Academic literature on the topic 'Rice plot'
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Journal articles on the topic "Rice plot"
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Ge, Ji, Hong Zhang, Wenjiang Huang, et al. "Plot-Rice v1.0: A global plot-based rice benchmark dataset with spatiotemporal heterogeneity for scientific deep learning." International Journal of Applied Earth Observation and Geoinformation 140 (June 2025): 104569. https://doi.org/10.1016/j.jag.2025.104569.
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Anigbogu, N. M. "Weed meal from a rice plot for broiler chicks." International Rice Research Notes 24, no. 2 (1999): 40. https://doi.org/10.5281/zenodo.7001928.
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This article 'Weed meal from a rice plot for broiler chicks' appeared in the International Rice Research Notes series, created by the International Rice Research Institute (IRRI) to expedite communication among scientists concerned with the development of improved technology for rice and rice-based systems. The series is a mechanism to help scientists keep each other informed of current rice research findings. The concise scientific notes are meant to encourage rice scientists to communicate with one another to obtain details on the research reported.
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Wagle, Pramod, Bisheshwar Prasad Yadav, Santosh Rasaily, Sovika Bhattarai, and Biplav Dahal. "Effect of Different Mulching Materials on Leaf Spot Disease of Groundnut." International Journal of Applied Sciences and Biotechnology 11, no. 1 (2023): 37–41. http://dx.doi.org/10.3126/ijasbt.v11i1.53708.
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A study was conducted in summer season of 2020 and 2021 to evaluate the effect of different mulching materials on late leaf spot disease of groundnut caused by Phaeoisariopsis personata (Berk. & Curt.) v. Arx at Oilseed Research Program, Sarlahi, Nepal. The experiment was laid out in randomized complete block design (RCBD) with 7 treatments viz. rice husk, rice straw, black polythene sheet, Lantana camara, living mulch, sawdust and control in three replications with fertilizer dose 20:40:20 NPK kg per hectare. The disease was scored in 1-9 scale and severity and AUDPC was calculated. In 2020, Lantana camara mulched plot showed significantly the lowest disease severity and the lowest AUDPC value (66.67% and 1556) followed by rice husk (70.37% and 1556) and black plastic (70.37% and 1611) mulched plot. Similarly in 2021, Lantana camara mulched plot showed significantly lowest disease severity and the lowest AUDPC value (62.96% and 1500) followed by rice husk (66.67% and 1574) and black plastic (66.67% and 1574) mulched plot. Significantly the highest pod yield was obtained in rice husk mulched plot (2.35 t/ha in 2020 and 2.07 t/ha in 2021) followed by living mulch treated plot (2.13 t/ha in 2020 and 1.84 t/ha in 2021). The highest disease severity (81.4% same as rice straw and saw dust mulched plot) with highest AUDPC value (1981) was observed in plot with no mulch during 2020 where as in 2021, the highest disease severity (77.78 same as plot with no mulch) with highest AUDPC value (1889) was observed in rice straw mulched plot. This study shows that organic mulches like rice husk could be better option for reducing disease severity with better yield in groundnut.
 Int. J. Appl. Sci. Biotechnol. Vol 11(1): 37-41.
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Kurnia, Nyemas Heny, Wasian Wasian, and Iwan Sasli. "PENGARUH PEMUPUKAN FOSFAT DAN KALIUM TERHADAP PERTUMBUHAN DAN HASIL GABAH PADI HITAM DI SAWAH TADAH HUJAN." Jurnal Teknologi Pangan dan Industri Perkebunan (LIPIDA) 1, no. 1 (2021): 31–39. http://dx.doi.org/10.58466/lipida.v1i1.99.
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Black rice (Oriza sativa.L) is one of the local varieties that has a high anthocyanin content within the pericarp layer of the seed, which contains nutritions that are important to health. Local black rice seed frequently empty with grain, caused by ineffective manure, especially potassium and phosphate. Utilization of rainfed areas for black rice cultivation can be done with balanced fertilization. This study aims to determine the effect of phosphate and potassium fertilization on the growth and production of black rice grain in rainfed areas. The study used a Completely Randomized Design (CRD) model with two factors, i.e KCl fertilizer factor consisting of four levels namely k0 without treatment, k1 = 20 g / plot, k2 = 40 g / plot, k3 = 60g / plot and the second factor was phosphate consisting of the four levels, i.e p0 without treatment, p1 = 20 g / plot, p2 = 40 g / plot, p3 = 60g / plot. Each treatment was repeated three times so that there were 48 experimental plot units. The results showed that there was an interaction between the treatments on the weight of 1000 grains while the application of potassium fertilizer significantly affected the number of productive tillers, harvested unhusked rice, milled unhusked rice and the weight of 1000 grains. The application of phosphate fertilizer only significantly affected the number of productive tillers with recommended doses 40g / plot because it gives a higher yield compared to the others in the number of 17.95 productive tillers Keywords: Black Rice, Potassium, Phosphate.
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Singhavara, Montri, Kamoltip Panyasit, and Sakkarin Nonthapot. "Planning rice cultivation in a large plot agricultural system." Decision Science Letters 11, no. 1 (2022): 11–20. http://dx.doi.org/10.5267/j.dsl.2021.10.003.
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This research aimed to study the approach of the community toward the decision to grow rice and economic crops, including appropriate resource allocation for use on a farm under a large plot agricultural system. The study areas were in Phan district, Chiang Rai province, Thailand, and the data were collected from a sampling of 400 field agriculturalists. The method used was to develop a mathematical model for growing crops with multi-objectives and in multi-periods, together with an agriculturist representative and experts in multiple-criteria decision-making (MCDM). This was to prioritize the importance of alternative crops and find the appropriate allocation of the resources to achieve the targeted goal. The results showed that agriculturists prioritized most toward the criteria for growing Japanese rice with a weight of 0.179 Kg., followed by transplanted rice, transplanted glutinous rice, garlic, sown paddy rice, and sown glutinous paddy rice, respectively. The study’s results also showed that the price fluctuation of the crop products resulted in more use of land and labor in order to increase the production to compensate for the low price, and this also resulted in the higher opportunity cost of growing transplanted rice. Therefore, growing transplanted rice during in season planting was considered the most effective way, while during the off season, either garlic or Japanese rice could be grown. A collective pattern for planning for using resources together in large plot agricultural areas, together with a clear marketing target would bring about effective use of the resources and reduce the risk in revenue from the fluctuation in prices and uncertainty of yields from drought. Moreover, technology development to solve the problem of the lack of labor would be deemed an important approach toward the enhancement of the competitiveness of agriculturists in the future as well.
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Sahur, Asmiaty, Amir Yassi, Elkawakib Syam’un, et al. "Effect of Methanotroph Bacteria Isolated from Paddy Rice Plant (Oryza sativa L.) on Growth and Yield Components of Rice." International Journal of Agronomy 2022 (August 2, 2022): 1–5. http://dx.doi.org/10.1155/2022/9639326.
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The present study was initiated to determine whether isolates from soil and roots of paddy plants can affect the paddy plant’s growth and productivity. The study was conducted to answer the question, “Can paddy rice be grown when the NPK doze is reduced?” This study aims to apply the methanotroph bacteria on the growth and production of lowland rice. The research field was carried out in the rice fields of Amparita Village, TelluLimpoe District, Sidenreng Rappang Regency, South Sulawesi. This research was conducted from June to September 2020. The plants were arranged in a split plot Randomized Complete Block Design (RCBD), the main plot, namely, the NPK fertilizer dosage treatment (P) with 4 treatments, namely, without NPK fertilizer, 75 g/plot, 150 g/plot, and 360 g/plot. The subplots were methanotroph bacteria application with 4 treatments, namely: without bacteria, 106 CFU per ml of methanotroph, 107 CFU per ml of methanotroph, and 108 CFU per ml of methanotroph. The results showed that there was an interaction between the NPK fertilizer and methanotrophic bacteria. The best results were obtained on the combination of 360 g per plot of NPK fertilizer and methanotrophic bacteria with 106 CFU per ml on the observation of plant height (111.17 cm), and the combination of NPK fertilizer 0 g per plot and methanotrophic bacteria with 0 CFU per ml on the observation of fresh weight of grain was the highest (70.44 g), whereas the combination of NPK fertilizer treatment 360 g/plot and bacteria methanotroph 0 CFU per ml on the observation of dry weight of grain was 43.89 g. NPK fertilizer 360 g/plot and bacteria methanotroph 106 CFU per ml at an observation weight of 100 grains was the highest number (3.53 g).
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Takakai, Fumiaki, Masahiro Kobayashi, Takashi Sato, Kentaro Yasuda, and Yoshihiro Kaneta. "Effects of Forage Rice Cultivation on Carbon and Greenhouse Gas Balances in a Rice Paddy Field." Atmosphere 9, no. 12 (2018): 504. http://dx.doi.org/10.3390/atmos9120504.
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The effects of conversion from staple rice to forage rice on carbon and greenhouse gas (GHG) balances in a paddy field were evaluated. A staple rice plot without the application of livestock manure compost (LMC, S − M plot) and forage rice plots with and without the application of LMC, derived mainly from cattle (2 kg−FW m−2, F + M and F − M plots, respectively), were established. CH4 and N2O fluxes and CO2 flux from a bare soil plot for organic matter decomposition (OMD) were measured. The carbon budget was calculated by subtracting the OMD, CH4 emission, and harvested grain and straw (forage rice only) from the net primary production and LMC. The net GHG balance was calculated by integrating them as CO2 equivalents. There were no significant differences in GHG flux among the plots. Compared to the carbon loss in the S − M plot, the loss increased by harvesting straw and was mitigated by LMC application. The net GHG emission in the F + M plot was significantly lower than that in other plots (1.78 and 2.63−2.77 kg CO2-eq m−2 year−1, respectively). There is a possibility that GHG emissions could be suppressed by forage rice cultivation with the application of LMC.
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Mahendra, Mahendra, Farah Diana, Dini Islama, and Citra Dina Febrina. "Growth Giant Prawns (Macrobracium Rosenbergii) With Different Stock Densities On The Minapadi System." International Journal of Science, Technology & Management 2, no. 5 (2021): 1560–65. http://dx.doi.org/10.46729/ijstm.v2i5.329.
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Minapadi is a fish rearing system in rice fields that is carried out with rice plants. This study aims to increase the income of farmers with high productivity of rice yields and increase the production of giant prawns. The method used is a Completely Randomized Design (CRD) experiment with 3 treatments and 3 replications. The treatments were: P1 = stocking density of 100 birds/plot, P2 = stocking density of 200 birds/plot, P3 = stocking density of 300 birds/plot. This research was conducted for 90 days. Parameters observed were rice productivity and growth. The results showed that the best treatment was P2 = stocking density of 200 birds/plot. by producing an average value of rice productivity of 5 kg/50 m2 and an average value of growth of giant prawns of 4.72%.
 
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Liu, Hui. "Methane Flux from a Subtropical Rice Field." E3S Web of Conferences 118 (2019): 01052. http://dx.doi.org/10.1051/e3sconf/201911801052.
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It has been confirmed that rice fields contribute a lot to atmospheric methane. The object of this research was to analyse the diurnal changes of CH4 fluxes from a rice field in southern subtropical China in early rice season. The measuring device was a modification of a closed static chamber and gas chromatography. Samples of CH4 were collected from treatments with rice crop plot and bare soil plot at the same time. The results indicated that there are two peaks of variation in diurnal CH4 emissions during the growing season of rice. The average CH4 fluxes in the field appeared in the order of maturity stage (1.96 ± 0.33), booting stage (0.13 ± 0.01) and post-harvest stage (-0.01 ± 0.02) (mg·m-2·h-1). At booting stage, average flux of CH4 was much higher in the plot with rice plants than that of bare soil plot (p<0.01). Soil temperature had no significant effect on CH4 emissions at any stage in this study. The results showed that soil moisture and rice plants significantly affected CH4 flux in rice field.
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Oben, B. O., A. F. Narika, M. A. Arrey, J. Ebobenow, and M. P. Oben. "Boosting fish production in Cameroon: Incorporated fish-rice farming versus earthen pond fish culture in Buea, Mount Cameroon region." Tropical Freshwater Biology 29, no. 2 (2021): 1–20. http://dx.doi.org/10.4314/tfb.v29i2.1.
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Wetland incorporated fish-rice farming (FRF) is a possible solution to the problem of high costs of fish feeds in aquaculture in Cameroon. For 12 weeks, at the University of the Buea (UB) the growth of the fish, Clarias gariepinus in concurrent culture with rice (Oryza sativa, L.) in two rice plots (rice plot 1 and rice plot 2stocking sites) in the University of Buea wetland and in two earthen ponds (fish pond 1 and fish pond 2stocking sites) fed compounded diet at 5% body weight was investigated. Physico-chemical water quality parameters of all the fish culture sites were monitored. Mean fish weight gain was significantly higher (P<0.01) in the wetland rice plots (329.21±44.35g) than in the two earthen ponds (30.01±2.84g). Apart from low mean dissolved oxygen values in the rice plot 1 (3.14±1.19 mg/L) and rice plot 2 (2.18±0.23 mg/L), mean values for physico-chemical water quality parameters were within recommended ranges for C. gariepinus growth in all the four culture sites. This FRF experiment proved a better practice in fish growth than the conventional earthen pond culture in Buea, Cameroon. Its adoption by local fish farmers is recommended.
 Keywords: Wetland integrated fish-rice farming, C gariepinus, earthen pond culture, and fishpond.
Dissertations / Theses on the topic "Rice plot"
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Oliveira, Lucas Mafaldo. "Paid?ia e ret?rica no di?logo Fedro de Plat?o." Universidade Federal do Rio Grande do Norte, 2010. http://repositorio.ufrn.br:8080/jspui/handle/123456789/16465.
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Previous issue date: 2010-03-18<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>This study presents a study on Plato's Phaedrus , with the purpose of discussing the possibility of interpreting this dialogue as a discussion on the greek notion of paideia.. We believe to find evidence to support this claim both in the cultural background of the dialogue and in its text. As background evidence, we point to the fact that Rhetoric had become the major disciplined studied in Athens in Plato's time, largely because democratic instituitions favored its practice. As text evidence, we point out that the story of the Phaedrus can be read as the story of how Socrates leads Phaedrus's soul toward philosophy. Therefore, we believe that Plato's main goal with this dialogue is to discuss Rhetoric and present the philosophical perspective on the possibility of an art of speechmaking. In order to achieve this, Plato presents an analyses of current Rhetoric, explains his conception of dialectic, and debate the relation between extemporaneous and written
speech. We believe that all those elements serve the larger purpose of providing the background to discuss the cultural education of the Athenians<br>Essa disserta??o descreve um estudo realizado sobre o di?logo Fedro de Plat?o, com o objetivo de apresentar uma interpreta??o do mesmo a partir da hip?tese de que esse
di?logo pode ser lido como uma reflex?o sobre a quest?o da paid?ia. Encontramos ind?cios para justificar essa leitura tanto no contexto cultural da ?poca do di?logo como na pr?pria narrativa do texto. Em rela??o ao contexto cultural, observamos que a ret?rica se tornara a principal disciplina na forma??o dos atenienses, em grande parte por causa das institui??es democr?ticas que favoreciam esse tipo de pr?tica. Em rela??o ? narrativa, observamos que essa ?, em larga medida, a hist?ria de como S?crates guia a alma deFedro para a filosofia. Desse modo, consideramos que o objetivo central de Plat?o ? problematizar essa disciplina e apresentar a perspectiva filos?fica sobre a possibilidade de uma arte dos discursos. Para isso, Plat?o faz uma an?lise da ret?rica, uma apresenta??o da dial?tica e discute a rela??o entre oralidade e escrita. Consideramos que todos esses elementos ganham sentido na medida em que servem para pensar a forma??o cultural dos
atenienses
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Landeiro, Reyes Eugenio. "Suitable Locations for Reference Plots Based on the Nitrogen Suffiency Index (NSI)." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31821.
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Nitrogen (N) is critical to the quantity and quality of agricultural yields. Excess N fertilization is costly, both economically and environmentally (nitrate leaching, eutrophication, greenhouse gas release, soil degradation). This research identifies zones that could substitute the field-long N-rich strips by using spatial analysis of the nitrogen sufficiency index (NSI) and the relation with Apparent Electrical Conductivity (ECa), Elevation, Slope and Soil. NSI calculated from ECa grouped into three classes was capable of minimizing the effects on NDVI. Correlation coefficients (R) between three-class NSI and NSI calculated from the nearest ECA values were very high for all the fields with values between 0.82< R <0.94, with the highest coefficients associated with fields in 2005 and 2007. Meanwhile, three-class NSI coefficients were consistently significant in relation to the NSI reference, with an average of R=0.79 for all the fields. The highest coefficient was detected for 2007, with R=0.89, whereas the lowest values were associated with 2006 (R=0.67). In the case of elevation grouped into four classes, the correlation results were not statistically significant, with overall average values of R<0.70. The maps elaborated from the NSI for ECa grouped into three classes show a high level of accuracy compared to the NSI reference map. The new N-rich zones not only can contribute to mitigating the environmental impact of agricultural practices (reducing 77% of N inputs) but also be an accurate source of data for the analysis of NSI and within-field N variability.
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Hogan, James Aaron. "Revisiting the Relative Roles of Land-Use and the Environment in Subtropical Wet Forest| 21-years of Dynamics from the Luquillo Forest Dynamics Plot, Puerto Rico." Thesis, University of Puerto Rico, Rio Piedras (Puerto Rico), 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1595301.
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<p> The Luquillo Forest Dynamics Plot (LFDP) has played a critical role in the initial discovery and subsequent investigation of many processes that govern tropical island wet forest dynamics. Previous work has identified past land use as the main factor in creating forest community compositional and structural differences across the plot. The responses of different species to past land-use intensity and to hurricane disturbances have created an evolving forest mosaic ideal for studying tropical forest successional dynamics. I revisited the interaction of land-use legacies and natural disturbance in the LFDP with new data and new approaches, with the motivation to reveal new information about the relative roles of anthropogenic disturbance and environmental-niche partitioning on tropical plant communities over time. </p><p> In the context of tropical forests and their successional dynamics, I asked how succession resulting from a history of human land use and more recent hurricanes interacts with background environmental variation to effect community structure and diversity. Community dynamics, in terms of forest structure and composition, were summarized over a twenty-one year period, noticing a decreasing trend in species richness over time and structural maturation of the forest, shown by a decline in small stems (trees < 10 cm diameter) as it recovered from the compound effect of two major hurricane disturbances – Hugo, 1989 and Georges, 1998. We evaluate the magnitude of past human land use effects over time and define indicator species for areas of differing land-use pressure within the 16-Ha permanent LFDP. Using redundancy analysis, plant community-environmental relationships with respect to soils and topography are quantified. Spatial variables, computed using a principle coordinates of neighborhood matrix, explained the majority of the variability in plant community composition between areas of high and low past land-use within the LFDP, meaning environmental differences (e.g. niche differentiation among tree species) were found to be secondary to land-use legacies in determining forest community composition. </p><p> Over two decades, the effect of past land-use peaked about 15-years following the first of two hurricanes, and remained relative stable over time. Despite damaging the forest, hurricanes preserved community differences in species composition and reinforced structural asymmetries due primarily to two species; <i> Dacryodes excels</i> Vahl., a dominant primary forest tree species, and <i> Casearia arborea</i> (Rich.) Urb., an abundant secondary forest species. Abiotic environmental factors (e.g. soil resources and topographic variation) were weak at explaining differences in forest community composition. Plant community-environmental relationships were stronger in more anthropogenically-disturbed areas, suggesting long-term effects of land use on tropical forest communities on current community dynamics.</p>
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Brisbane, Sean C. "CLEO-c D- K0 S/L*+*- Binned Dalitz-Plot analyses optimised for the CKM angle y measurement and the commisioning of the LHCb RICH front-end electronics." Thesis, University of Oxford, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.540129.
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Matte, L. Teresa. "Fedro: Plat?n desde el campo, un paseo por la ret?rica, el juego de la escritura y la memoria." Tesis, Universidad de Chile, 2010. http://repositorio.uchile.cl/handle/2250/109946.
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Informe de Seminario para optar al grado de Licenciado en Filosof?a<br>Extracto de Introducci?n: Los escritos de Plat?n han hecho un largo recorrido antes de llegar a nosotros. Diferente destino de los de su disc?pulo Arist?teles, tutor de Alejandro Magno, el macedonio cuyo padre inici? el imperio de su hijo con la ca?da de Atenas. Los escritos de ? El Fil?sofo ? somo lo llamaron los escol?sticos pasaron a Occidente, Imperio Romano mediante, cruzando el griego y sobreviviendo profusamente en lat?n durante toda la Edad Media. Los de Plat?n, en cambio encontraron refugio y se encapsularon en Constantinopla. Los estudiosos de occidente ten?an acceso limitado a las fuentes de la filosof?a griega antigua. En el Imperio Bizantino, sin embargo, Plat?n continuaba vivo en su propia lengua e incluso casi 18 siglos despu?s de su muerte, encontr? un seguidor y tan fiel disc?pulo, Georgius Gemistos, que hasta tom? el nombre de su maestro y se puso Pleth?n y cuando en 1438, Constantinopla amenzada por las incursiones otomanas, encomienda a Gemistos-Pleth?n, reconocido por sus conocimientos y respetado por su sabidur?a, viajar a Florencia para discutir los t?rminos de una posible reconciliaci?n teol?gica entre las iglesias griega y latina, Pleth?n encuentra el momento para explicar a un grupo de florentinos las diferencias entre Palt?n y Arist?teles. Asist?an a estas lecciones entre otros, C?simo de Medici y Marsilio Ficino. Pocos a?os m?s tarde se fundaba la Academia Plat?nica con Ficino como su primer director y traductor de los di?logos de Plat?n.
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Bezerra, J?nior Mauricio Alves. "A ambiguidade do discurso ret?rico: caminhos e descaminhos da persuas?o (Peith?) como instrumento para a filosofia no G?rgias, de Plat?o." PROGRAMA DE P?S-GRADUA??O EM FILOSOFIA, 2016. https://repositorio.ufrn.br/jspui/handle/123456789/22596.
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Previous issue date: 2016-12-15<br>Esta disserta??o apresenta um estudo sobre o di?logo G?rgias, de Plat?o, interpretandoque essa obra ? uma reflex?o sobre a cr?tica plat?nica ? ret?rica sof?stica, desenvolvendoa ideia de que ela ? empeiria, produtora de lisonja (???????????). Encontramos elementos amb?guos que revelam que, apesar de criticar a persuas?o (?????), S?crates a reconhece como um requisito essencial para conduzir oelenchos(???????). No di?logo, S?crates v?-se diante de tr?s interlocutores, G?rgias, Polo e C?cicles. Este ?ltimo sendo o seu algoz principal. Reconhecemos o di?logo em seu contexto hist?rico-cultural, visto que a Ret?rica, e seu elemento de persuas?o, eram insumos constitutivos da cultura grega. Consideramos que o intuito de Plat?o ? repensar os elementos ret?ricos e persuasivos dos sofistas a fim de alhures, expor a ?verdadeira ret?rica?, ou seja, a Filosofia. Para isso, Plat?o faz uma an?lise da ret?rica persuasiva, colocando frente ao seu mestre um expoente da sof?stica, G?rgias; e procura desvelar suaarte (?????). Contudo, apesar de podermos reconhecer nele os elementos necess?rios, o di?logo finaliza sem di?logo, uma vez que n?o h? persuas?ode nenhumdos lados. Consideramos que todos esses pontos ser?o relevantes para compreendermos a persuas?o (?????) como um dos elementos basilares na oralidade grega e da dial?tica plat?nica.<br>This essay presents a study about the Gorgiasdialogue, by Plato, expounding that this piece is a reflection on the Platonic criticism to sophist Rhetoric, developing the idea that it is empeiria, producer of flattery (???????????). We find ambiguous elements that show that despite criticizing persuasion (?????), Socrates recognizes it as an essential requisite to conduct the elenchos (???????). In the dialogue, Socrates sees himself before three interlocutors, Gorgias, Polo and Callicles. The latter being his one chief tormentor. We acknowledge the dialogue in its historical-cultural context, since Rhetoric and its element of persuasion were Greek culture's constitutive inputs. We consider that Plato's intent is to rethink the sophists rhetorical and persuasive elements in order to expose the "true rhetoric", that it, Philosophy. For this, Plato makes an analysis of the persuasive rhetoric, placing before his master an exponent of the sophistry, Gorgias; and seeks to unveil its art (?????). However, although we can recognize in it the necessary elements, the dialogue ends without a dialogue, since there is no persuasion on either sides. We consider that all these points will be relevant to understand persuasion (?????) as one of the basic elements of Greek orality and Platonic dialectics.
Books on the topic "Rice plot"
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Hager, Kelly. Dickens and the rise of divorce: The failed-marriage plot and the novel tradition. Ashgate, 2010.
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Engle, Erica. An internship on the Loquillo Forest Dynamics Plot: Working on the "big grid" : Luquillo Experimental Forest Long-Term Ecological Research Program, Institute for Tropical Ecosystem Studies at the University of Puerto Rico, Rio Piedras, Puerto Rico. Huxley College of the Environment, Western Washington University, 2002.
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Smith, Jennifer. Anne Rice. Greenwood, 1996. http://dx.doi.org/10.5040/9798400613166.
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Anne Rice's fame rests on her supernatural tales, but she is far more than a horror novelist. She goes beyond the genre by changing the classic horror stories into myths, fairy tales, and nightmares in order to explore philosophical questions of life, death, evil, and the meaning of existence. This is the most up-to-date analysis of her work and includes individual chapters on each of her vampire, witch, and mummy novels, including her most recent,Memnoch the Devil(1995). A perfect companion for students and Anne Rice fans, this study also features a biographical chapter and a chapter which discusses her use of the supernatural, horror, and fantasy genres. Smith shows how Rice's five vampire novels interweave to form a complete mythology, a layered universe with its own history and rules, in which her characters act out the question of what it means to be human in an increasingly inhuman world. In the three Witches Chronicles, Smith shows how Rice explores the meaning of power, sexuality, family, and womanhood in the 20th century. Each novel is examined in a separate chapter with subsections on point of view, plot, character, theme, and literary device. Each novel is also examined from an alternative critical approach, such as psychological, myth, and feminist criticism, which offers the reader an alternative perspective from which to read the novel. A complete bibliography of Rice's work, general criticism and biographical sources, and listings of reviews of each novel complete the work. For fans and students, this is the perfect companion to Anne Rice's fiction and is a necessary purchase by secondary school and public libraries.
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Miller, John MacNeill. Ecological Plot: How Stories Gave Rise to a Science. University of Virginia Press, 2024.
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Rich, David, and Harry Rich. Rich Brothers - Love Your Plot: Gardens Inspired by Nature. Penguin Random House, 2017.
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Miller, John MacNeill. Ecological Plot: How Stories Gave Rise to a Science. University of Virginia Press, 2024.
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Rich, betrayed and lonely: Reconstruction of the international plot against Equatorial Guinea. PREG Publications, 2011.
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Hager, Kelly. Dickens and the Rise of Divorce: The Failed-Marriage Plot and the Novel Tradition. Taylor & Francis Group, 2016.
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Hager, Kelly. Dickens and the Rise of Divorce: The Failed-Marriage Plot and the Novel Tradition. Taylor & Francis Group, 2016.
Find full textBook chapters on the topic "Rice plot"
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Drame, Mariama, Seydina Moussa Ndiaye, and Moussa Lo. "Agricultural and Land Management Using AI: A Case Study of Rice Plot Identification in Senegal." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-86493-3_24.
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Kilgour, Maggie. "From Here to Here: Radcliffe's Plot of Female Development." In The Rise of the Gothic Novel. Routledge, 2021. http://dx.doi.org/10.4324/9781315003276-11.
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Lee, Michael Parrish. "Chapter 2 The Rise of the Food Plot in Victorian Fiction." In The Food Plot in the Nineteenth-Century British Novel. Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/978-1-137-49938-7_3.
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Dannreuther, Roland. "The Final Rise and Fall of a Relationship: 1986–91." In The Soviet Union and the PLO. Palgrave Macmillan UK, 1998. http://dx.doi.org/10.1007/978-1-349-26216-8_8.
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Papaioannou, Sophia. "Chapter 16. Kidnapping in the ancient novels." In The Reality of Women in the Universe of the Ancient Novel. John Benjamins Publishing Company, 2023. http://dx.doi.org/10.1075/ivitra.40.16pap.
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Kidnapping is an essential component of Ancient novel narrative because it is a major force behind the development of the plot. Additionally, kidnapping enables the author to experiment with travelling as a literary mechanism to signify transition (kidnapping initiates travelling which allows for convenient transition points, and supplies closures and openings to narrative units), but also to employ travelling as an allegory for soul-/identitysearching, as a means to trace characterization and as a rite of passage onto maturity.
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Matsuura, Eri, and Nobuo Sakagami. "Climate Change and Crop Management in Indonesia." In Interlocal Adaptations to Climate Change in East and Southeast Asia. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-81207-2_15.
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AbstractRice is a daily staple for the most of Indonesian people, and rice consumption has increased every year as the population has increased (Suryani et al. 2016). Climate change has severely affected rice production by increasing minimum temperatures and changing rainfall patterns. The decline in rice yield due climate change could threaten national food security over the long term. To maintain the food self-supporting rate and support farmers, new technologies for adapting to climate change in farming systems are needed. Asia-Pacific Climate Change Adaptation Information Platform (AP-PLAT) (2020) reported that the Indonesian government published the National Action Plan for Climate Change Adaptation (Rencana Aksi Nasional Adaptasi Perubahan Iklim or RAN-API) in 2014, and the Ministry of the Environment of Japan (MOEJ) and the Ministry of National Development Planning, Indonesia (BAPPENAS) are cooperating to assess the impact of climate change for local adaptation planning in the Republic of Indonesia.
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Samejima, Hiromitsu, Motoko S. Fujita, and Ahmad Muhammad. "Impact of Industrial Tree Plantation on Ground-Dwelling Mammals and Birds in a Peat Swamp Forest in Sumatra." In Global Environmental Studies. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0906-3_4.
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AbstractPeat swamp forests are one of the unique ecosystems of Southeast Asia. These forests are not only a large carbon stock, but also a refuge for rich biodiversity. To understand the faunal composition and the effect of land-use changes in peat swamp forests, we investigated ground-dwelling mammals and birds using camera traps in a natural peat swamp forest and acacia forests planted in two industrial tree plantations in the Giam Siak Kecil-Bukit Batu Biosphere Reserve, Riau, Indonesia, in the Island of Sumatra.We obtained a total of 1856 records, comprising 23 species and including 11 vulnerable or endangered species, in ten plots. The range of mean trapping rates (number of records per 100 camera working days) of all animals in each plot in natural peat swamp forests were 9.22–51.85 (mean: 29.16) and 8.75–31.76 (16.42) in the wildlife reserve and protected area of the plantations respectively. The range in planted acacia forest was 2.29–6.38 (4.02). Few species were recorded in the planted acacia forests, and the species composition was different from that in the natural peat swamp forests. These differences indicate that conversion from natural peat swamp forests to planted acacia forest through development of industrial tree plantations resulting in decreased density and species richness of ground-dwelling mammals and birds. Because the ground-dwelling mammal and bird community in natural peat swamp forest is vulnerable to land use change, conservation of the remnant natural peat swamp forests and appropriate landscape design of industrial tree plantations are considered important to maintain the ecosystem.
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Zhang, Ze, and Zhengwang Wu. "A Sunlight Duration Time Driven Multi-objective Optimization Method for the Layout of High-Rise Residential Quarters Based on NSGA2 Algorithm." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-8637-6_12.
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AbstractExtending sunlight duration time by optimizing the layout of the high-rise residential quarters during the early design stage is one of the most effective approaches to reducing carbon emissions. This paper proposes a multi-objective optimization method for high-rise residential quarter layout based on the NSGA2 algorithm. The method is aimed to maximize the first floor’s sunlight duration time and its uniformity both. A simulated plot in Xiamen is taken as an example for multi-objective optimization. After the optimization, the layouts are analyzed and the better one is selected. The results show that the proposed method can achieve higher overall sunlight duration and its uniformity rate and maximize floor area ratio in the early design phase. However, the proposed method has its drawbacks. This method requires the pre-design of the building plan. The algorithm generates a lot of invalid solutions during the optimization. The optimization time increases dramatically with the quantity increase of input parameters. According to the above, there is still room for improvement in the proposed method.
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Massey, Richard, Logan T. Berner, Adrianna C. Foster, Scott J. Goetz, and Udayalakshmi Vepakomma. "Remote Sensing Tools for Monitoring Forests and Tracking Their Dynamics." In Advances in Global Change Research. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15988-6_26.
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AbstractRemote sensing augments field data and facilitates foresight required for forest management by providing spatial and temporal observations of forest characteristics at landscape and regional scales. Statistical and machine-learning models derived from plot-level field observations can be extrapolated to larger areas using remote sensing data. For example, instruments such as light detection and ranging (LiDAR) and hyperspectral sensors are frequently used to quantify forest characteristics at the stand to landscape level. Moreover, multispectral imagery and synthetic aperture radar (SAR) data sets derived from satellite platforms can be used to extrapolate forest resource models to large regions. The combination of novel remote sensing technologies, expanding computing capabilities, and emerging geospatial methods ensures a data-rich environment for effective strategic, tactical, and operational planning and monitoring in forest resource management.
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Yan, Li. "Impact of Building Type Selection on Environmental Ventilation Effects in Residential Communities." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-8401-1_41.
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AbstractThe selection of residential building types generally considers the economic benefits of land space utilization or the control of plot ratio by higher-level planning for current land utilization, with less consideration for the impact of buildings on the environment, especially the ventilation and heat dissipation of the site. In this study, three commonly used building forms, small-sized villa buildings, multi-story buildings commonly used in old communities, and high-rise buildings commonly selected in most residential areas, were chosen as research objects. The numerical simulation of wind field changes in residential areas was conducted using computational fluid dynamics (CFD) method. The conclusion drawn is that under the same climatic background, different building forms have a significant impact on the ventilation of the environmental space, and higher building heights have a significant strengthening effect on the surrounding wind environment.High-rise buildings can achieve an average wind speed increase compared to the original area Above 50%.On the sides parallel to the incoming wind direction, there will be obvious areas of increased wind speed, and with the increase of building height, the area of increased wind speed also increases.The maximum can be expanded to 3 times the original wind speed or more.On the leeward side of the building, there will be a more obvious area of air stagnation, and the lower the building height and the smaller the volume, the larger the area of air stagnation.
Conference papers on the topic "Rice plot"
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Astridevi, Zahir Zainuddin, and Ady Wahyudi Paundu. "Rice Growth Phase Detection in Rice Field Plots Using Drone Imagery." In 2024 19th International Joint Symposium on Artificial Intelligence and Natural Language Processing (iSAI-NLP). IEEE, 2024. https://doi.org/10.1109/isai-nlp64410.2024.10799305.
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Bavarian, Bezad, Lisa Reiner, and Chong Yeob Kim. "Corrosion Protection of Steel Rebar in Concrete by Migrating Corrosion Inhibitors." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03364.
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Abstract Laboratory evaluations were performed to determine the effectiveness of migrating corrosion inhibitor (MCI) for reinforced concrete. In this study, concrete densities and application methods were compared. Bode and Nyquist plots showed high resistance polarization resistance values for concrete treated with inhibitor. XPS analysis verified the presence of MCI and chloride molecules on the steel rebar surfaces, and XPS depth profiling showed a 100 nm amine-rich layer (inhibitor) and chloride ions on the rebar confirming that MCI had migrated through the concrete coverage to suppress chloride ions corrosiveness. In regard to how MCI is applied, directly to the rebar, by surface impregnation, or in a mortar coating, the effects were not apparent in the monitored corrosion potentials, bode and Nyquist plots for the samples. Additional data is required to make any conclusion about the effectiveness of an application method. At this time, the inhibitor coated rebar samples show the highest polarization resistance.
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Nasrazadani, S., and K. Raeissi. "Comparison of Four Slurry Coatings for Oxidation Resistance of a Low Alloy Steel." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02368.
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Abstract Four different types of slurry coatings namely CASS, ALCP, Borax, and BLCP were developed to improve high temperature resistance of an alloy steel containing 0.33%C, 0.28%Si, 0.38% Mn, 1.355%Mo, and 2.9% Ni (all wt %). Coated samples were oxidized in air at temperatures of 700, 900, and 1100 °C. Oxidation kinetics of the coated samples were evaluated and plots of kp vs 1/T or coated samples were compared with that of bare steel. Results indicate that samples coated with CASS performed better than the other three types of coatings in temperature range of 700-900 °C for up to 10 hours. Formation of Na2Al2O4 on scale surface and a Si-rich phase in the body of scale is believed to reduce the oxidation rate of the alloy steel. Samples coated with Borax were resistive to high temperature oxidation up to 900 °C only. Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), and X-ray Diffraction (XRD) analysis were performed and results are presented.
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Charpentier, Thibaut V. J., Rose Lehman, and Andre Leontieff. "Development of a Tool to Track the Fraction of Injected Water in Produced Water Streams." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19130.
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Abstract Waterflooding is an important method for improving oil recovery, it consists of injecting water into selected injector wells to displace the oil to the surrounding producer wells while maintaining reservoir pressure. When water breaks through to the producer however, this secondary recovery technique can cause some production problems. A particular issue is mineral scale formation resulting from the mixing of incompatible brines. An example is barite precipitation following the mixing of barium rich formation water with an injection water high in sulphate. Accurately predicting the fraction of injection water being produced is therefore of paramount importance to accurately predict mineral scale formation and prevent its damaging effect on productivity. This paper will describe a newly developed in-house computer program to track and analyze injection water fractions in produced wells and discusses its impact on mineral scale prediction and management. The computer tool is used to study produced water profiles from two oil fields located in the North Sea and in the Gulf of Mexico. The benefits and drawback of ions commonly employed (i.e., chloride) to track injection water breakthrough are reviewed and compared against a “reactive ion” methodology developed FAST project at Heriot-Watt University. The results of the current study show that the reactive ion methodology was particularly effective at tracking low injection water fractions even when the raw data has a high noise-to-signal ratio. Further analysis reveals how plots that highlight the ion concentration deviate from their expected value, which can be used to monitor geochemical reactions taking place in the reservoir, as well as evaluate the efficiency of scale inhibitor squeeze treatment and help production chemists plan their scale management program more effectively.
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Kalpoma, Kazi A., Anik Chowdhury, Nowshin Nawar Arony, Mehjabin Nowshin, and Jun-ichi Kudoh. "New Modis Vegetation Index for Boro Rice Model Using 3d Plot And K-NN: Bangladesh Haor Region Perspective." In IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019. http://dx.doi.org/10.1109/igarss.2019.8898950.
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Yang, Qi, Liangsheng Shi, and Lin Lin. "Plot-scale rice grain yield estimation using UAV-based remotely sensed images via CNN with time-invariant deep features decomposition." In IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2019. http://dx.doi.org/10.1109/igarss.2019.8898061.
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Whitson, Curtis Hays, Bilal Younus, and Markus Hays Nielsen. "Separator Sample Analysis and Calculating Wellstream Composition." In Asia Pacific Unconventional Resources Symposium. SPE, 2023. http://dx.doi.org/10.2118/217328-ms.
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Abstract This paper discusses the use of separator gas and separator oil samples as the primary method used in tight unconventional wells. Separator samples provide direct measurement of surface product compositions and properties, but they are primarily used in the calculation of wellstream composition. Our discussion encompasses a comprehensive and quantitative QC and correction of separator sample compositions, also providing improved accuracy in the estimation of wellstream composition, both for conventional and tight unconventional wells. The standard QC of separator sample compositions assumes that the samples collected should represent equilibrium gas and oil phases at conditions of pressure and temperature in the separator at the time of sampling. The Hoffman-Crump-Hocott method plots the log of component K-value and separator pressure log(Kpsp) versus a component factor F. The Hoffman "KpF" plot should result in a linear trend, with deviations from the linear trend indicating that the sampled phases are not in equilibrium. The problem with this QC method is that it does not provide a method to correct erroneous separator sample compositions. Our paper presents such a correction method for separator gas, separator oil, and wellstream compositions. The proposed method uses the lab-reported wellstream composition based on the sampled gas and oil separator compositions using a recombination ratio computed from the separator gas-oil ratio at the time of sampling, and separator oil molar volume. This wellstream composition is flashed with K-values applicable at separator temperature and pressure, e.g. from the Standing correlation using a Rachford-Rice phase split calculation, or doing a flash with an appropriate equation of state. The resulting flash calculation provides corrected separator gas and separator oil compositions that are more accurate than lab-reported separator gas and oil compositions, and can be used to calculate a corrected wellstream composition using the lab-reported recombination ratio. We have studied the utility of this method for a wide range of wellstream mixtures, separator conditions, and the four potential sources of errors in separator samples: (1) leakage during transportation to the laboratory, (2) samples being collected at different times when pressure-temperature conditions differ for the gas and oil samples, (3) liquid carryover in the separator gas and gas carryover in the separator oil, and (4) gas chromatography errors in laboratory compositional measurements. We show that the proposed method of correcting separator gas, separator oil, and wellstream compositions are accurate for all fluid types and errors that may be found in separator sampling. The approach is consistent with, but not dependent on, the Hoffman KpF method. The method does require K-value estimates at separator conditions, but this is almost always available from the Standing correlation (often used in connection with the Hoffman KpF QC plot) or an available EOS model.
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Ding, Wowo, Ruoyao Li, and Lian Tang. "Evaluation of Generating Mechanism of Residential Building Patterns in Contemporary Cities – Case Study on Xi’an and Nanjing." In 24th ISUF 2017 - City and Territory in the Globalization Age. Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/isuf2017.2017.5920.
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Ruoyao Li, Lian Tang, Wowo DingNanjing University School of Architecture and Urban Planning, Nanjing University, Nanjing, Jiangsu, 200093, ChinaE-mail: lilyhehua@163.com, tanglian@nju.edu.cn, dww@nju.edu.cnTelephone number:+86 13675149161,+86 13770849401,+86 25 83593020 Keywords: residential building pattern, generating mechanism, living behavior, floor area ratio, sunshine regulations Residential area occupies a large portion of urban land, so it is very important to understand the characteristics of the residential building patterns and how such patterns, normally parallel multi-story and high-rise slab apartments in various cities of China, are formed. The residential building patterns are according to the living behavior, climate consideration, environmental requirement and market demands. Our previous studies have shown that sunshine regulation is by far the most important factor in the generation of the residential building pattern since 1980. This paper attempts to make a comprehensive evaluation to see the generating mechanism of the residential morphological patterns. Ten residential plots from two cities located in different climate zones of Xi’an and Nanjing are evaluated. Five factors, namely, the type of the apartment, plot FAR, land coverage, sunshine regulations and spatial characteristics of plot pattern, will be used as comprehensive evaluation indicators in the comparison. The study reveals how these factors interplay in the generation of the observed plot patterns and which factor is most important in this process. If the sunshine regulations were the key factor, how different the plot patterns in different climate zones and latitudes would have varied. Through evaluating generating mechanism we could find out the key generating factors, which is useful as the references for design. References Standard for Assessment Parameters of Sunlight on Building (GB/T 50947-2014) Code for Design of Residential Buildings (GB 50096-2011) Quan Liu, Wowo Ding(2014) Morphological Study on the Unit of Urban Fabric of Contemporary Residential Plots in Yangtze River Delta, China Lina Zhang, Wowo Ding(2014) Density, Height Limitation, and Plot Pattern: Quantitative Description of the Residential Plots, Nanjing, China Jintang Chen, Sheng Yao, Yinsheng Tian (2014) Experiences from Researches about Residential Areas Employing Conzenian Approach
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Vovk, Vyacheslav. "LAND PLOT AS AN OBJECT OF PRIVATE PROPERTY RIGHTS." In Current problems of jurisprudence. Publishing Center RIOR, 2020. http://dx.doi.org/10.29039/02032-6/059-063.
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Russia is a resource-rich country, and great changes are being made today in order that land and its resources are used for the benefit of any citizen of our state. Under the circumstances government supervision (control) over the optimal use of territories gets the essential role. The rights that are contained in land reform give owners, landowners, land users, and employers extensive powers concerning independent land management.
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Steel, Kyle, Charisma Clarke, Edwar Romero-Ramirez, and Gerardo Carbajal. "Experimental and Computational Analysis of Additively Manufactured Nonlinear Springs for Verification of a Predictive Model." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-96160.
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Abstract A System of Arbitrary General Equations, SAGE, is a new mathematical description technique for modeling generic nonlinear systems with similar ease to linear approximation techniques but capturing data normally only obtainable through intensive nonlinear solving techniques. In this study, SAGE predicts the frequency response of fifteen manufactured nonlinear harmonic mechanical systems, categorized as an eccentric rotor system, and a horizontal pendulum system, all sprung with double spiral torsional springs additively manufactured in PLA, chosen for its nonlinear stress-strain material properties, with solid concentric, hollow, aligned rectilinear, honeycomb, and gyroid infill patterns, chosen to introduce a nonuniform spring geometry. Nonuniform spring geometries and nonlinear material properties give rise to nonlinear spring rates. The nonlinear harmonic mechanical systems are subjected to a cyclic forcing equation sweeping the frequency range of 0 Hz to 2 Hz to obtain a frequency response plot. ANSYS Multiphysics Engineering Simulation software was used to plot the frequency responses of the nonlinear harmonic mechanical systems modeled as a double spiral torsion spring attached to a point mass representing the properties of the physical system. The ANSYS, SAGE, and experimentally obtained frequency response plots are compared to demonstrate the ability of the developed model to display nonlinear behaviors effectively.
Reports on the topic "Rice plot"
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Policy Support Activity, Myanmar Agriculture. Agricultural mechanization services, rice productivity, and farm/plot size: Insights from Myanmar. International Food Policy Research Institute, 2023. http://dx.doi.org/10.2499/p15738coll2.136706.
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Boyle, M., and M. Boyle. Terrestrial vegetation monitoring at Canaveral National Seashore: 2022 data summary?version 1.1. National Park Service, 2024. http://dx.doi.org/10.36967/2305810.
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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Canaveral National Seashore lies within the Southern Coastal Plain ecoregion of Florida. The distribution and composition of vegetation communities within the park are largely determined by former land-use patterns, climate influences, as well as by localized edaphic conditions. Stressors and threats to vegetation resources are present within the park, many of which are related to large-scale land-use changes of the 19th and 20th centuries and rapidly changing climate patterns and sea-level rise. Other threats to the vegetation resources of Canaveral National Seashore include fire exclusion, feral hogs, and competition from invasive non-native vegetation. 2022 marked the first year of conducting this monitoring effort at Canaveral National Seashore. Fourteen vegetation plots were established throughout the park in April. Data collected in each plot included species richness across multiple spatial scales, species-specific cover and constancy, species-specific woody stem seedling/sapling counts and adult tree diameter at breast height (DBH), overall tree health, landform, soil, observed disturbance, and woody biomass estimates. Plot locations were stratified across two land parcels of the park (Apollo Beach and Oak Hill) and across two dominant broadly defined habitats: Maritime Upland Forests and Shrublands and Coastal Plain Upland Open Woodlands. One hundred seventy-six vascular plant taxa were detected during this monitoring effort, including eight taxa not detected in previous lists.
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Khalil, Lydia, Mark Duckworth, and Nell Bennett. Countering Extermism in a State of Emergency. Centre for Resilient and Inclusive Societies, 2025. https://doi.org/10.56311/mrsa7532.
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In Australia as elsewhere, violent extremist actors have exploited and instrumentalised a contested information environment during concurrent crises in 2020-2021 – including the COVID pandemic and natural disasters like the recent bushfires – to mobilise, plot and commit violent attacks, oppose government emergency responses and challenge or undermine social cohesion. Crises of this nature are likely to persist in one form or another; alongside evidence that natural disasters are on the rise (UN/CRED, 2020), there has been an equally unprecedented spread of misinformation and disinformation and contestation of the cause and origins of these crises (Cinelli, M., Quattrociocchi, W., Galeazzi, A., 2020) that will likely persist. Previous research findings have demonstrated that natural disasters like bushfires, hurricanes, earthquakes and pandemics have the potential to act as push factors to violence (Berrebi & Oswald, 2011; Fisher & Dugan, 2019; Kang and Skidmore 2018). However, little is currently known about how natural disasters can impact violent extremism in the Australian context and in other high GDP countries. The relationship between the potential for conflict and natural disasters and emergencies is largely unaccounted for in disaster and emergency management (DEM) plans within advanced economies and consolidated democracies. Understanding exactly how natural disasters and emergencies can provide fodder for violent extremist groups and contribute to a mobilisation to violence will remain important into the future.
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Mueller, C., S. J. Piercey, M. G. Babechuk, and D. Copeland. Stratigraphy and lithogeochemistry of rocks from the Nugget Pond Deposit area, Baie Verte Peninsula, Newfoundland. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328989.
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Stratigraphic and lithogeochemical data were collected from selected drill core from the Nugget Pond gold deposit in the Betts Cove area, Newfoundland. The stratigraphy consists of a lower unit of basaltic rocks that are massive to pillowed (Mount Misery Formation). This is overlain by sedimentary rocks of the Scrape Point Formation that consist of lower unit of turbiditic siltstone and hematitic cherts/iron formations (the Nugget Pond member); the unit locally has a volcaniclastic rich-unit at its base and grades upwards into finer grained volcaniclastic/turbiditic rocks. This is capped by basaltic rocks of the Scrape Point Formation that contain pillowed and massive mafic flows that are distinctively plagioclase porphyritic to glomeroporphyritic. The mafic rocks of the Mount Misery Formation have island arc tholeiitic affinities, whereas Scrape Point Formation mafic rocks have normal mid-ocean ridge (N-MORB) to backarc basin basalt (BABB) affinities. One sample of the latter formation has a calc-alkalic affinity. All of these geochemical features are consistent with results and conclusions from previous workers in the area. Clastic sedimentary rocks and Fe-rich sedimentary rocks of the Scrape Point Formation have features consistent with derivation from local, juvenile sources (i.e., intra-basinal mafic rocks). The Scrape Point Formation sedimentary rocks with the highest Fe/Al ratios, inferred to have greatest amount of hydrothermally derived Fe, have positive Ce anomalies on Post-Archean Australian Shale (PAAS)-normalized trace element plots. These features are consistent with having formed via hydrothermal venting into an anoxic/ sub-oxic water column. Further work is needed to test whether these redox features are a localized feature (i.e., restricted basin) or a widespread feature of the late Cambrian-early Ordovician Iapetus Ocean, as well as to delineate the role that these Fe-rich sedimentary rocks have played in the localization of gold mineralization within the Nugget Pond deposit.
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Kidder, J. A., M. B. McClenaghan, M I Leybourne, et al. Geochemical data for stream and groundwaters around the Casino Cu-Au-Mo porphyry deposit, Yukon (NTS 115 J/10 and 115 J/15). Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328862.
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This open file reports geochemical data for stream and groundwater samples collected around the Casino porphyry Cu-Au-Mo deposit, one of the largest and highest-grade deposits of its kind in Canada. The calc-alkaline porphyry is hosted in a Late Cretaceous quartz monzonite and associated breccias in the unglaciated region of west central Yukon. Water chemistry around the deposit was investigated because: (i) the deposit has not yet been disturbed by mining; (ii) the deposit was known to have metal-rich waters in local streams; and (iii) the deposit has atypically preserved ore zones. Stream water samples were collected at 22 sites and groundwater samples were collected from eight sites. Surface and groundwaters around the Casino deposit are anomalous with respect to Cd (up to 5.4 µg/L), Co (up to 64 µg/L), Cu (up to 1657 µg/L), Mo (up to 25 µg/L), As (up to 17 µg/L), Re (up to 0.7 µg/L), and Zn (up to 354 µg/L) concentrations. The stable isotopes of O and H of the groundwaters are essentially identical to the surface waters and plot close to the local and global meteoric water lines, indicating that the waters represent modern recharge, consistent with the generally low salinities of all the waters (total dissolved solids range from 98 to 1320 mg/L). Sulfur and Sr isotopes are consistent with proximal waters interacting with the Casino rocks and mineralization; a sulfide-rich bedrock sample from the deposit has delta-34S = -1.2 permille and proximal groundwaters are only slightly heavier (-0.3 to 3.1 permille). These geochemical and isotopic results indicate that surface water geochemistry is a suitable medium for mineral exploration for porphyry-style mineralization in the Yukon, and similar unglaciated regions in Canada. The atypical geochemical signature (Mo, Se, Re, As, Cu) of these types of deposits are typically reflected in the water chemistry and S isotopes provide a more local vectoring tool.
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Scanlan, E. J., M. Leybourne, D. Layton-Matthews, A. Voinot, and N. van Wagoner. Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328994.
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Several sedimentary exhalative (SEDEX) deposits have alkaline magmatism that is temporally and spatially associated to mineralization. This report outlines interim data from a study of potential linkages between magmatism and SEDEX mineralization in the Selwyn Basin, Yukon. This region is an ideal study site due to the close spatial and temporal relationships between SEDEX deposits and magmatism, particularly in the MacMillan Pass, where volcanic rocks have been drilled with mineralization at the Boundary deposit. Alkaline volcanic samples were analysed from the Anvil District, MacMillan Pass, Keno-Mayo and the Misty Creek Embayment in the Selwyn Basin to characterise volcanism and examine the relationship to mineralization. Textural and field relationships indicate a volatile-rich explosive eruptive volcanic system in the MacMillan Pass region in comparison to the Anvil District, which is typically effusive in nature. High proportions of calcite and ankerite in comparison to other minerals are present in the MacMillan system. Cathodoluminescence imaging reveals zoning and carbonate that displays different luminescent colours within the same sample, likely indicating multiple generations of carbonate precipitation. Barium contents are enriched in volcanic rocks throughout the Selwyn Basin, which is predominately hosted by hyalophane with rare barite and barytocalcite. Thallium is positively correlated with Ba, Rb, Cs, Mo, As, Sb and the calcite-chlorite-pyrite index and is negatively correlated with Cu. Anvil District samples display a trend towards depleted mid-ocean ridge mantle on a plot of Ce/Tl versus Th/Rb. Hydrothermal alteration has likely led to the removal of Tl from volcanic rocks in the region. Ongoing research involves: i) the analysis of Sr, Nd, Pb and Tl isotopes of volcanic samples; ii) differentiating magmatic from hydrothermal carbonate using O, C and Sr isotopes; iii) examining sources of Ba in the Selwyn Basin; iv) and constraining age relationships through U-Th-Pb geochronology.
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Mendelsohn, Mark, John Tiszler, and Tarja Sagar. Vegetation monitoring in the Santa Monica Mountains and Simi Hills region: 2014?2020 annual report. National Park Service, 2023. http://dx.doi.org/10.36967/2300992.
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Our Inventory & Monitoring team surveyed over 200 Terrestrial Native Vegetation Monitoring Plots in the Santa Monica Mountains and Simi Hills (SAMO) Region over the first seven years of this program?s history, 2014?2020. During this period, the park experienced a large wildfire in 2013 followed by historic drought, and then in 2018 the largest wildfire in the region?s recorded history, succeeded by well-timed rainfall. The goal of this monitoring program is to detect and understand the nature of vegetation change, for example in drought or post-fire environments, providing a knowledge base for developing effective management strategies. Our metrics include vegetation cover, species richness, shrub/tree abundance, survival, and recruitment. In general, SAMO experienced widescale native shrub dieback during the extended drought. Dry shrublands that subsequently burned to the ground in 2018 converted into a rich and widespread green-up with the substantial rains received in 2019, producing a very diverse assemblage of wildflowers (including many fire followers not seen in many years) and a strong recruitment of our native shrubs via resprouting and seedlings into 2020 across most of the park?s more pristine areas. We documented post-fire expansions in several populations of the federally endangered Braunton?s milkvetch. Non-native herbaceous species such as mustards dominated previously disturbed lands and expanded their coverage following the 2018 wildfire. The data we collected will be available for advancing the science of fire ecology, and informing future park management and interpretation programs.
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Steffenson, B. J., I. Mayrose, Gary J. Muehlbauer, and A. Sharon. ing and comparative sequence analysis of powdery mildew and leaf rust resistance gene complements in wild barley. United States-Israel Binational Agricultural Research and Development Fund, 2021. http://dx.doi.org/10.32747/2021.8134173.bard.
Full textAbstract:
Our overall, long-term goal is to exploit the genetic diversity present in cereal wild relatives for the development of cultivars with durable disease resistance. Our specific objectives for this proposal were to: 1) Utilize Association Genetics Resistance Gene Enrichment Sequencing (AgRenSeq) to identify and clone powdery mildew and leaf rust resistance gene complements in wild barley and 2) Conduct comparative sequence analyses of the cloned resistance genes to elucidate the basis of their specificity and evolution. The deployment of resistant cultivars is the most effective, economically efficient, and environmentally sound means of controlling plant diseases, especially in small grain cereals. The systems selected for study in this proposal are barley (Hordeum vulgare ssp. vulgare, Hvv), its wild progenitor (Hordeum vulgare ssp. spontaneum, Hvs) and the powdery mildew (Blumeria graminis f. sp. hordei, Bgs) and leaf rust (Puccinia hordei, Ph) pathogens. We compiled a diverse panel of Hvs accessions (the Wild Barley Diversity Collection or WBDC; N = 314) from across its native range and evaluated it to 40 isolates of Bgs and 12 isolates of Ph. We obtained genomic DNA sequences enriched for Nucleotide Binding Site-Leucine Rich Repeat (NLR) type resistance genes for 203 WBDC accessions, plus cultivar Morex for which the first reference genome sequence of barley was based. We assembled the 250 bp Illumina sequencing reads into contigs using CLC assembly cell. From this effort, we successfully assembled the sequences of 201 WBDC accessions plus Morex and used NLR Parser to identify contigs containing NLR genes. AgRenSeq was then used to identify k-mers (short oligonucleotide sequences of length k) that were associated with resistance to each isolate of the two pathogens. This analysis was performed individually for all WBDC accessions and each individual pathogen race (9,898 host accession x pathogen race combinations). We visualized the results from these analyses in Manhattan plots and identified 311 and 144 peaks for powdery mildew and leaf rust resistance, respectively. The next step in the analysis was to identify the contigs associated with the peaks in the Manhattan plots. BLAST (Basic Local Alignment Search Tool) searches were employed to identify closely related contigs in other WBDC accessions or in Morex. We identified two candidate R genes that were only present in resistant WBDC accessions. One of these was present in seven WBDC lines and was associated with resistance to four leaf rust isolates. BLAST analysis of this gene revealed that it was Rph15, one of the most widely effective leaf rust resistance genes reported in Hordeum. This gene was cloned and functionally validated in association with our Australian colleagues (Cheng et al., 2021). We are currently in the process of cloning six of other resistance genes: four for powdery mildew and two for leaf rust. As the contigs do not contain much of the promoter sequences, we have employed a genome walking approach to identify 2,500 bp of promoter sequence. To speed up and simplify the cloning of resistance genes from the WBDC, the PI established the International Wild Barley Sequencing Consortium (IWBSC; https://iwbsc.umn.edu/) comprised of over 60 researchers from 14 different countries and raised over $150,000 through crowdfunding to pay for 10X depth sequence coverage. Genome-wide association study (GWAS) of whole genome sequencing (WGS) data identified extremely strong and clear signals of association for several resistance genes which will facilitate gene cloning in concert with a wild barley pan-genome currently under construction. The cloning of multiple resistance gene can facilitate the development of durably resistant cultivars by inserting, through transgenesis, cassettes of multiple resistance genes.
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Lacerda Silva, P., G. R. Chalmers, A. M. M. Bustin, and R. M. Bustin. Gas geochemistry and the origins of H2S in the Montney Formation. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329794.
Full textAbstract:
The geology of the Montney Formation and the geochemistry of its produced fluids, including nonhydrocarbon gases such as hydrogen sulfide were investigated for both Alberta and BC play areas. Key parameters for understanding a complex petroleum system like the Montney play include changes in thickness, depth of burial, mass balance calculations, timing and magnitudes of paleotemperature exposure, as well as kerogen concentration and types to determine the distribution of hydrocarbon composition, H2S concentrations and CO2 concentrations. Results show that there is first-, second- and third- order variations in the maturation patterns that impact the hydrocarbon composition. Isomer ratio calculations for butane and propane, in combination with excess methane estimation from produced fluids, are powerful tools to highlight effects of migration in the hydrocarbon distribution. The present-day distribution of hydrocarbons is a result of fluid mixing between hydrocarbons generated in-situ with shorter-chained hydrocarbons (i.e., methane) migrated from deeper, more mature areas proximal to the deformation front, along structural elements like the Fort St. John Graben, as well as through areas of lithology with higher permeability. The BC Montney play appears to have hydrocarbon composition that reflects a larger contribution from in-situ generation, while the Montney play in Alberta has a higher proportion of its hydrocarbon volumes from migrated hydrocarbons. Hydrogen sulphide is observed to be laterally discontinuous and found in discrete zones or pockets. The locations of higher concentrations of hydrogen sulphide do not align with the sulphate-rich facies of the Charlie Lake Formation but can be seen to underlie areas of higher sulphate ion concentrations in the formation water. There is some alignment between CO2 and H2S, particularly south of Dawson Creek; however, the cross-plot of CO2 and H2S illustrates some deviation away from any correlation and there must be other processes at play (i.e., decomposition of kerogen or carbonate dissolution). The sources of sulphur in the produced H2S were investigated through isotopic analyses coupled with scanning electron microscopy, energy dispersive spectroscopy, and mineralogy by X-ray diffraction. The Montney Formation in BC can contain small discrete amounts of sulphur in the form of anhydrite as shown by XRD and SEM-EDX results. Sulphur isotopic analyses indicate that the most likely source of sulphur is from Triassic rocks, in particular, the Charlie Lake Formation, due to its close proximity, its high concentration of anhydrite (18-42%), and the evidence that dissolved sulphate ions migrated within the groundwater in fractures and transported anhydrite into the Halfway Formation and into the Montney Formation. The isotopic signature shows the sulphur isotopic ratio of the anhydrite in the Montney Formation is in the same range as the sulphur within the H2S gas and is a lighter ratio than what is found in Devonian anhydrite and H2S gas. This integrated study contributes to a better understanding of the hydrocarbon system for enhancing the efficiency of and optimizing the planning of drilling and production operations. Operators in BC should include mapping of the Charlie Lake evaporites and structural elements, three-dimensional seismic and sulphate ion concentrations in the connate water, when planning wells, in order to reduce the risk of encountering unexpected souring.