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Journal articles on the topic 'Acacia Effect of temperature on'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Bodnár, István. "Simulation of acacia gasification process." Analecta Technica Szegedinensia 14, no. 1 (2020): 24–33. http://dx.doi.org/10.14232/analecta.2020.1.24-33.

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This electronic document presents the thermokinetical modelling of the gasification process done on acacia-tree with variable operating conditions and different humidity levels. Gasification does not produce flue gas, but due to imperfect burning, synthesis gas appears which is rich in flammable components (CO2 and H2). The chemical structure of this gas depends on the components of the fuel and the humidity level, but greatly affected by the technological parameters too, such as pressure and temperature, as well as the air-ratio. The study shows the change in the amount of the fuel and the re

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2

Herrero, Celia, Amelework Kassa, Valentín Pando, Felipe Bravo, and Ricardo Alía. "Effect of heat shock on the germination of seeds of the species Acacia senegal L. and Acacia seyal Del. from sub-Saharan Africa (Ethiopia)." Forest Systems 28, no. 2 (2019): e006. http://dx.doi.org/10.5424/fs/2019282-14227.

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Aim of the study: Understanding post-fire germination of tree species in arid and semi-arid zones of sub-Saharan Africa.Area of study: Ethiopian Acacia senegal L. and Acacia seyal Del. forests.Material and methods: Seeds were subjected to heat shocks at combinations of four temperatures (60º, 90º, 120º and 150ºC) and three exposure times (1, 5 and 10 minutes). A control was also included, resulting in a total of thirteen treatments. After the application of the heat shocks, the viability of no germinated seeds was assessed after immersion in a Tetrazolium solution. A mixed and a logistic model

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3

Bellairs, SM, and DT Bell. "Temperature Effects on the Seed-Germination of 10 Kwongan Species From Eneabba, Western-Australia." Australian Journal of Botany 38, no. 5 (1990): 451. http://dx.doi.org/10.1071/bt9900451.

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The germination responses of 10 species (Acacia blakelyi, A. pulchella, Allocasuarina humilis, Beaufortia elegans, Conostylis neocymosa, Eucalyptus tetragona, Kennedia prostrata, Leptospermum spinescens, Melaleuca acerosa and Xanthorrhoea drummondii) to constant temperatures ranging from 5 to 35� C were studied. These Western Australian perennial species had optimum germination percentages between 15 and 20�C, except Eucalyptus tetragona which had an optimum at 25�C and Leptospermum spinescens which had an optimum at 10�C. Seeds were transferred from high and low temperatures to 15�C to determ

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4

Wright, Boyd R., and Peter J. Clarke. "Germination biologies and seedbank dynamics of Acacia shrubs in the Western Desert: implications for fire season impacts on recruitment." Australian Journal of Botany 66, no. 3 (2018): 278. http://dx.doi.org/10.1071/bt18003.

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In arid Australia, fires in different seasons often result in markedly different recruitment rates of woody plants, and this can have important and long-lasting impacts on post-fire community structure and composition. The current study investigated ecological mechanisms behind this effect in four widespread arid Acacia species: Acacia aptaneura, Maslin & J.E.Reid Acacia kempeana F.Muell., Acacia maitlandii F.Muell. and Acacia melleodora Pedley. Specifically, the study examined whether increased recruitment after summer compared with winter burning relates to (1) higher soil temperatures d

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5

Arsad, Effendi. "SIFAT FISIK DAN KIMIA WOOD PELLET DARI LIMBAH INDUSTRI PERKAYUAN SEBAGAI SUMBER ENERGI ALTERNATIF." Jurnal Riset Industri Hasil Hutan 6, no. 1 (2014): 1. http://dx.doi.org/10.24111/jrihh.v6i1.1219.

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Carakteristic physical and chemistry of Wood pellet from Industrial Disposal of Wood as Sources Energy Alternatif The research to gaved for physical and chemistry of Wood pellet from Industrial. Processing approximately 12%, sawdust dried to moisture content of sieved that is size of 15 mesh, 25 mesh and 35 mesh. Heating temperature were 60 0C and 110 0C. Moisture content of flawer wood pellet 4,46% - 9,95%, acacia wood pellet were 4.38% - 7.52% and tarap wood pellet were 4.60% - 9.98%. Density of flawer wood pellet were 0.51 - 0.78, acacia wood pellet were 0.61 - 0.78 and tarap wood pellet we

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6

Martin, Chris A., L. Brooke McDowell, and Shiela Bhattacharya. "Below Ground Pot-in-Pot Effects on Growth of Two Southwest Landscape Trees was Related to Root Membrane Thermostability." Journal of Environmental Horticulture 17, no. 2 (1999): 63–68. http://dx.doi.org/10.24266/0738-2898-17.2.63.

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Abstract Two southwestern desert landscape trees, Acacia smallii L. (sweet acacia) and Cercidium floridum Benth. ex A. Gray (blue palo verde), were grown outdoors in full sun during Summer 1997 in 19-liter (#5) containers placed either pot-in-pot (PIP) below ground or unshielded in above-ground containers (AGC). Soil moisture sensors wired to electronic solenoid valves regulated occurrence of six cyclic micro-irrigation pulses per day (0600, 0900, 1200, 1500, 1800, and 2100 HR) such that container substrate moisture tensions were continuously maintained between −0.005 to −0.01 MPa (90% of wate

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7

Quyen, Trinh Van, and Nagy Sándor. "AGGLOMERATION OF ACACIA MANGIUM BIOMASS." Vietnam Journal of Science and Technology 56, no. 2 (2018): 198. http://dx.doi.org/10.15625/2525-2518/56/2/9293.

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The aim of this study is to analyze the effects of temperature (T), moisture content (MC) and particle size (x) on Acacia mangium biomass and also to find the optimal conditions of the densification process for producing tablet with high density. The result shows that at constant pressure, increasing temperature (T) resulted in higher density of tablets and also increasing moisture content resulted in higher density of tables. Tablets made from raw material with smaller particle size have lower strength than those made from material with larger particle size.

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8

Maccioni, Alfredo, Andrea Santo, Danilo Falconieri, et al. "Inhibitory effect of rosemary essential oil, loaded in liposomes, on seed germination of Acacia saligna, an invasive species in Mediterranean ecosystems." Botany 97, no. 5 (2019): 283–91. http://dx.doi.org/10.1139/cjb-2018-0212.

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Acacia saligna (Labill.) Wendl. is native of southwestern Australia, but has been planted extensively in many areas of the world, including the Mediterranean region, becoming highly invasive especially in coastal habitats. The aim of this study was to test whether the indigenous Rosmarinus officinalis L. essential oil (EO), loaded in liposomes, can inhibit the seed germination of the invasive alien Acacia saligna. Variability in seed germination requirements and responses among populations were evaluated. Germination tests under light, at constant temperatures and three concentrations of rosem

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9

Rodrigues, Lucas Oliveira, Rachel Andrade de Faria, Marcos Martins Gouvêa, Carlos Augusto de Freitas Peregrino, Elizabeth Valverde Macedo, and Samanta Cardozo Mourão. "Effect of spray drying process parameters on Uncaria tomentosa (Willd. ex Schult.) DC. dried extracts." Revista Fitos 14, no. 4 (2020): 469–75. http://dx.doi.org/10.32712/2446-4775.2020.969.

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Uncaria tomentosa (Willd. ex Schult.) DC. (Cat's claw) is a plant member of the Rubiaceae family, from the Amazon region, and used in traditional medicine as raw material for phytomedicines indicated for arthritis and osteoarthritis. This study aimed to evaluate the spray drying process parameters on the properties of different extracts obtained from Uncaria tomentosa. A reduced 24-1 multifactorial design was applied to evaluate the importance of the equipment variables (pump speed, spray nozzle diameter, air inlet temperature, and atomization airflow rate) in the process. Maltodextrin and aca

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10

Rodrigues, Lucas Oliveira, Rachel Andrade de Faria, Marcos Martins Gouvêa, Carlos Augusto de Freitas Peregrino, Elizabeth Valverde Macedo, and Samanta Cardozo Mourão. "Effect of spray drying process parameters on Uncaria tomentosa (Willd. ex Schult.) DC. dried extracts." Revista Fitos 14, no. 4 (2020): 469–75. http://dx.doi.org/10.32712/2446-4775.2020.969.

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Uncaria tomentosa (Willd. ex Schult.) DC. (Cat's claw) is a plant member of the Rubiaceae family, from the Amazon region, and used in traditional medicine as raw material for phytomedicines indicated for arthritis and osteoarthritis. This study aimed to evaluate the spray drying process parameters on the properties of different extracts obtained from Uncaria tomentosa. A reduced 24-1 multifactorial design was applied to evaluate the importance of the equipment variables (pump speed, spray nozzle diameter, air inlet temperature, and atomization airflow rate) in the process. Maltodextrin and aca

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11

Bodnár, István, Patrik Iski, and Ádám Skribanek. "Examination of Acacia-Tree Gasification Process Under Varying Operating Parameters." Műszaki Tudományos Közlemények 8, no. 1 (2018): 21–30. http://dx.doi.org/10.33894/mtk-2018.08.02.

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Abstract This paper presents the thermokinetic modeling of the gasification process performed on the acacia-tree under varying operating circumstances and different humidity levels. Gasification does not produce flue gas, but due to imperfect burning, synthesis gas appears which is rich in flammable components (CO2 and H2). The chemical structure of this gas depends on the components of the fuel and the humidity level, but is also greatly affected by the technological parameters, such as pressure and temperature, as well as the air-ratio. The study shows the change of chemical composition, fue

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12

YADAV, SWATI, and ALKA SHARMA. "EFFECT OF TEMPERATURE ON PROTECTIVE PROPENSITY OF ACACIA NILOTICA ON ACID CORROSION OF COPPER." Review Of Research II, no. VII (2013): 1–12. http://dx.doi.org/10.9780/2249-894x/272013/284.

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13

Yu, Hua, and Bee-Lian Ong. "The Effect of Phyllode Temperature on Gas Exchange and Chlorophyll Fluorescence of Acacia mangium." Photosynthetica 40, no. 4 (2002): 635–39. http://dx.doi.org/10.1023/a:1024328808629.

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14

Fraser, S., A. R. McTaggart, M. J. Wingfield, and J. Roux. "Effect of temperature, leaf wetness and the developmental stage of host tissue on infection of Acacia mearnsii by Uromycladium acaciae (Pucciniales)." Australasian Plant Pathology 46, no. 5 (2017): 407–19. http://dx.doi.org/10.1007/s13313-017-0503-2.

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15

Sedgley, M. "Some Effects of Temperature and Light on Floral Initiation and Development in Acacia pycnantha." Functional Plant Biology 12, no. 2 (1985): 109. http://dx.doi.org/10.1071/pp9850109.

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Floral initiation and development in Acacia pycnantha were studied under three environments. Two had ambient southern Australian temperatures of warm summer (mean max. 32°C, mean min. 16°C) and cool winter (mean max. 19°C, mean min. 8°C), one with full sunlight (outside) and the other with 30% light intensity (shadehouse). The other environment (glasshouse) had slightly lower than normal light intensity and a relatively constant year round temperature of mean 28°C maximum and 16°C minimum. Plants were scored for microscopic and macroscopic evidence of floral initiation and development. Floral

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16

Getahun, Alemayehu, Diriba Muleta, Fassil Assefa, and Solomon Kiros. "Plant Growth-Promoting Rhizobacteria Isolated from Degraded Habitat Enhance Drought Tolerance of Acacia (Acacia abyssinica Hochst. ex Benth.) Seedlings." International Journal of Microbiology 2020 (October 29, 2020): 1–13. http://dx.doi.org/10.1155/2020/8897998.

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Drought stress (DS) is the most impacting global phenomenon affecting the ecological balance of a particular habitat. The search for potential plant growth-promoting rhizobacteria (PGPR) capable of enhancing plant tolerance to drought stress is needed. Thus, this study was initiated to evaluate the effect of inoculating Acacia abyssinica seedlings with PGPR isolated from rhizosphere soil of Ethiopia to enhance DS tolerance. The strains were selected based on in vitro assays associated with tolerance to drought and other beneficial traits such as salinity, acidity, temperature, heavy metal tole

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17

Semple, K. E., R. B. Cunningham, and P. D. Evans. "Cement Hydration Tests Using Wood Flour may not Predict the Suitability of Acacia mangium and Eucalyptus pellita for the Manufacture of Wood-Wool Cement Boards." Holzforschung 53, no. 3 (1999): 327–32. http://dx.doi.org/10.1515/hf.1999.053.

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Summary Wood-wool cement boards (WWCBs) are manufactured in many tropical countries which have extensive eucalypt and acacia plantations. Wood from such plantations could act as a potential raw material for WWCBs, but the suitability of most tropical eucalypts and acacias for the manufacture of such products is unknown. This study was undertaken to assess whether the standard laboratory test for wood-cement compatibility, which measures heat of hydration in wood flour-cement mixtures, is an appropriate method for screening tropical eucalypts and acacias for their compatibility with cement and

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18

Reichman, S. M., S. M. Bellairs, and D. R. Mulligan. "The effects of temperature and salinity on Acacia harpophylla (brigalow) (Mimosaceae) germination." Rangeland Journal 28, no. 2 (2006): 175. http://dx.doi.org/10.1071/rj06027.

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Acacia harpophylla F. Muell. (brigalow) used to naturally occur over a range of about 50 000 km2 in Queensland and New South Wales, Australia. Large scale clearing for agriculture has reduced the area to less than 20 000 km2 and it is estimated that 20–25% of vertebrate fauna living in brigalow communities will become locally extinct as a result of the current clearing induced loss of habitat. Some coal mining companies in central Queensland have become interested in providing habitat for the endangered bridle nail-tailed wallaby that lives in brigalow vegetation. However, there is little know

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19

Tuong, Vu Manh, and Jian Li. "Changes caused by heat treatment in chemical composition and some physical properties of acacia hybrid sapwood." Holzforschung 65, no. 1 (2011): 67–72. http://dx.doi.org/10.1515/hf.2010.118.

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Abstract Acacia hybrid (Acacia mangium×auriculiformis) sapwood was heat-treated in nitrogen under laboratory conditions for 2–6 h at 210°C–230°C. Chemical composition and physical properties including water absorption and swelling were examined. The results showed that these properties were reduced significantly by heat treatment, and there is an interactive effect of temperature and time on them. Chemical changes of the wood surface were determined by X-ray photo-electron spectroscopy analysis. Results indicate that the O/C ratio decreases as a function of treatment intensity due to the migra

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20

Beck-Pay, S. L. "The effect of temperature and relative humidity on Acacia mearnsii polyad viability and pollen tube development." South African Journal of Botany 83 (November 2012): 165–71. http://dx.doi.org/10.1016/j.sajb.2012.08.011.

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21

Emam, Hossam E., M. H. El-Rafie, Hanan B. Ahmed, and M. K. Zahran. "Room temperature synthesis of metallic nanosilver using acacia to impart durable biocidal effect on cotton fabrics." Fibers and Polymers 16, no. 8 (2015): 1676–87. http://dx.doi.org/10.1007/s12221-015-5197-x.

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22

Sivasubramanian, Palanisamy, Mayandi Kalimuthu, Murugesan Palaniappan, Azeez Alavudeen, Nagarajan Rajini, and Carlo Santulli. "Effect of Alkali Treatment on the Properties of Acacia Caesia Bark Fibres." Fibers 9, no. 8 (2021): 49. http://dx.doi.org/10.3390/fib9080049.

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As possible substitutes for non-biodegradable synthetic fibre, ligno-cellulosic fibres have attracted much interest for their eco-friendliness; a large number of them are already used for the production of green polymer composites. The search for further green candidates brings into focus other fibres not previously considered, yet part of other production systems, therefore available as by-products or refuse. The purpose of this study is to explore the potential of alkali treatment with 5% sodium hydroxide (NaOH) to enhance the properties of bark-extracted Acacia Caesia Bark (ACB) fibres. The

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23

Moreno-Casasola, Patricia, John Philip Grime, and M. Luisa Martínez. "A comparative study of the effects of fluctuations in temperature and moisture supply on hard coat dormancy in seeds of coastal tropical legumes in Mexico." Journal of Tropical Ecology 10, no. 1 (1994): 67–86. http://dx.doi.org/10.1017/s0266467400007720.

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ABSTRACTThe effect of fluctuations in temperature and moisture supply on hard seeds of nine tropical coastal sand dune legumes, including herbs (Schrankia atiadrivalvis, Macropiilium atropurpureum and Canavalia rosea), and shrubs (Acacia farncsiana, A. macracantha, Mimosa chaetocarpa, Indigoftra sujjruticosa, Crolalaria incana and Chamaecrista chamaecrutoides), has been studied under laboratory and field conditions. Using a fluctuating temperature gradient bar seeds buried in sand were exposed to various amplitudes of diurnal temperature fluctuation over an extended period of time and seed ger

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24

Mazlan, Mohammad Amir Firdaus, Yoshimitsu Uemura, Norridah Osman, and Suzana Yusup. "Review on Pyrolysis of Hardwood Residue to Biofuel." Applied Mechanics and Materials 625 (September 2014): 714–17. http://dx.doi.org/10.4028/www.scientific.net/amm.625.714.

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In Malaysia, approximately 7 million tonne/year of rubber wood waste and 5 million tonne/year of acacia wood waste were generated in 2011. These hardwood residues could be utilized to produce biofuel through pyrolysis process. The aims of the paper are to study the fluidized bed pyrolysis system, determine the properties of pyrolytic bio-oil, and highlight the effect of biomass type, size and pyrolysis temperature on pyrolytic products distribution.

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25

Fathanah, Umi, and Sofyana Sofyana. "Pembuatan Papan Partikel (Particle Board) dari Tandan Kosong Sawit dengan Perekat Kulit Akasia dan Gambir." Jurnal Rekayasa Kimia & Lingkungan 9, no. 3 (2013): 138. http://dx.doi.org/10.23955/rkl.v9i3.783.

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The need of wood as one of raw materials in furniture industry keeps increasing. One of efforts to reduce wood consumption is to develop research by creating composite design from material that contains sellulose to be particle board. Particle board is one of material alternatives that can be wood substitute. The objective of this research is to investigate the effect of natural-adhesive-mixture composition (acacia bark and gambier) with oil-palm-empty bunch toward mechanical property of particle board. Characterization of particle board was carried out by undertaking mechanical property testi

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Al-Mefarrej, Hamad A. "Cambial Activity in Acacia Tortilis Subsp. Tortilis is Highest During the Hottest and Driest Month." IAWA Journal 35, no. 2 (2014): 138–54. http://dx.doi.org/10.1163/22941932-00000055.

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This study, aimed at elucidating cambial activity and wood formation in Acacia tortilis subsp. tortilis growing in the dry region of Al Baha in Saudi Arabia, reveals that the vascular cambium was active for almost the whole year, producing phloem in two flushes (February to March and then June to August), and xylem for about 11 months. The maximum number of cell layers in the cambial zone (10–13) was observed during June at high temperature, high leaf water deficit and lowest relative humidity (52%) and rainfall. A close relationship existed between the emergence of new leaves and the initiati

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27

Paz-Kagan, Tarin, Micha Silver, Natalya Panov, and Arnon Karnieli. "Multispectral Approach for Identifying Invasive Plant Species Based on Flowering Phenology Characteristics." Remote Sensing 11, no. 8 (2019): 953. http://dx.doi.org/10.3390/rs11080953.

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Invasive plant species (IPS) are the second biggest threat to biodiversity after habitat loss. Since the spatial extent of IPS is essential for managing the invaded ecosystem, the current study aims at identifying and mapping the aggressive IPS of Acacia salicina and Acacia saligna, to understand better the key factors influencing their distribution in the coastal plain of Israel. This goal was achieved by integrating airborne-derived hyperspectral imaging and multispectral earth observation for creating species distribution maps. Hyperspectral data, in conjunction with high spatial resolution

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28

Mohamad Samsani, Aidi-Naim, Kiew Ooi Foong, Chee Keong Chen, and Mohamed Saat Ismail. "Effects of Acacia Honey Drink after Exercise-Induced Dehydration on Selected Physiological Parameters and Subsequent Running Performance." Sains Malaysiana 50, no. 8 (2021): 2293–308. http://dx.doi.org/10.17576/jsm-2021-5008-13.

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This study examined the effect of honey supplementation on exercise performance and biochemical markers in comparison to plain water and sports drink in the heat. Ten recreational athletes (Age: 22.2 ± 2.0 years, weight: 65.7 ± 5.3 kg; height: 170.4 ± 3.5 cm; VO2max: 51.5 ± 3.7 mL.kg−1.min−1) participated in this study. Participants ran at 70% of their VO2max for 1 h in a pre-load phase (Run-1), followed by a rehydration phase for 2 h and then a 20 min self-paced time trial (Run-2). After Run-1, participants drank either Acacia honey, sports drink or plain water with an amount equivalent to 15

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29

Welgama, Amali, Singarayer Florentine, Hélia Marchante, Muhammad Mansoor Javaid, and Christopher Turville. "The germination success of Acacia longifolia subsp. longifolia (Fabaceae): a comparison between its native and exotic ranges." Australian Journal of Botany 67, no. 5 (2019): 414. http://dx.doi.org/10.1071/bt19018.

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Acacia longifolia subsp. longifolia is native to South-eastern Australia and has naturalised in many regions across the globe, including in Portugal, Spain, and South Africa invading extensive areas. Prolific seed production and a long-lived seedbank are considered key factors that enhance its invasiveness. Yet, the effects of different factors on germination are still underexplored. Seeds were collected from Portuguese and Australian populations, and germination was evaluated under different temperature regimes, photoperiods, pH levels, salt stress, osmotic potential and burial depths. Findin

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30

Sabajo, Clifton R., Guerric le Maire, Tania June, Ana Meijide, Olivier Roupsard, and Alexander Knohl. "Expansion of oil palm and other cash crops causes an increase of the land surface temperature in the Jambi province in Indonesia." Biogeosciences 14, no. 20 (2017): 4619–35. http://dx.doi.org/10.5194/bg-14-4619-2017.

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Abstract. Indonesia is currently one of the regions with the highest transformation rate of land surface worldwide related to the expansion of oil palm plantations and other cash crops replacing forests on large scales. Land cover changes, which modify land surface properties, have a direct effect on the land surface temperature (LST), a key driver for many ecological functions. Despite the large historic land transformation in Indonesia toward oil palm and other cash crops and governmental plans for future expansion, this is the first study so far to quantify the impacts of land transformatio

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Noumi, Eric S., Joel Blin, Jeremy Valette, and Patrick Rousset. "Combined Effect of Pyrolysis Pressure and Temperature on the Yield and CO2 Gasification Reactivity of Acacia Wood in macro-TG." Energy & Fuels 29, no. 11 (2015): 7301–8. http://dx.doi.org/10.1021/acs.energyfuels.5b01454.

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Radovanovic, Mirjana, Branimir Racic, Snezana Tanaskovic, Goran Markovic, Dalibor Tomic, and Jelena Pantovic. "The catalytic effect of honey on formation of reducing sugars during sucrose hydrolysis." Chemical Industry 71, no. 2 (2017): 105–10. http://dx.doi.org/10.2298/hemind140313068r.

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In commercial apiculture, beekepers usually remove honey from hives and replenish food reserves with sugar syrup. When honeybees use sugar syrup (sucrose solution), they break down sucrose into glucose and fructose. These processes exhaust and weaken bees. In order to prevent bee exhaustion resulting from this processing, bees should preferably be supplied with ready made food before winter, i.e., with syrup in which sucrose has already been inverted. Feeding with inverted syrups is the most popular way of honeybee feeding. Beekeepers usually prepare inverted syrups by adding a weak organic ac

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33

Chang, Chia-Wei, Wei-Ling Kuo, and Kun-Tsung Lu. "On the Effect of Heat Treatments on the Adhesion, Finishing and Decay Resistance of Japanese cedar (Cryptomeria japonica D. Don) and Formosa acacia (Acacia confuse Merr.(Leguminosae))." Forests 10, no. 7 (2019): 586. http://dx.doi.org/10.3390/f10070586.

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In Taiwan, it is important to maintain sustainable development of the forestry industry in order to raise the self-sufficiency of domestic timber. Japanese cedar (Cryptomeria D. Don and Formosa acacia (Acacia confusa Merr.(Leguminosae)) have abundant storage options and are the potential candidates for this purpose. Heat treatment is a new environment-friendly method used to enhance the dimensional stability and durability of wood. On treatment, a surface with new characteristics is produced because of wood component changes. Consequently, an inactivated surface and a weak boundary layer are g

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34

Sabaruddin, Siti Nurul Aidil Fitri, and Lesi Lestari. "Hubungan antara Kandungan Bahan Organik Tanah dengan Periode Pasca Tebang Tanaman HTI Acacia Mangium Willd." Journal of Tropical Soils 14, no. 2 (2013): 106–10. http://dx.doi.org/10.5400/jts.2009.v14i2.106-110.

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Timber harvesting may have significant effects on soil organic matter content through mechanical disturbance, inputs of logging slash, alterations in litter production, and leaching of dissolved organic matter, as well as the alteration of temperature and moisture regimes. To investigate the effect of post-harvest period of tree harvesting on the dynamics of soil organic matter content, surface soils (0 to 10 cm and 10 to 20 cm) were collected from intact Acacia mangium Willd. plantation (control) and from A. mangiumWilld. harvested in 2001, 2002, 2004, and 2006 in four replicates. Each replic

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35

Nahdi, Maizer Said, and Darsikin Darsikin. "Distribusi dan Kemelimpahan Spesies Tumbuhan Bawah pada Naungan Pinus mercusii,Acacia auriculiformis danEucalyptus alba di Hutan Gama Giri Mandiri, Yogyakarta." Jurnal Natur Indonesia 16, no. 1 (2015): 33. http://dx.doi.org/10.31258/jnat.16.1.33-41.

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The purpose of this research was to study distribution and abundance of (shrubs, herbs, and rumput) under the three stands,i.e. Pinus mercusii, Acacia auriculiformis and Eucalyptus alba and environmental factors influencing them in Gama Girimandiri Forest. Data were collected in April-May 2011, using square plots. Plots were located in three locations by followinga stratified random sampling method. We administered 10 repetitions, and plot size 5x5 m for shrubs and herbs, and 1X1 m forgrass. The species found in each stand were identified and calculated for their density, frequency, domination

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36

Wright, B. R., and P. J. Clarke. "Relationships between soil temperatures and properties of fire in feathertop spinifex (Triodia schinzii (Henrard) Lazarides) sandridge desert in central Australia." Rangeland Journal 30, no. 3 (2008): 317. http://dx.doi.org/10.1071/rj07049.

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Soil temperatures during wildfires are known to influence seed bank and plant resprouting dynamics in arid Australian grasslands. Nevertheless, relationships between soil temperatures and factors such as fuel load, fuel type, season of burn, time-of-day and soil moisture are poorly understood. This study used small-scale experimental burns to determine the effects of these five variables on soil temperature profiles (0–4 cm) during fire in spinifex sandridge country in the Haasts Bluff Aboriginal Reserve, west of Alice Springs. Fuel load and type were found to strongly influence soil temperatu

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Jauhiainen, J., A. Hooijer, and S. E. Page. "Carbon dioxide emissions from an <i>Acacia</i> plantation on peatland in Sumatra, Indonesia." Biogeosciences Discussions 8, no. 4 (2011): 8269–302. http://dx.doi.org/10.5194/bgd-8-8269-2011.

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Abstract. Peat surface CO2 emission, groundwater table depth and peat temperature were monitored for two years along transects in an Acacia plantation on thick tropical peat (>4 m) in Sumatra, Indonesia. A total of 2300 emission measurements were taken at 144 locations. The autotrophic root respiration component of the CO2 emission was separated from heterotrophic emissions caused by peat oxidation in three ways: (i) by comparing CO2 emissions within and beyond the tree rooting zone, (ii) by comparing CO2 emissions with and without peat trenching (i.e. cutting any roots remaining in the pea

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Wang, Xiao Mei, and Cheng Rong Zhang. "Preparation of Chitosan/Acacia Microcapsule Facilitating Photo-Catalytic Degradation of Polypropylene Nonwovens." Advanced Materials Research 331 (September 2011): 160–64. http://dx.doi.org/10.4028/www.scientific.net/amr.331.160.

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Since the “plastic limit order” was released, shopping bags made of polypropylene spun-bonded nonwovens have been wildly used in daily life for their portability and recyclability. However, polypropylene materials are difficult to be degraded in natural conditions, thus they are not the “real” environmental protection bags. Many studies demonstrate that TiO2 has obvious effects on raising nonwovens’ photo-catalytic degradation rate. In this study, the microcapsules were prepared with complex coacervation method using chitosan and acacia as wall and TiO2 as core material. In addition, the main

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Gambo, Anthony Victor. "CORROSION INHIBITION PERFORMANCE OF ACACIA NOLITICA POD EXTRACT ON ALUMINIUM ALLOY IN 1M ALKALINE SOLUTION." FUDMA JOURNAL OF SCIENCES 4, no. 3 (2020): 154–61. http://dx.doi.org/10.33003/fjs-2020-0403-284.

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The effect of extract of Acacia Nolitica pod on the corrosion inhibition of LM 6 aluminium alloy in 1M NaOH was studied using weight loss, gasometric, and open circuit potential techniques. Corrosion rates were found to reduce in the presence of the inhibitor. The inhibition efficiency was found to increase with increase in the concentration of the inhibitor and decreased with increase in the temperature. Thermodynamic parameters showed that the adsorption of the inhibitor on the metal surface is a spontaneous process and that the adsorption was via a physisorption mechanism. The adsorption pr

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D'Souza, Nola K., Ian J. Colquhoun, Bryan L. Shearer, and Giles E. St J. Hardy. "The potential of five Western Australian native Acacia species for biological control of Phytophthora cinnamomi." Australian Journal of Botany 52, no. 2 (2004): 267. http://dx.doi.org/10.1071/bt03089.

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Five Acacia species native to Western Australia were assessed for their potential to protect the highly susceptible species Banksia grandis Wield from infection by the plant pathogen Phytophthora cinnamomi Rands. In a rehabilitated bauxite pit at Jarrahdale 55 km south-east of Perth and in a glasshouse trial, B. grandis planted either alone or with A. pulchella R.Br., A. urophylla Benth., A. extensa Lindl., A. lateriticola Maslin or A. drummondii Lindl., was soil inoculated with P. cinnamomi. It could only be shown that A. pulchella significantly protected B. grandis from P. cinnamomi infectio

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Huang, Zhenxiong, Lang Liu, Guojian Li, Hong Li, Dapeng Ye, and Xiaoli Li. "Nondestructive Determination of Diastase Activity of Honey Based on Visible and Near-Infrared Spectroscopy." Molecules 24, no. 7 (2019): 1244. http://dx.doi.org/10.3390/molecules24071244.

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The activities of enzymes are the basis of evaluating the quality of honey. Beekeepers usually use concentrators to process natural honey into concentrated honey by concentrating it under high temperatures. Active enzymes are very sensitive to high temperatures and will lose their activity when they exceed a certain temperature. The objective of this work is to study the kinetic mechanism of the temperature effect on diastase activity and to develop a nondestructive approach for quick determination of the diastase activity of honey through a heating process based on visible and near-infrared (

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Morales-Antonio, Miguel A., Gisela M. Santiago-Martínez, Alfonso Vásquez-López, et al. "Uredospore germination of Hemileia vastatrix and its inhibition by the effect of plant extracts in vitro." International Journal of Agriculture and Natural Resources 48, no. 2 (2021): 108–17. http://dx.doi.org/10.7764/ijanr.v48i2.2272.

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Coffee leaf rust, caused by Hemileia vastatrix, is the most important disease of coffee (Coffea arabica L.) in Mexico. It causes production losses of up to 40% and leads to the use of considerable volumes of synthetic fungicides. The main goals of this research were to identify the temperature, pH, incubation time, and luminosity required for in vitro germination of H. vastatrix uredospores and to evaluate the effect of plant extracts on their germination. Uredospores from coffee plants (var. Caturra) grown in the state of Oaxaca, Mexico, were collected and subjected to treatments consisting o

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El - Kheir, Murwan K. Sabah, Abu El Gasim A. Yagoub, and Asma A. Abu Baker. "Emulsion-Stabilizing Effect of Gum from Acacia senegal (L) Willd. The Role of Quality and Grade of Gum, Oil Type, Temperature,Stirring Time and Concentration." Pakistan Journal of Nutrition 7, no. 3 (2008): 395–99. http://dx.doi.org/10.3923/pjn.2008.395.399.

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Nuhu, B., Z. Yusuf, S. Hapsatu, and IA Ishiyaka. "Effects of Hot Water Treatment and Temperature on Seedling Emergence and Morphological Attributes of Acacia senegal L. Seeds." Journal of Agricultural Research and Development 12, no. 1 (2014): 53. http://dx.doi.org/10.4314/jard.v12i1.6.

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Jauhiainen, J., A. Hooijer, and S. E. Page. "Carbon dioxide emissions from an <i>Acacia</i> plantation on peatland in Sumatra, Indonesia." Biogeosciences 9, no. 2 (2012): 617–30. http://dx.doi.org/10.5194/bg-9-617-2012.

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Abstract. Peat surface CO2 emission, groundwater table depth and peat temperature were monitored for two years along transects in an Acacia plantation on thick tropical peat (>4 m) in Sumatra, Indonesia. A total of 2300 emission measurements were taken at 144 locations, over a 2 year period. The autotrophic root respiration component of CO2 emission was separated from heterotrophic emission caused by peat oxidation in three ways: (i) by comparing CO2 emissions within and beyond the tree rooting zone, (ii) by comparing CO2 emissions with and without peat trenching (i.e. cutting any roots rem

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Triboli, Edison Paulo De Ros, and Jorge Andrey Wilhelms Gut. "Study of Spray-dried Yoghurt Production in a Pilot-scale Equipment Using Drying Agents to Reduce Wall Deposition." International Journal of Food Engineering 12, no. 8 (2016): 793–803. http://dx.doi.org/10.1515/ijfe-2015-0355.

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Abstract The objective of this study was to determine suitable conditions for yoghurt spray drying in a pilot-scale equipment with a rotary atomizer using drying auxiliary agents to reduce wall deposition in the drying chamber. First, the effects of the main process variables (disk rotation speed: 25,000–30,000 rpm; inlet air temperature: 160–180 °C; feed flow rate: 5.2–8.7 kg/h) were studied with a 23 central composite experimental design. Following, six different drying agents (maltodextrins 5 dextrose equivalent [DE] and 10 DE, EmCap®, acacia gum, skimmed milk and fumed silica) were tested

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Al-Badawy, Ahmed A., M. I. El-Amry, and M. A. Salem. "Growth and Performance of Some Woody Plants Grown under Salinity Stress." HortScience 35, no. 4 (2000): 554D—554c. http://dx.doi.org/10.21273/hortsci.35.4.554d.

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Six woody plant species, (Atriplex lentiformis, Acacia ampliceps, Conocarpus erectus, Conocarpus erectus var. sericeus, Laguncularia racemosa, and Thespesia populnea) different in age, were grown in the field and irrigated with saline water (25 ppt). The physiological performance of these species was measured. Some macro- and micro-elements, carbohydrates, protein, proline, and photosynthetic pigments were estimated in the plants. The obtained results indicated in most cases, that age of plants has no effect on nutrients, protein, or carbohydrate concentrations. For each plant species, there w

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Idol, Travis, Patrick J. Baker, and Dean Meason. "Indicators of forest ecosystem productivity and nutrient status across precipitation and temperature gradients in Hawaii." Journal of Tropical Ecology 23, no. 6 (2007): 693–704. http://dx.doi.org/10.1017/s0266467407004439.

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Precipitation and temperature are known to have important effects on forest productivity, but these effects may be strongly mediated through their influence on soil and leaf nutrients. We measured indicators of forest productivity and soil and leaf nutrients across independent gradients of precipitation and elevation/temperature in lower montane Hawaiian forests dominated by a single overstorey species, Acacia koa, situated on 1500–3000-y-old soils that were mixtures of volcanic ash and basalt. Stand basal area was highest at the wettest site, 2000 mm mean annual precipitation (MAP), and leaf

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Piotraszewska-Pająk, Allna, and Anna Gliszczyńska-Świgło. "Directions of Colour Changes of Nectar Honeys Depending on Honey Type and Storage Conditions." Journal of Apicultural Science 59, no. 2 (2015): 51–61. http://dx.doi.org/10.1515/jas-2015-0019.

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AbstractThe colour of honey is one of the most important quality criteria for consumers. The colour depends mainly on the content of plant pigments but the honey consistency, shape, and size of the crystals may also influence the honey colour parameters. It is related to the crystallisation and decrystallisation processes of honey during storage. In the present study, directions of colour changes of honey during storage were evaluated using a tristimulus colorimeter and the CIE 1976 L*a*b* and CIE L*C*hosystems. The effect of time (3 and 9 months) and storage conditions (cold storage, room tem

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Khurana, Ekta, and J. S. Singh. "Ecology of seed and seedling growth for conservation and restoration of tropical dry forest : a review." Environmental Conservation 28, no. 1 (2001): 39–52. http://dx.doi.org/10.1017/s0376892901000042.

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Dry forests are among the most threatened ecosystems and have been extensively converted into grasslands, secondary forest, savanna or agricultural land. Knowledge of seed germination and seedling establishment is required for the success of efforts on restoration of these forests. This review focuses on the ecological requirements at seed and seedling stages, and collates the current knowledge of seed viability, dormancy, germination pattern and seedling behaviour of dry tropical tree species. The spatio-temporal variations within the tropical dry forest biome in soil moisture, light, tempera

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