Relevant bibliographies by topics / Ribe Region

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
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Academic literature on the topic 'Ribe Region'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Ribe Region"

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Bereswill, Stefan, Silke Hinkelmann, Manfred Kist, and Anna Sander. "Molecular Analysis of Riboflavin Synthesis Genes in Bartonella henselae and Use of the ribCGene for Differentiation of Bartonella Species by PCR." Journal of Clinical Microbiology 37, no. 10 (1999): 3159–66. http://dx.doi.org/10.1128/jcm.37.10.3159-3166.1999.

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The biosynthesis pathway for riboflavin (vitamin B2), the precursor of the essential cofactors flavin mononucleotide and flavin adenine dinucleotide, is present in bacteria and plants but is absent in vertebrates. Due to their conservation in bacterial species and their absence in humans, the riboflavin synthesis genes should be well suited either for detection of bacterial DNA in human specimens or for the differentiation of pathogenic bacteria by molecular techniques. A DNA fragment carrying the genes ribD, ribC, and ribE, which encode homologues of riboflavin deaminase (RibD) and subunits of riboflavin synthetase (RibC and RibE), respectively, was isolated from a plasmid-based DNA library of the human pathogen Bartonella henselae by complementation of aribC mutation in Escherichia coli. Sequence analysis of the ribC gene region in strains of B. henselae, which were previously shown to be genetically different, revealed that the ribC gene is highly conserved at the species level. PCR amplification with primers derived from theribC locus of B. henselae was used to isolate the corresponding DNA regions in B. bacilliformis, B. clarridgeiae, and B. quintana. Sequence analysis indicated that the riboflavin synthesis genes are conserved and show the same operon-like genetic organization in all fourBartonella species. Primer oligonucleotides designed on the basis of localized differences within the ribC DNA region were successfully used to develop species-specific PCR assays for the differentiation of B. henselae, B. clarridgeiae, B. quintana, and B. bacilliformis. The results obtained indicate that the riboflavin synthesis genes are excellent targets for PCR-directed differentiation of these emerging pathogens. The PCR assays developed should increase our diagnostic potential to differentiate Bartonellaspecies, especially B. henselae and the newly recognized species B. clarridgeiae.
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Nyborg, Ebbe, Finn Surlyk, and Nicolas Thibault. "Provenance of Medieval atlantes in the Ribe Cathedral, Denmark, based on geological and palaeontological investigations." Bulletin of the Geological Society of Denmark 68 (March 13, 2020): 15–21. http://dx.doi.org/10.37570/bgsd-2020-68-02.

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An atlante is a corbel figure (or pillar support) sculpted in the form of a man carrying a heavy load. A group of well-preserved stone carved atlantes from c. 1250 carrying the vaults of the Ribe Cathedral in western Jylland, Denmark, represents the antique titan Atlas and are up to 150 cm high. Their obviously foreign origin has so far remained uncertain. The figures are made of a relatively soft, sandy limestone. A new nannofossil analysis of small chips of the chalky and sandy limestone narrows the age of the stone down to the late Campanian (Late Cretaceous). Upper Campanian sandy limestones of this type are exposed in the Münster Basin in North Rhine-Westphalia, western Germany. The Campanian Baumberger Sandstein in this region fits well with the atlantes in terms of lithology and age and is the only possible provenance of the stone. Around 1250 the Baumberger Sandstein was used for baptismal fonts as far north as Ostfriesland at the Dutch-German border, and it is a novel finding of this investigation that it even reached Denmark. The stone was most likely floated along the rivers Lippe and Rhine and shipped via the Wadden Sea to Ribe. It is a remarkably long transport distance for historic commercial stone transportation in continental northern European art in the High Middle Ages.
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Ashby, Steven P., Ashley N. Coutu, and Søren M. Sindbæk. "Urban Networks and Arctic Outlands: Craft Specialists and Reindeer Antler in Viking Towns." European Journal of Archaeology 18, no. 4 (2015): 679–704. http://dx.doi.org/10.1179/1461957115y.0000000003.

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This paper presents the results of the use of a minimally destructive biomolecular technique to explore the resource networks behind one of the first specialized urban crafts in early mediaeval northern Europe: the manufacture of composite combs of deer antler. The research incorporates the largest application of species identification by peptide mass fingerprinting (ZooMS) to a mediaeval artefact assemblage: specifically to collections of antler combs, comb manufacturing waste, and raw antler from Ribe, Aarhus, and Aggersborg. It documents the early use of reindeer (Rangifer tarandus) antler, from the 780s AD at the latest, presenting the earliest unambiguous evidence for exchange-links between urban markets in the southern North Sea region and the Scandinavian Peninsula. The results demonstrate that the common conceptual distinction between urban hinterlands and long-distance trade conceals a vital continuity. Long-range networks were vital to urban activities from the first appearance of towns in this part of the world, preceding the historically documented maritime expansion of the Viking Age. We consequently suggest that urbanism is more appropriately defined and researched in terms of network dynamics than as a function of circumscribed catchment areas or hinterlands.
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Ge, Ying-Ying, Jia-Rong Zhang, Harold Corke, and Ren-You Gan. "Screening and Spontaneous Mutation of Pickle-Derived Lactobacillus plantarum with Overproduction of Riboflavin, Related Mechanism, and Food Application." Foods 9, no. 1 (January 14, 2020): 88. http://dx.doi.org/10.3390/foods9010088.

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Riboflavin, also known as vitamin B2, plays an important role in human cell metabolism and participates in various redox reactions and in energy utilization. In this study, 90 riboflavin-producing lactic acid bacteria (LAB) were screened out from pickle juices. The yields of riboflavin in these LAB were about 0.096–0.700 mg/L, and one strain, Lactobacillus plantarum RYG-YYG-9049, was found to produce the highest riboflavin content. Next, roseoflavin was used to induce the spontaneous mutation of RYG-YYG-9049, and selected roseoflavin-resistant colonies generally produced higher riboflavin contents, ranging from 1.013 to 2.332 mg/L. The No. 10 mutant, L. plantarum RYG-YYG-9049-M10, had the highest riboflavin content. Next, the molecular mechanism of enhancing riboflavin production in RYG-YYG-9049-M10 was explored, leading to the finding that roseoflavin treatment did not change the rib operons including the ribA, ribB, ribC, ribH, and ribG genes. Unexpectedly, however, this mechanism did induce an insertion of a 1059-bp DNA fragment in the upstream regulatory region of the rib operon, as compared to the wild-type RYG-YYG-9049. To the best of our knowledge, this is the first report that roseoflavin could induce an insertion of DNA fragment in LAB to increase riboflavin content, representing a new mutation type that is induced by roseoflavin. Finally, in order to fortify riboflavin content in soymilk, RYG-YYG-9049 and RYG-YYG-9049-M10 were used to ferment soymilk, and several fermentation parameters were optimized to obtain the fermented soymilk with riboflavin contents of up to 2.920 mg/L. In general, roseoflavin induction is an economical and feasible biotechnological strategy to induce riboflavin-overproducing LAB, and this strategy can be used to develop LAB-fermented functional foods that are rich in riboflavin.
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Han, F., A. Kleinhofs, S. E. Ullrich, A. Kilian, M. Yano, and T. Sasaki. "Synteny with rice: analysis of barley malting quality QTLs and rpg4 chromosome regions." Genome 41, no. 3 (June 1, 1998): 373–80. http://dx.doi.org/10.1139/g98-027.

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The barley (Hordeum vulgare L.) chromosome 1 centromere region contains two adjacent overlapping quantitative trait loci (QTLs) for malting quality traits, and the chromosome 7L subtelomere region contains the stem rust (causal agent Puccinia graminis f.sp. tritici) resistance gene rpg4. To facilitate the saturation mapping of these two target regions, a synteny-based approach was employed. Syntenic relationships between the barley target regions and the rice (Oryza sativa) genome were established through comparative mapping. The barley chromosome 1 centromere region was found to be syntenic with rice chromosome 8 and parts of rice chromosomes 3 and 10. A 6- to 15-fold difference in genetic distance between barley and rice in the syntenic region was observed, owing to the apparent suppressed recombination in the barley chromosome 1 centromere region. Barley chromosome 7L was found to be syntenic with rice chromosome 3. The establishment of synteny with rice in the two target regions allows well-established and characterized rice resources to be utilized in fine mapping and map-based cloning studies.Key words: genome synteny, quantitative trait loci, QTL, disease resistance gene, Triticeae.
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Solomon, Hailemariam. "Roles of rice FRGS in technology dissemination in Benishangul Gumuz region." E3 Journal of Agricultural Research and Development 6, no. 3 (June 30, 2016): 070–74. http://dx.doi.org/10.18685/ejard(6)3_ejard-16-014.

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Ginevičius, Romualdas, and Valentinas Podvezko. "EVALUATING THE CHANGES IN ECONOMIC AND SOCIAL DEVELOPMENT OF LITHUANIAN COUNTIES BY MULTIPLE CRITERIA METHODS." Technological and Economic Development of Economy 15, no. 3 (September 30, 2009): 418–36. http://dx.doi.org/10.3846/1392-8619.2009.15.418-436.

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Under the conditions of the country's economy restructurization, the differences between economic and social development of various regions are becoming more prominent. To smooth these differences, a number of scientific and practical problems associated with the concepts of a region, regional policy and its aims, determination of the boundaries of a region and evaluation of its development, etc., should be thoroughly investigated. To solve such complicated problems, multicriteria evaluation methods have been recently used, which could take into consideration the major aspects of economic and social development of the regions, including the environmental problems, as well as multidimensional character of the criteria, different directions of their changing and significances. Quantitative evaluation of social and economic region's development allows us to determine the changes, taking place in this development. This, in turn, shows the effectiveness of the EU structural funds, national programmes and other facilities used in conducting the regional policy. Santrauka Šalies ūkiui iš esmės restruktūrizuojantis ir persitvarkant padidėja ekonominės ir socialinės plėtros skirtumai tarp regionų (apskričių). Juos mažinant susiduriama su daugeliu mokslui ir praktikai aktualių, spręstinų klausimų, tokių kaip regiono, regioninės politikos samprata ir tikslai, jų ribų nustatymas, plėtros supratimas, įvertinimas ir t. t. Tokiems uždaviniams spręsti pastaraisiais metais sėkmingai taikomi daugiakriterinio vertinimo būdai. Jie leidžia įvertinti visus svarbiausius regionų ekonominės ir socialinės plėtros (RESP) aspektus, taip pat ir aplinkosauginius, įvertinti rodiklių daugiadimensiškumą, nevienodą kitimo kryptį bei reikšmingumą. Galimybė kiekybiškai įvertinti RESP leidžia nustatyti šios plėtros kaitą. Būtent ji parodo, koks yra Europos struktūrinių fondų, nacionalinių programų, kitų priemonių, skirtų regioninei politikai įgyvendinti, efektyvumas.
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Dunford, Roy P., Masahiro Yano, Nori Kurata, Takuji Sasaki, Gordon Huestis, Torbert Rocheford, and David A. Laurie. "Comparative Mapping of the Barley Ppd-H1 Photoperiod Response Gene Region, Which Lies Close to a Junction Between Two Rice Linkage Segments." Genetics 161, no. 2 (June 1, 2002): 825–34. http://dx.doi.org/10.1093/genetics/161.2.825.

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Abstract Comparative mapping of cereals has shown that chromosomes of barley, wheat, and maize can be described in terms of rice “linkage segments.” However, little is known about marker order in the junctions between linkage blocks or whether this will impair comparative analysis of major genes that lie in such regions. We used genetic and physical mapping to investigate the relationship between the distal part of rice chromosome 7L, which contains the Hd2 heading date gene, and the region of barley chromosome 2HS containing the Ppd-H1 photoperiod response gene, which lies near the junction between rice 7 and rice 4 linkage segments. RFLP markers were mapped in maize to identify regions that might contain Hd2 or Ppd-H1 orthologs. Rice provided useful markers for the Ppd-H1 region but comparative mapping was complicated by loss of colinearity and sequence duplications that predated the divergence of rice, maize, and barley. The sequences of cDNA markers were used to search for homologs in the Arabidopsis genome. Homologous sequences were found for 13 out of 16 markers but they were dispersed in Arabidopsis and did not identify any candidate equivalent region. The implications of the results for comparative trait mapping in junction regions are discussed.
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Fiedler, Radosław. "Central Asia on the way of One Belt, One Road – implications for the European Union." Rocznik Integracji Europejskiej, no. 12 (February 18, 2019): 255–66. http://dx.doi.org/10.14746/rie.2018.12.17.

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Inicjatywa Pasa i Szlaku stwarza możliwości jak i wyzwania dla regionu Azji Centralnej. Inwestycje infrastrukturalne wraz z rozwijającymi się połączeniami kolejowymi przybliżają ten region do Europy. Chińska inicjatywa wiąże się z koncepcją budowania strefy wpływów w regionie Azji Centralnej i stopniowego wypierania innych partnerów w tym państw Unii Europejskiej. W przygotowywanej nowej strategii UE wobec Azji Centralnej należy uwzględnić znaczenie Nowego Jedwabnego Szlaku z jego pozytywnymi jak i negatywnymi uwarunkowaniami.
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Kato, K., H. Miura, and S. Sawada. "Comparative mapping of the wheat Vrn-AI region with the rice Hd-6 region." Genome 42, no. 2 (April 1, 1999): 204–9. http://dx.doi.org/10.1139/g98-115.

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Although extensive synteny between hexaploid wheat and rice chromosomes has been demonstrated, synteny between the species breaks down in several regions of the wheat genome carrying agronomically important genes. A possible relationship between the wheat Vrn-A1, the vernalization response gene on chromosome 5A, and the rice Hd-6, a QTL controlling heading date by photoperiod response on chromosome 3, was investigated. Rice cDNA clones which had previously been mapped onto the Hd-6 region were screened for comparative genetic mapping of the Vrn-A1 region. Ten markers mapped to Hd-6 were assigned to wheat chromosome 5A by nullisomic-tetrasomic analysis. Of them, four cDNA markers, linked within 2.2 cM in the rice Hd-6 region, were mapped on the flanking region of the wheat Vrn-A1, with a complete correspondence of order, demonstrating a fine-scale genetic collinearity. These results gave evidence that the wheat Vrn-A1 region is in synteny with the rice Hd-6 region.Key words: wheat, rice, vernalization response gene, photoperiod response gene, synteny.
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Dissertations / Theses on the topic "Ribe Region"

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Zhao, Zhijun. "Rice domestication in the middle Yangtze Region, China : an application of phytolith analysis /." free to MU campus, to others for purchase, 1996. http://wwwlib.umi.com/cr/mo/fullcit?p9823337.

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Ramos, de Fuentes Eduardo. "Developing of new stress-tolerant rice varieties for the Mediterranean region." Doctoral thesis, Universitat de Barcelona, 2018. http://hdl.handle.net/10803/663479.

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Rice (Oryza sativa) is the most important crop for human direct consumption, but its yield and production are strongly affected by biotic and abiotic stresses. Rice is the most salt-sensitive cereal and in addition, salinity is a rising problem around the world reinforced by the climate change effects such as rise of the sea level, soil degradation and water scarcity. Regarding biotic stresses, the apple snail (Pomacea sp.) is one of the worst introduced pest that affects rice production. It has been detected for first time in Europe in Spain, in 2009 in Ebro River Delta, destroying rice fields at seedling stage. Additionally, rice blast, caused by an ascomycete called Pyricularia oryzae, is a disease that strongly affects the rice production worldwide causing yield losses that range from 15% to 50%, even using specific fungicides. The main objective of this thesis is to develop new stress-tolerant rice varieties for the Mediterranean region, by the introgression of the Saltol QTL and new blast resistance genes to Mediterranean local varieties. A molecular marker assisted backcross scheme (using KASP technology) was followed to introgress the salt tolerance traits. The Saltol donor varieties were FL478 and IR64-Saltol, two salt-tolerant Asiatic indica rice lines, while the recurrent parental lines were PL12 and PM37, two Mediterranean japonica rice lines. BC3F3 plants were tested for salt tolerance in hydroponic assays. The standard evaluation system (SES) described by IRRI was used to evaluate the lines. Relative chlorophyll content (RCC, measured with a SPAD), fresh weight and plant length was also recorded. Additionally, two consecutive years of field assays were performed in Ebro River Delta using different foreign and local lines (and their hybrids), to evaluate their general performance and rice blast resistance. From the 4 crosses combination performed between both Saltol donors and both Mediterranean recurrent parents, PL12 x FL478 (LP cross) and PM37 x IR64-Saltol (MS) were selected to proceed with the whole backcrossing process, to determine the return to the recurrent parent genome and to obtain the homozygous Saltol BC3F4 seeds. For the hydroponic assays, 54 BC3LPF3 lines were initially tested since a high variability between lines was observed. From them, some lines like LP-3, LP-15 or LP-17, performed similar or even better in the SES than the salinity donor FL478 line. The RCC data showed again a high variability between lines, although RCC did not correlate with SES results. The data analysis was hindered due to the differences scored between replicates and the fact that much of them were totally dead at the end of the assay. A certain degree of heterozygosity may explain the variability found between replicates during the SES evaluation. The fresh weight (FW) and the plant length in both shoot and root was strongly affected by the salinity treatment. However, the reduction was higher in shoot than in root. Finally, the blast tolerance field assays were severely affected by the rice stem borer Chilo suppressalis, both years. The evaluation for rice blast tolerance was really difficult and no outstanding line was selected to proceed. In conclusion, the Saltol QTL has been successfully introgressed in two Mediterranean japonica rice varieties, although more replicates of the hydroponics assays must be performed to confirm and select the most salt tolerant obtained lines. These lines will be tested in 2018 and 2019 in field assays, under salinized and no salinized conditions. Regarding rice blast resistance field assays, no conclusive results were achieved. More field assays must be done, and other lines should be tested. In order to reduce C. suppressalis infestations, more phytosanitary actions should be taken in the future.
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3

Awuni, George Agana. "Rice injury and ecology of the rice stink bug, Oebalus pugnax (F.) in the Delta Region of Mississippi." Thesis, Mississippi State University, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3603416.

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The rice stink bug, Oebalus pugnax(F.), is an important late season pest of rice that is noted for causing grain yield and quality reductions in the United States. This study investigated rice injury using field cages in two rice cultivars ('Cocodrie' and 'Wells') at bloom, milk, and soft dough stages and O. pugnax ecology in the Delta Region of Mississippi.

Specific objectives were: 1) to determine the impact of adult O. pugnax infestation on rice yield and grain quality at bloom, milk, and soft dough stages of rice development; 2) to determine the impact of adult O. pugnax gender and infestation duration on rice yield and grain quality at the milk stage of panicle development; 3) to identify and examine the seasonal abundance and phenology of O. pugnaxon non-cultivated host grasses; and 4) to evaluate feeding preference and development of O. pugnax on host grasses.

Rice injury increased as O. pugnax density increased. The bloom and milk stages were the most vulnerable to blank and discolored kernels, respectively. O. pugnax feeding injury was significant after 3 d of infestation duration during the milk stage of panicle development. Female O. pugnax caused a greater percentage of blank kernels compared to males.

A survey of O. pugnax hosts indicated that Italian ryegrass, Lolium perenne L. ssp. multiflorum and winter wheat, Triticum aestivum L., were important hosts during spring and early summer. Junglerice, Echinochloa colona (L.) Link; crabgrass spp., Digitaria spp. Haller; southwestern cupgrass, Eriochloa acuminata (J. Presl) Kunth; and praire cupgrass, Eriochloa contracta (Hitchc.), were important hosts for O. pugnax during early to mid-summer. Browntop millet, Urochloa ramosa, and broadleaf signalgrass, Urochloa platyphylla, supported adult O. pugnax prior to overwintering. In a choice test of wild host grasses, junglerice was the most preferred over 10 other host grasses. In the no-choice test, mean development time was shorter and survival was greater for O. pugnax nymphs reared on rice, Oryza sativa L., compared to dallisgrass, Paspalum dilatatum Poir and junglerice. These results provide biological and ecological information on which new O. pugnax integrated pest management practices can be developed.

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Ichitani, Katsuyuki. "Genetic analysis of weak photoperiod sensitivity in rice cultivars for the northernmost region." Kyoto University, 1998. http://hdl.handle.net/2433/182420.

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Kyoto University (京都大学)
0048
新制・課程博士
博士(農学)
甲第7532号
農博第1022号
新制||農||771(附属図書館)
学位論文||H10||N3209(農学部図書室)
UT51-98-W276
京都大学大学院農学研究科農学専攻
(主査)教授 池橋 宏, 教授 堀江 武, 教授 天野 髙久
学位規則第4条第1項該当
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Fortier, Sophie. "Impact of irrigated rice culture on the production of Anopheles mosquitos (Diptera:Culicidae) in the Niono region, Mali." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33760.

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The study assessed the impact of rice paddy water management practices and related environmental conditions that prevail in Niono, Mali, on the size of larval populations of Anopheles gambiae s.l., a major malaria vector. The longer the period of uninterrupted flooding, the greater was the larval population size. As the density of aquatic weeds increased, the size of the mosquito larval population declined, whereas the presence of rice plants enhanced the size of mosquito larval populations. Numbers of mosquito larvae initially increased as rice plant density rose, but then decreased marginally as densities reached their peak. These results confirm that water management plays a major role in the production of mosquito larvae. Nevertheless, comparison with studies conducted in other areas suggest that the impact of water management on mosquitoes varies regionally. In the Niono region, controlled irrigation and drainage should favour the reduction of Anopheles mosquito larval populations.
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Judah, Andrew. "Nitrogen response trial for rice variety, garaina grown on andisols from the vudal region, Papua New Guinea /." [St. Lucia, Qld.], 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18328.pdf.

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Timpeanu, Elena. "The rise of complex society in the eastern Carpatho-Danubian region (last millennium B.C.)." Case Western Reserve University School of Graduate Studies / OhioLINK, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=case1057082094.

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Hills, Thomas D. "The Recent Rise of Southern Banking." Digital Archive @ GSU, 2006. http://digitalarchive.gsu.edu/history_theses/9.

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Between 1984 and 1986 the legislatures of several southern states enacted changes to their banking laws that enabled banking companies in Southern Region states to acquire and be acquired by banking companies in other Southern Region states, as long as these companies qualified as “Southern.” The purpose of the compact was to allow some southern banking companies an opportunity to grow and gain financial strength before full interstate banking was permitted. This study shows that the compact was successful. In 1985 no southern banking companies were among the top ten banks in the country, but by 2005 four were. Furthermore, no major southern bank has been acquired by a U.S. banking company outside of the South, although several southern banking companies have bought banks in other regions. The southern economy and its banking industry have benefited, although the benefits have been unevenly spread among states.
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Chowdhury, Md Tanvir Ahmed. "Arsenic in Bangladeshi soils related to physiographic regions, paddy management and geochemical cycling." Thesis, University of Aberdeen, 2016. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=231266.

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It has been established that the impact of arsenic in irrigated agriculture has become a major environmental concern in Bangladesh. However, to date there is still a limited understanding of arsenic in Bangladeshi paddy soils at a landscape level. Besides, there is no data available for soil arsenic on its geographical distribution, geomorphic variations, and biogeochemical relationships across the landscape. In the present study, paddy (n = 1209) and adjacent nonpaddy (n = 235) soil samples across 10 different physiographic regions, comprising the Holocene floodplains and Pleistocene terraces, were collected, and analysed for arsenic and a suite of 16 other elements. The collected paddy soils were from fields irrigated with groundwater (n = 904) and surface waters (n = 281). Additionally, the soils could be categorised into 6 inundation land types. A set of 30 paddy soil samples from 6 physiographic regions were also studied using the diffusive gradients in thin-films (DGT) to assess the porewater dynamics of arsenic, and other geochemical elements in the soils. The paddy soils had generally 60 percent more arsenic than the matching non-paddy soils, perhaps due to the use of arsenic contaminated groundwater for paddy irrigation. Compared to the groundwater irrigated paddy soils, the surface water irrigated paddy soils had lower arsenic concentrations, but higher concentrations of most of the other elements. Within the topologically different inundation land types, the concentrations of arsenic and other elements, including the toxic metals, were found to be elevated in more deeply and prolonged flooded low-lying soils. The soils in the different physiographic regions had variability in arsenic concentrations as well as in their indigenous biogeochemical characteristics. The inherent concentrations and variability in arsenic and most other elements, including nutrients, were greater in the Holocene floodplain soils compared to the Pleistocene terrace soils. Paddy soils in Bangladesh have a high potential for arsenic resupply from soil solid phase to soil solution phase. In the physiographically different soils across the landscape, there is less difference in nutrient/ toxin bioavailability in the paddy soils than might be predicted based solely on the total concentrations in the soils. Therefore, distinctions of soils based just on total concentrations are perhaps misleading, particularly, when elements mobility under reducing paddy environment is concerned. While the bioavailable/ phytoavailable fractions of the elements in soils are of major concern with respect to the uptake by the growing plants, it is of utmost importance to consider the labile concentrations of elements in soil solution rather than the soil total concentrations. The present study substantiates that arsenic is simply associated with less well weathered/ leached soils and sediments, suggesting that it was either due to the geological newness of Holocene sediments or differences between the sources of sediments that gave rise to the arsenic problems in soils of Bangladesh. The inherent biogeochemical variability along with the complexity of the nature and properties of the soils at local and regional levels across the landscape of the dynamic sedimentary depositional environment in Bangladesh should be considered, in any future research on arsenic in the soil-water-crop systems in Bangladesh environment.
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Liang, Yongcheng. "Investigation on inlet and entry region characteristics on the discrete passage diffuser pressure rise performance." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/47367.

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Books on the topic "Ribe Region"

1

Royal Institute of British Architects. West Midlands Regional Council. RIBA yearbook: West Midlands region. Macclesfield: McMillan Martin, 1986.

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Royal Institute of British Architects. West Midlands Regional Council. RIBA yearbook: West Midlands region. Cardiff: Thomson Media Services, 1989.

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Royal Institute of British Architects. West Midlands Regional Council. RIBA yearbook: West Midlands region. Cardiff: Thomson Media Services, 1990.

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Royal Institute of British Architects. West Midlands Regional Council. RIBA yearbook: West Midlands region. Macclesfield: McMillan Martin, 1988.

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Council, Royal Institute of British Architects West Midlands Regional. RIBA yearbook: West Midlands region. Macclesfield: McMillan Martin, 1987.

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Mahadkar, U. V. Rice production technology for Konkan region. Dapoli: Directorate of Research, Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli, 2015.

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Royal Institute of British Architects. Southern Region. RIBA Southern Region annual review and yearbook. Bridgend: SAW Publications on behalf of the Royal Institute of British Architects, Southern Region, 1995.

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Kainth, G. S. Rice production, potential and constraints: A case study of productivity backward region. New Delhi: Inter-India Publications, 1985.

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1951-, Hardill Irene, ed. The rise of the English regions? London: Routledge, 2006.

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Xingzhou, Song, ed. Impact of China's rise on the Mekong Region. New York, NY: Palgrave Macmillan, 2015.

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Book chapters on the topic "Ribe Region"

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Søvsø, Morten. "High Medieval Magnate Farms in Jutland with Particular Focus on the Region of Ribe." In The Medieval Countryside, 119–36. Turnhout: Brepols Publishers, 2011. http://dx.doi.org/10.1484/m.tmc-eb.4.1007.

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Bussmann, Rainer W., Ketevan Batsatsashvili, Zaal Kikvidze, Narel Y. Paniagua-Zambrana, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze, and David Tchelidze. "Ribes biebersteinii Berland. ex DC. Ribes nigrum L. Ribes odoratum H.L. Wendl. Ribes orientalis Desf. Ribes rubrum L. Ribes uva-crispa L. Grossulariaceae." In Ethnobotany of Mountain Regions, 801–9. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28940-9_116.

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Bussmann, Rainer W., Ketevan Batsatsashvili, Zaal Kikvidze, Narel Y. Paniagua-Zambrana, Manana Khutsishvili, Inesa Maisaia, Shalva Sikharulidze, and David Tchelidze. "Ribes biebersteinii Berland. ex DC. Ribes nigrum L. Ribes odoratum H.L. Wendl. Ribes orientalis Desf. Ribes rubrum L. Ribes uva-crispa L. Grossulariaceae." In Ethnobotany of Mountain Regions, 1–9. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-77088-8_116-2.

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Swapna, P., M. Ravichandran, G. Nidheesh, J. Jyoti, N. Sandeep, J. S. Deepa, and A. S. Unnikrishnan. "Sea-Level Rise." In Assessment of Climate Change over the Indian Region, 175–89. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4327-2_9.

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Morgan, Kevin, and Dylan Henderson. "Regions as Laboratories: the Rise of Regional Experimentalism in Europe." In Innovation and Social Learning, 204–26. London: Palgrave Macmillan UK, 2002. http://dx.doi.org/10.1057/9781403907301_10.

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Selleslaghs, Joren, and Luk Van Langenhove. "The Rise of Regions: Introduction to Regional Integration & Organisations." In The Changing Global Order, 147–62. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21603-0_8.

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Catling, David. "Minor Regions and Potential Areas." In Rice in Deep Water, 377–88. London: Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-12309-4_24.

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Bussmann, Rainer W., Ketevan Batsatsashvili, and Zaal Kikvidze. "Ribes nigrum L. Ribes rubrum L. Grossulariaceae." In Ethnobotany of the Mountain Regions of Central Asia and Altai, 1–7. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77087-1_120-1.

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Bussmann, Rainer W., Ketevan Batsatsashvili, and Zaal Kikvidze. "Ribes nigrum L. Ribes rubrum L. Grossulariaceae." In Ethnobotany of the Mountain Regions of Central Asia and Altai, 669–75. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28947-8_120.

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de Almeida, Maria Hermínia Tavares. "Within the Region, Beyond the Region: The Role of Brazil According to the Mass Public." In Foreign Policy Responses to the Rise of Brazil, 29–45. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1007/978-1-137-51669-5_3.

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Conference papers on the topic "Ribe Region"

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Graham, A., E. Sewall, and K. A. Thole. "Flowfield Measurements in a Ribbed Channel Relevant to Internal Turbine Blade Cooling." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53361.

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The internal cooling of turbine blades is an important part of overall blade cooling that is necessary to survive current turbine inlet temperatures. This internal cooling is often performed by means of rib-turbulated passages designed to provide maximum heat transfer coefficients. One determining factor in the cooling effectiveness is the flow pattern created by the ribbed channel. This paper presents a comparison of the effect of two different channel blockage ratios on the fully developed flow pattern in a stationary ribbed channel. For the experimental investigation, a scaled-up ribbed passage was tested using of a closed-loop channel facility. The facility included a passage consisting of a developing region, a fully developed region, a 180° bend, and a second developing region following the bend. Friction factors were determined through the use of pressure taps throughout the channel, and flow fields were measured using a two-component laser Doppler velocimeter. A majority of the testing performed was done under conditions of in-line (i.e. non-staggered) ribs with ratios of rib height to channel hydraulic diameter of 0.10 and 0.17. All LDV measurements were performed at a Reynolds number of 20,000. Results indicate that both blockage ratios create significant recirculation regions immediately before and immediately following the rib. While the smaller rib results indicate a reattachment downstream of the rib, the larger rib results indicate that the flow is separated along the entire streamwise distance between the ribs. The smaller blockage ratio also indicated a small recirculation region directly on top of the rib, whereas the larger blockage ratio showed no such region. Additionally, the increased friction factor created by the larger ribs can be attributed to the larger recirculation regions between ribs.
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Oda, Yutaka, and Kenichiro Takeishi. "Large Eddy Simulation of Two-Dimensional Jet Impingement Heat Transfer Enhanced by Submilli-Scale Ribs." In ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icnmm2013-73114.

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Two-dimensional jet impingement heat transfer enhanced by submilli-scale ribs has been studied by mass transfer experiments and large eddy simulations. Installation of ribs induces flow separation and reattachment, and realize high heat transfer coefficient in the wall jet region. Higher rib-height was found to be effective to make the enhanced heat transfer region larger. Large eddy simulation was found to predict reattachment length correctly, which then resulted in good agreement of local heat transfer coefficients between experiment and simulations except the stagnation and reattachment regions, where over- and under-estimation occurs.
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Sewall, Evan A., and Danesh K. Tafti. "Large Eddy Simulation of the Developing Region of a Stationary Ribbed Internal Turbine Blade Cooling Channel." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53832.

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This study reports on a Large Eddy Simulation (LES) of the entrance section of a gas turbine blade internal cooling passage. The channel is fitted with in-line turbulators orthogonal to the flow, and the domain studied covers the first six ribs of the channel. The rib height-to-hydraulic diameter ratio (e/Dh) is 0.1, and the rib pitch-to-rib height ratio (P/e) is 10. A constant temperature boundary condition is imposed on the walls and the ribs, and the flow Reynolds number is 20,000. Results indicate that the mean flow is essentially fully developed by the fifth rib. Turbulent kinetic energy near the ribbed wall approaches fully developed values very quickly by the third or fourth ribs. However, turbulent intensities at the center of the duct are not fully developed by the sixth rib. As a consequence, heat transfer augmentation on the ribbed walls reaches a fully developed state quickly after the third rib, whereas, the smooth wall heat transfer augmentation shows a slight but steady increasing trend toward the fully developed value up to the sixth rib. Both augmentation ratios are to within 10% of their fully developed values after the third rib.
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Eliades, V., D. E. Nikitopoulos, and S. Acharya. "Detailed Mass Transfer Distribution in Rotating, Two-Pass Ribbed Coolant Channels With Vortex Generators." In ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/99-gt-424.

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Local and global effects of cylindrical vortex generators on the mass transfer distributions over the four active walls of a square, rib-roughened rotating duct with a sharp 180° bend are investigated. Cylindrical vortex generators (rods) are placed above, and parallel to, every other rib on the leading and trailing walls of the duct so that their wake can interact with the shear layer and recirculation region formed behind the ribs, as well as the rotation-generated secondary flows. Local increases in near-wall turbulence intensity resulting from these interactions give rise to local enhancement of mass (heat) transfer. Measurements are presented for duct Reynolds numbers (Re) in the range 5000–30,000, and for rotation numbers in the range 0 to 0.3. The rib height-to-hydraulic diameter ratio (e/Dh) is fixed at 0.1, while the rib pitch-to-rib height ratio (P/e) is 10.5. The vortex generator rods have a diameter-to-rib height ratio (d/e) of 0.78, and the distance separating them from the ribs relative to the rib height (s/e) is 0.55. Mass transfer measurements of naphthalene sublimation have been carried out using an automated acquisition system and are correlated with heat transfer using the heat/mass transfer analogy. The results indicate that the vortex generators tend to enhance overall mass transfer in the duct, compared to the case where only ribs are present, both before and after the bend at high Reynolds and Rotation numbers. Local enhancements of up to 30% are observed on all four walls of the duct. At low Reynolds numbers (e.g. 5,000) the insertion of the rods often leads to degradation. At high Reynolds numbers (e.g. 30,000) the enhancement due to the rods occurs on the surfaces stabilized by rotation (trailing edge on the inlet pass and leading edge on the outlet pass) and the side walls.. The enhancement is more pronounced as the Rotation number is increased. The detailed measurements in a ribbed duct with vortex-generator rods clearly show localized regions of enhanced mass (heat) transfer at Reynolds and Rotation numbers within the envelope of practical interest for gas-turbine blade cooling applications.
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González, J. D., and C. Cristóbal-Pinto. "Park and Ride Operation in Madrid Region." In Second International Conference on Urban Public Transportation Systems. Reston, VA: American Society of Civil Engineers, 2004. http://dx.doi.org/10.1061/40717(148)16.

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Sewall, Evan A., and Danesh K. Tafti. "Large Eddy Simulation of Flow and Heat Transfer in the Developing Flow Region of a Rotating Gas Turbine Blade Internal Cooling Duct With Coriolis and Buoyancy Forces." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68519.

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The problem of accurately predicting the flow and heat transfer in the ribbed internal cooling duct of a rotating gas turbine blade is addressed with the use of large eddy simulations (LES). Four calculations of the developing flow region of a rotating duct with ribs on opposite walls are used to study changes in the buoyancy parameter at a constant rotation rate. The Reynolds number is 20,000, the rotation number is 0.3, and the buoyancy parameter is varied between 0.00, 0.25, 0.45, and 0.65. Previous experimental studies have noted that leading wall heat transfer augmentation decreases as the buoyancy parameter increases with low buoyancy, but heat transfer then increases with high buoyancy. However, no consistent physical explanation has been given in the literature. The LES results from this study show that the initial decrease in augmentation with buoyancy is a result of larger separated regions at the leading wall. However, as the separated region spans the full pitch between ribs with an increase in buoyancy parameter, it leads to increased turbulence and increased entrainment of mainstream fluid which is redirected toward the leading wall by the presence of a rib. The impinging mainstream fluid results in heat transfer augmentation in the region immediately upstream of a rib. The results obtained from this study are in very good agreement with previous experimental results.
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Miura, Takahiro, Koji Matsubara, Yoshiyuki Nagai, and Atsushi Sakurai. "Turbulent Flow and Heat Transfer in Initial Stage of Ribbed Channel." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22048.

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Direct numerical simulations were performed for air flows and related heat transfer in a developing region of the ribbed channel, where five ribs were attached to one wall. Three rib pitch-to-height ratios, Pi/H = 7, 4 and 2, were considered. The Reynolds number based on the bulk velocity and the channel width was 4,560. For the same parameters, simulations were also made for periodic fully developed cases. Although the largest rib pitch, Pi/H = 7, was the best choice for a heat transfer enhancement ratio in the fully developed cases, the enhancement ratio was larger for the smaller values of rib pitch, Pi/H = 4 or Pi/H = 2 in the initial region. Preference of smaller rib spacing in the initial region was found to come from: (1) the pressure drop was kept low due to the modest meandering of the stream lines; (2) downstream ribs were placed immediately behind the upstream ribs being exposed to the thin thermal layer; (3) the turbulent heat transport was active because of the fluctuation based on the Kelvin-Helmholtz type instability in Pi/H = 4 though fluctuation was weak in Pi/H = 2. Therefore, flow structures positively contributed the heat transfer enhancement of Pi/H = 4 and 2 in the developing region, and the smaller values of the rib pitch was recommended to be selected in such situations.
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Sadhwani, Dharmendra, and Ram Narayan Yadav. "Region based error rates computations for SQAM signals in AWGN channel." In 2017 International Conference on Recent Innovations in Signal processing and Embedded Systems (RISE). IEEE, 2017. http://dx.doi.org/10.1109/rise.2017.8378116.

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Lee, Dong Hyun, Dong-Ho Rhee, Hyung Hee Cho, and Hee-Koo Moon. "Heat Transfer Measurements in a Rotating Equilateral Triangular Channel With Various Rib Arrangements." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90973.

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The present research investigates the heat transfer characteristics in an equilateral triangular channel to simulate the leading edge cooling passage of a gas turbine blade. The experiments are conducted for the stationary and rotating ribbed channel with three different attack angles (45°, 90° and 135°). Square ribs are installed in a staggered manner on the pressure and suction side surfaces of the channel. The rib height to channel hydraulic diameter ratio (e/Dh) is 0.079 and the rib-to-rib pitch (p) is 8 times of the rib height. To measure regional-averaged heat transfer coefficients in the channel, two rows of copper blocks with heaters are installed on each surface. The rotation number ranges from 0.0 to 0.1 for the fixed Reynolds number of 10,000. Inlet coolant-to-surface density ratio is about 0.2. For the channel with 90° ribs, the heat transfer rates of all regions have similar values for stationary case. However, for the rotating channel, heat transfer coefficients on the pressure side surface are significantly increased while the suction side surface has quite low heat transfer coefficients due to a single rotating secondary flow induced by Coriolis force. For the channel with angled rib arrangements, a pair of counter-rotating vortices is induced by the angled rib arrangements. High heat transfer coefficients are obtained on the regions near the inner wall for 45° angled ribbed channel and near the leading edge for the 135° angled ribbed channel. The heat transfer coefficients in rotating channel with angled ribs are almost the same as those of stationary case for the tested conditions because the secondary flow dominates the heat transfer. The channel with angled ribs consistently yields better thermal performance than the transverse ribbed channel for the test conditions of the present study.
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Xie, Caike, Weiguo Zhao, and Yutian Liu. "Remote detecting low voltage ride through ability of DFIG." In TENCON 2015 - 2015 IEEE Region 10 Conference. IEEE, 2015. http://dx.doi.org/10.1109/tencon.2015.7372920.

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Reports on the topic "Ribe Region"

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Boniface, Gideon, and C. G. Magomba. Impact of COVID-19 on Food Systems and Rural Livelihoods in Tanzania – Round 2 Report. Institute of Development Studies (IDS), December 2020. http://dx.doi.org/10.19088/apra.2020.020.

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On 8 June 2020, the Government of Tanzania officially declared the country to be free of COVID-19 and all restrictions have since been lifted. As of 3 December 2020, Tanzania had only 509 confirmed cases of the virus and 21 deaths. Nevertheless, neighbouring countries are still facing the threat of the pandemic, all of which are key trading partners. Their continuing COVID-19 control measures have disrupted regional and domestic agricultural markets and affected local livelihoods and food systems. This study analysed the resulting impacts in those systems in several rice-producing communities in Morogoro Region, south-western Tanzania.
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Tiruneh, Dawit T., John Hoddinott, Caine Rolleston, Ricardo Sabates, and Tassew Woldehanna. Understanding Achievement in Numeracy Among Primary School Children in Ethiopia: Evidence from RISE Ethiopia Study. Research on Improving Systems of Education (RISE), May 2021. http://dx.doi.org/10.35489/bsg-rise-wp_2021/071.

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Ethiopia has succeeded in rapidly expanding access to primary education over the past two decades. However, learning outcomes remain low among primary school children and particularly among girls and children from disadvantaged backgrounds. Starting with a systematic review of quantitative studies on the determinants of learning outcomes among primary school children in Ethiopia, this study then examined key determinants of students’ numeracy achievement over the 2018-19 school year. The study focused on Grade 4 children (N=3,353) who are part of an on-going longitudinal study. The two questions that guided this study are: what are the key determinants of numeracy achievement at Grade 4 in primary schools in Ethiopia, and how does our current empirical study contribute to understanding achievement differences in numeracy among primary school children in Ethiopia? We employed descriptive and inferential statistics to examine factors that determine differences in numeracy scores at the start and end of the school year, as well as determinants of numeracy scores at the end of the school year conditional on achievement at the start of the school year. We examined differences across gender, region, and rural-urban localities. We also used ordinary least squares and school ‘fixed effects’ approaches to estimate the key child, household and school characteristics that determine numeracy scores in Grade 4. The findings revealed that boys significantly outperformed girls in numeracy both at the start and end of the 2018/19 school year, but the progress in numeracy scores over the school year by boys was similar to that of girls. Besides, students in urban localities made a slightly higher progress in numeracy over the school year compared to their rural counterparts. Students from some regions (e.g., Oromia) demonstrated higher progress in numeracy over the school year relative to students in other regions (e.g., Addis Ababa). Key child (e.g., age, health, hours spent per day studying at home) and school- and teacher-related characteristics (e.g., provision of one textbook per subject for each student, urban-rural school location, and teachers’ mathematics content knowledge) were found to be significantly associated with student progress in numeracy test scores over the school year. These findings are discussed based on the reviewed evidence from the quantitative studies in Ethiopia.
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Conley, Michael E. The Vietnam Petroleum Industry: Positioned for Growth but Ripe for Regional Complications. Fort Belvoir, VA: Defense Technical Information Center, October 2013. http://dx.doi.org/10.21236/ada593956.

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Chandrasekhar, C. P. The Long Search for Stability: Financial Cooperation to Address Global Risks in the East Asian Region. Institute for New Economic Thinking Working Paper Series, March 2021. http://dx.doi.org/10.36687/inetwp153.

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Forced by the 1997 Southeast Asian crisis to recognize the external vulnerabilities that openness to volatile capital flows result in and upset over the post-crisis policy responses imposed by the IMF, countries in the sub-region saw the need for a regional financial safety net that can pre-empt or mitigate future crises. At the outset, the aim of the initiative, then led by Japan, was to create a facility or design a mechanism that was independent of the United States and the IMF, since the former was less concerned with vulnerabilities in Asia than it was in Latin America and that the latter’s recommendations proved damaging for countries in the region. But US opposition and inherited geopolitical tensions in the region blocked Japan’s initial proposal to establish an Asian Monetary Fund, a kind of regional IMF. As an alternative, the ASEAN+3 grouping (ASEAN members plus China, Japan and South Korea) opted for more flexible arrangements, at the core of which was a network of multilateral and bilateral central bank swap agreements. While central bank swap agreements have played a role in crisis management, the effort to make them the central instruments of a cooperatively established regional safety net, the Chiang Mai Initiative, failed. During the crises of 2008 and 2020 countries covered by the Initiative chose not to rely on the facility, preferring to turn to multilateral institutions such as the ADB, World Bank and IMF or enter into bilateral agreements within and outside the region for assistance. The fundamental problem was that because of an effort to appease the US and the IMF and the use of the IMF as a foil against the dominance of a regional power like Japan, the regional arrangement was not a real alternative to traditional sources of balance of payments support. In particular, access to significant financial assistance under the arrangement required a country to be supported first by an IMF program and be subject to the IMF’s conditions and surveillance. The failure of the multilateral effort meant that a specifically Asian safety net independent of the US and the IMF had to be one constructed by a regional power involving support for a network of bilateral agreements. Japan was the first regional power to seek to build such a network through it post-1997 Miyazawa Initiative. But its own complex relationship with the US meant that its intervention could not be sustained, more so because of the crisis that engulfed Japan in 1990. But the prospect of regional independence in crisis resolution has revived with the rise of China as a regional and global power. This time both economics and China’s independence from the US seem to improve prospects of successful regional cooperation to address financial vulnerability. A history of tensions between China and its neighbours and the fear of Chinese dominance may yet lead to one more failure. But, as of now, the Belt and Road Initiative, China’s support for a large number of bilateral swap arrangements and its participation in the Regional Comprehensive Economic Partnership seem to suggest that Asian countries may finally come into their own.
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Zaman, S. M. Anisuz. The Rise of Mono-Ethnic Religious Nationalism in Myanmar and Its Impacts on the Security Situation of the South Asian Region. Portland State University Library, April 2020. http://dx.doi.org/10.15760/etd.7309.

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Sonnichsen, G. V., and G. Vilks. A Small Boat Seismic Reflection Survey of the Lougheed Island Basin - Cameron Island Rise - Desbarats Strait Region of the Arctic Island Channels using Open Water Leads. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/122497.

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Assaye, Abebaw, and Dawit Alemu. Impact of COVID-19 on Food Systems and Rural Livelihoods in Fogera Plain, Ethiopia - Round 2 Report . Institute of Development Studies (IDS), December 2020. http://dx.doi.org/10.19088/apra.2020.021.

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This report presents an assessment of the changes in effects of COVID-19 on agricultural commercialisation, food and nutrition security, labour and employment, and poverty and well-being in rural Ethiopia by comparing the results of a baseline household survey (R1) in late June 2020 with a follow-up survey (R2) in late October 2020. Data was collected from a stratified random sample of 106 smallholder rice farmer households (24 female and 82 male-headed) in five kebeles (villages) in the Fogera Plain area of Amhara Region. Data was also collected through 25 key informant interviews conducted in the kebeles.
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Klüsener, Sebastian, Brienna Perelli-Harris, and Nora E. Sánchez Gassen. Spatial aspects of the rise of nonmarital fertility across Europe since 1960: the role of states and regions in shaping patterns of change. Rostock: Max Planck Institute for Demographic Research, January 2012. http://dx.doi.org/10.4054/mpidr-wp-2012-005.

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Idrissa, Rahmane, and Bethany McGann. Mistrust and Imbalance: The Collapse of Intercommunal Relations and the Rise of Armed Community Mobilization on the Niger-Mali Border. RESOLVE Network, April 2021. http://dx.doi.org/10.37805/cbags2021.2.

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The border area of Mali, Niger, and Burkina Faso is a site of endemic violence. The area is punctuated by anti-state attacks, the targeted killing of traditional chiefs, and attacks on markets and other socioeconomic convening locales that otherwise serve as central mechanisms for the preservation of normalized intercommunal interactions. In addition, foreign military interventions and asymmetric insurgent warfare pit multiple state and non-state actors equipped with heavy weaponry against one another, adding another level of insecurity and threat to local communities. Community-based armed groups (CBAGs) of Fulani and Tuareg ethnicity have aligned themselves with outside actors carrying out operations in the region out of choice, coercion, or in some cases both. Building on other research reports in RESOLVE’s Community-Based Armed Groups Series, this report explores local perceptions regarding the nature and impact of the violence in southwestern Niger. The report provides a summary of understanding of ongoing conflict dynamics from the most impacted communities and an insight on the knowledge and attitudes around actors participating in the violence. It hopes to inform efforts to bring an end to the violence and increase understanding of participating actors.
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Forbes, D., and G. Manson. Sea-level rise and its implications for planning policy in the Halifax Regional Municipality (HRM) and other parts of Atlantic Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2012. http://dx.doi.org/10.4095/290174.

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