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Registros recuperados: 7
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Besoins en informations des grossistes pour une augmentation du volume des échanges en Afrique de l’Ouest. AgEcon
Reports (in French) on Stakeholders' Market Information Needs to Engage in Regional Trade. Mali
Tipo: Working or Discussion Paper Palavras-chave: Market information; Guinea; Mali; Senegal; Agriculture; Food security; Trade; Agricultural and Food Policy; Food Security and Poverty; International Relations/Trade; Marketing; Q17.
Ano: 2008 URL: http://purl.umn.edu/57264
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EcoTroph: a simple model to assess fishery interactions and their impacts on ecosystems ArchiMer
Gasche, Loic; Gascuel, Didier.
The EcoTroph model leaves aside the notion of species, and models the functioning of marine ecosystems as flows of biomass from low to high trophic levels, so as to quantify easily the impacts of fishing at an ecosystem scale. In this paper, based on two case studies we present a new development of the EcoTroph model that is devoted to the analysis of fishery interactions and impacts of fleet segments on ecosystems. First, deriving an EcoTroph model from an Ecopath model of the Guinea ecosystem, the impacts of the artisanal fishery are distinguished from those of the industrial fishery. It appears that these fisheries do not always compete for the same fish groups but that they both strongly impact the ecosystem and moderately impact one another. Then, an...
Tipo: Text Palavras-chave: Ecopath; Ecosystem modelling; EcoTroph; Fishery interactions; Fishing impact; Guinea; Management scenario; Small pelagics; Southern Benguela.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00138/24970/23123.pdf
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Estimation of Actual and potential adoption rates and determinants of a new technology not universally known in the population: The case of NERICA rice varieties in Guinea AgEcon
Diagne, Aliou; Sogbossi, Marie-Josee; Simtowe, Franklin; Diawara, Sekou; Diallo, Abdoulaye Sadio; Barry, Alpha Bacar.
The NERICA (New Rice for Africa) rice varieties, developed by the Africa Rice Center during the 1990s, are providing hopes for raising the productivity of upland rice farmers in Africa because of their reported high yield potential and adaptability to the African conditions. The varieties are new and not widely disseminated in farming communities and there is lot of interest in the donor community in knowing their potential for widespread adoption across sub-Saharan Africa (SSA). However, when a technology is new and the target population is not universally exposed it, the observed sample adoption rate and classical models of adoption widely used in adoption studies does not inform reliably on its potential adoption and constraint to it in the full...
Tipo: Conference Paper or Presentation Palavras-chave: NERICA varieties; Technology Diffusion and adoption; Average Treatment Effect; Guinea; International Development; Research Methods/ Statistical Methods; C13; O33; Q12; Q16.
Ano: 2009 URL: http://purl.umn.edu/51644
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Genomic Selection with Allele Dosage in Panicum maximum Jacq. Repositório Alice
LARA, L. A. de C.; SANTOS, M. F.; JANK, L.; CHIARI, L.; VILELA, M. de M.; AMADEU, R. R.; SANTOS, J. P. R. dos; SILVA, F. G. da; ZENG, Z.-B.; GARCIA, A. A. F..
Genomic selection is an efficient approach to get shorter breeding cycles in recurrent selection programs and greater genetic gains with selection of superior individuals. Despite advances in genotyping techniques, genetic studies for polyploid species have been limited to a rough approximation of studies in diploid species. The major challenge is to distinguish the different types of heterozygotes present in polyploid populations. In this work, we evaluated different genomic prediction models applied to a recurrent selection population of 530 genotypes of Panicum maximum, an autotetraploid forage grass. We ,also investigated the effect of the allele dosage in the prediction, i.e., considering tetraploid (GS-TD) or diploid (GS-DD) allele dosage. A...
Tipo: Artigo de periódico Palavras-chave: Plant breeding; Guinea; Genotyping; Polyploidy; Genomics; Prediction.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1117941
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Recensement des besoins d’information des opérateurs économiques pour une augmentation du volume des échanges entre la Guinée, le Mali, le Niger et le Sénégal AgEcon
Reports (in French) on Stakeholders' Market Information Needs to Engage in Regional Trade. Guinea
Tipo: Working or Discussion Paper Palavras-chave: Market information; Guinea; Mali; Senegal; Agriculture; Food security; Trade; Agricultural and Food Policy; Food Security and Poverty; Marketing; Q17.
Ano: 2008 URL: http://purl.umn.edu/57263
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Transmission des fluctuations et calcul des prix de parité à l’importation du riz en et du maïs en Guinée AgEcon
Diakite, Yacouba.
Calculation of maize and rice parity prices in Guinea.
Tipo: Working or Discussion Paper Palavras-chave: Food security; Guinea; Parity prices; Markets; Agricultural and Food Policy; Community/Rural/Urban Development; Food Security and Poverty; International Development; International Relations/Trade; Marketing; Q11; Q18.
Ano: 2010 URL: http://purl.umn.edu/62167
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Use of antivenoms for the treatment of envenomation by Elapidae snakes in Guinea, Sub-Saharan Africa J. Venom. Anim. Toxins incl. Trop. Dis.
Baldé,Mamadou C; Chippaux,Jean-Philippe; Boiro,Mamadou Y; Stock,Roberto P; Massougbodji,Achille.
Background In Guinea Elapids are responsible for 20% of envenomations. The associated case fatality rate (CFR) ranged 15-27%, irrespective of treatment. Results We studied 77 neurotoxic envenomations divided in 3 groups: a set of patients that received only traditional or symptomatic treatments, and two other groups that received either 2 or 4 initial vials of Antivipmyn® Africa renewed as necessary. CFR was 27.3%, 15.4% and 17.6%, respectively. Although antivenom treatment was likely to reduce CFR, it didn’t seem to have an obvious clinical benefit for the patients, suggesting a low treatment efficacy. Mean delay to treatment or clinical stages were not significantly different between the patients who recovered and the patients who died, or between...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Elapid; Neurotoxins; Treatment; Antivenom; Guinea; Africa.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992013000100304
Registros recuperados: 7
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