Resultados de búsqueda - "Continente"

Assessing Africa’s environmental footprint: Unveiling cattle production variation across regions por Isiaho, Glarion, Mwema, Emmanuel, Van Der Hoek, Rein, Notenbaert, An, Gonzalez Quintero, Ricardo

“…The findings indicate that cattle systems in Africa exhibit a notably higher environmental impact from meat and milk production compared to both global and continental levels. This exerts significant pressure on environmental resources, potentially leading to long-term risks. …”
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Mapping potential soil erosion in East Africa using the Universal Soil Loss Equation and secondary data por Claessens, Lieven, Breugel, P. van, Notenbaert, An Maria Omer, Herrero, Mario, Steeg, Jeannette van de

“…In this paper, an attempt is made to analyze and map current soil erosion potential on the sub-continental scale. We use principles of the Universal Soil Loss Equation (USLE) and its reformulations to make a qualitative assessment of soil erosion in East Africa. …”
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Trends in solar radiation due to clouds and aerosols, Southern India, 1952-1997 por Biggs, Trent W., Scott, Christopher A., Rajagopalan, Balaji, Turral, Hugh

“…Reports of decreased cloudiness in other parts of continental Asia suggest that the cloud-aerosol trade-off observed in the Krishna basin may be widespread, particularly during the rainy seasons when changes in clouds have large effects on incoming radiation compared with aerosol forcing.…”
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Vertical distribution of heavy metals in soil profile in a seasonally waterlogging agriculture field in eastern Ganges Basin por Natarajan, Rajmohan, Prathapar, Sanmugam A., Jayaprakash, M., Nagarajan, R.

“…The average concentration of heavy metals was compared with published data such as concentration of heavy metals in Ganga River sediments, Ganga Delta sediments and upper continental crust (UCC), which apparently revealed that heavy metals such as Fe, Mn, Cr, Pb, Zn and Cd are influenced by the dynamic nature of flood plain deposits. …”
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Smallholder African farms in western Kenya have limited greenhouse gas fluxes por Pelster, David E., Rufino, Mariana C., Rosenstock, Todd S., Mango, Joash, Saiz, Gustavo, Díaz Pinés, Eugenio, Baldi, G., Butterbach-Bahl, Klaus

“…This case study is likely representative for low fertilizer input, smallholder systems across sub-Saharan Africa, providing critical data for estimating regional or continental GHG inventories. Low crop yields, likely due to low inputs, resulted in high (up to 67 g N2O-N kg−1 aboveground N uptake) yield-scaled emissions. …”
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An expert system model for mapping tropical wetlands and peatlands reveals South America as the largest contributor por Gumbricht, Thomas, Román Cuesta, Rosa María, Verchot, Louis V., Herold, Martin, Wittmann, Florian, Householder, Ethan, Herold, Nadine, Murdiyarso, Daniel

“…Our results suggest large biases in our current understanding of the distribution, area and volumes of tropical peat and their continental contributions.…”
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CIAT in Africa Roadmap 2017-2020 por International Center for Tropical Agriculture

“…We can – and must – harness science and agricultural research for development to drive agricultural growth and contribute to meeting the Sustainable Development Goals (SDGs), continental and national goals as envisaged under the Comprehensive Africa Agriculture Development Programme (CAADP) and other strategic frameworks with which CIAT’s work is aligned. …”
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Remote sensing and GIS modeling for selection of a benchmark research area in the inland valley agroecosytems of West and Central Africa por Thenkabail, Prasad S., Nolte, C., Lyon, J.

“…The Level 1 characterization involved macro-scale sub-continental- level secondary agroclimatic and soil datasets to produce 18 agroecological and soil zones (AESZ), each of over 10 million hectares, spread across West and Central Africa. …”
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Safety assessment of transgenic plums and grapevines expressing viral coat protein genes: New insights into real environmental impact of perennial plants engineered for virus resis... por Fuchs, M., Cambra, Mariano, Capote, Nieves, Jelkmann, W., Kundu, J., Laval, V., Martelli, G. P., Minafra, Angelantonio, Petrovic, N., Pfeiffer, P., Pompe-Novak, M., Ravelonandro, M., Saldarelli, Pasquale, Stussi-Garaud, C., Vigne, E., Zagrai, Luminita Antonela

“…Across all field trials conducted in different locations (France, Romania, and Spain) and environments (continental and Mediterranean), transgenic plums expressing the CP gene of Plum pox virus (PPV) and transgenic grapevines expressing the CP gene of Grapevine Janleaf virus (GFLV) had no detectable effect on the emergence of recombinant PPV and GFLV species over eight-ten and three years, respectively. …”
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Red colombiana de conservación de semillas por Amalia, Díaz, Castellanos Castro, Carolina, Calderón Hernández, Manuela, Guzmán, Manuel, Londoño Lemos, Viviana, Mancipe Murillo, Carolina, Suárez Ballesteros, Carlos, Sacco, Alice di, Santaella, Marcela, Jeniffer, Díaz

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Tropical forest succession increases taxonomic and functional tree richness but decreases evenness por Sande, Masha T. van der., Utrera, Luis P, Álvarez, Francisco S, Granda Moser, Vanessa A, y otros más

“…We used 22 forest chronosequence studies and 676 plots across the Neotropics to analyse successional changes in Hill's taxonomic and functional diversity of trees, and how these successional changes vary with continental-scale gradients in precipitation, soil pH and surrounding forest cover. …”
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Robinia pseudoacacia, una alternativa silvícola para el Alto Valle de Río Negro (Argentina). Parte II: aspectos dasonómicos por Jocou, Adriel Ian, Minué, Carlos Rogelio

“…Robinia pseudoacacia, originaria de Estados Unidos de América y naturalizada en diversos continentes, es la tercera latifoliada de rápido crecimiento más cultivada en el mundo. …”
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Low Genetic Diversity of the Only Clade of the Tick Rhipicephalus microplus in the Neotropics por Díaz-Sánchez, Sandra, Hernández-Triana, Luis M., Labruna, Marcelo B., Merino, Octavio, Mosqueda, Juan, Nava, Santiago, Szabó, Matías P.J., Tarragona, Evelina Luisa, Venzal, José Manuel, de La Fuente, José, Estrada-Peña, Agustín

“…These tests demonstrate that genetic diversity of the continental populations does not correlate either with the geographic distance among samples or with environmental variables. …”
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A land cover map of Latin America and the Caribbean in the framework of the SERENA project por Blanco, Paula Daniela, Colditz, Rene R., López Saldaña, Gerardo, Hardtke, Leonardo Andrés, Llamas, Ricardo M., Mari, Nicolás Alejandro, Fischer, Maria De Los Angeles, Caride, Constanza, Aceñolaza, Pablo Gilberto, del Valle, Hector Francisco, Lillo Saavedra, Mario F., Coronato, Fernando Raul, Opazo, Sergio A., Morelli, Fabiano, Anaya Acevedo, Jesús Adolfo, Sione, Walter Fabian, Zamboni, Pamela, Barrena Arroyo, Victor

“…The SERENA land cover map was produced with a legend and classification strategy similar to that used by the North American Land Change Monitoring System (NALCMS) to generate a land cover map of the North American continent, that will allow to combine both maps to generate consistent data across America facilitating continental monitoring and modeling.…”
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Flujos de agua y energía en los últimos cuarenta y dos años de agricultura en Argentina por Frank, Federico Carlos

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Programa de formación en manejo de frutales subtropicales

“…La situación actual de la fruticultura a nivel nacional continental esta provista de un optimo avance tecnológico enfocado principalmente a satisfacer plenamente el mercado nacional e internacional, en relación a esta situación, la fruticultura Rapa nui esta totalmente desprovista de recursos y adelantos técnicos, a través de estas experiencias adquiridas durante la actual pasantia nos permitirá que en un mediano plazo se puedan transmitir y adoptar nuevos sistemas de manejo incorporándolas a un medio privilegiado en donde el ciima juega un papel importante siendo uno de los lugares en donde se adecuan peñectamente todo tipo de cultivos, todas estas experiencias y la aplicación de las mismas nos promueve ampliar nuevas zonas de cultivo con tecnologfas que Incrementan notablemente la productividad. …”
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Genome-wide Insights of Ethiopian indigenous sheep populations reveal the population structure adheres to tail morphology than phylogeography por Agraw, A.A., Gurja, B., Yao, Kouadio N., Kyalo, M., Dessie, Tadelle, Kebede, A., Tesfaye, G., Domelevo Entfellner, Jean-Baka, Zewdu, E., Hanotte, Olivier H., Getinet, M.T.

“…To investigate the genetic relationships in greater detail and infer population structure of Ethiopian sheep populations at the continental and global levels, populations from east Africa (Kenya), north Africa (Egypt, Morocco), South Africa, Middle East and Asia were included. …”
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Volunteer based approach to dog vaccination campaigns to eliminate human rabies: Lessons from Laikipia County, Kenya por Ferguson, A.W., Muloi, Dishon M., Ngatia, D.K., Kiongo, W., Kimuyu, D.M., Webala, P.W., Olum, M.O., Muturi, M., Thumbi, Samuel M., Woodroffe, R., Murugi, L., Fèvre, Eric M., Murray, S., Martins, D.J.

“…This preventable Neglected Tropical Disease has a large impact across continental Africa, especially for rural populations living in close contact with livestock and wildlife. …”
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The one hundred tree species prioritized for planting in the tropics and subtropics as indicated by database mining por Kindt, R., Dawson, Ian K., Lillesø, Jens-Peter B., Muchugi, A., Pedercini, F., Roshetko, J.M., Noordwijk, M. van, Graudal, Lars, Jamnadass, Ramni H.

“…A comparison of the ‘top-100’ species with regionally-defined tree inventories indicated their diverse continental origins, as would be anticipated from a global analysis. …”
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Multiple factors influence the consistency of cropland datasets in Africa por Wei, Yanbing, Lu, Miao, Wu, Wenbin, Ru, Yating

“…In terms of spatial consistency, disagreement is about 37.9 % at continental scale, and the disparate proportion even exceeds 50 % in approximately 1/3 of the countries at national scale. …”
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