Search Results - distribution spatiale

Climate change impact on cultivated and wild cacao in Peru and the search of climate change-tolerant genotypes by Ceccarelli, Viviana, Fremout, Tobias, Zavaleta, Diego, Lastra, Sphyros, Imán Correa, Sixto Alfredo, Arévalo Gardini, Enrique, Rodriguez, Carlos Armando, Cruz Hilacondo, Wilbert Eddy, Thomas, Evert

“…Methods: Drawing on 19,700 and 1,200 presence points of cultivated and wild cacao, respectively, we modelled their suitability distributions using multiple ensemble models constructed based on both random and target group selection of pseudo-absence points and different resolutions of spatial filtering. …”
Get full text
Get full text

Current trends in River Bathymetry using UAV-borne technology to inform E-flow assessments in Southern Africa by Singh, K.

“…Southern Africa is characterized by uneven water distribution and quality challenges which exacerbates these issues. …”
Get full text

Assessment of the water resources potential and quality in the Gergera Watershed Atsbi-Womberta Woreda, eastern Zone, Tigray, Ethiopia by Berhane, H.

“…Hence, the information on spatial and temporal availability of water will be helpful for the optimum utilization and sustainability of water resource. …”
Get full text

Climate vulnerability assessment and development of adaptation strategies for agricultural value chains in Nampula and Zambézia, Mozambique by Mwungu, Chris, Osiemo, Jamleck, Koech, Grace, Majambo, Gamoyo, Chege, Christine, Binge, Brenda, Chilambe, Pedro

“…These indicators are standardised and combined into a composite index, which helps in mapping the spatial distribution of climate hazards and socio-economic vulnerabilities. …”
Get full text

Landscape-scale variation in the structure and biomass of the hill dipterocarp forest of Sumatra: Implications for carbon stock assessments by Laumonier, Y., Kanninen, M., Munandar, A.W.

“…There are still considerable uncertainties about carbon stocks in tropical rain forest, coming essentially from poor knowledge of the quantity and spatial distribution of forest biomass at the landscape level. …”
Get full text

Pathogenic variation of Phakopsora pachyrhizi infecting soybean in Nigeria by Twizeyimana, M., Ojiambo, P.S., Sonder, Kai, Ikotun, T., Hartman, G.L., Bandyopadhyay, Ranajit

“…Geostatistical analysis indicated that the spatial influence of disease severity at one location on severity at other locations was between 75 and 120 km. …”
Get full text

Criterios económicos para diseñar un pago por servicios ambientales basado en el modelo de von Thünen by Pitacuar Meneses, M. Lixmania, Navarro, Guillermo A., Velásquez Mazariegos, Sergio, Murillo Rodríguez, Carlos, Finegan, Bryan

Get full text

Investigación sobre sistemas de producción agrícola para el pequeño agricultor del trópico by Soria V, J., BAZAN, R, Pinchinat, A.M, Paez, G, Mateo, N, Moreno, R, Fargas, J, Forsythe, W.

“…The study included various spatial and chronological patterns of monocropping, intercropping and crop-rotation of the following crop species, bean, corn, cassava, and sweet potato. …”
Get full text

Characterizing and evaluating the impacts of national land restoration initiatives on ecosystem services in Ethiopia by Abera, Wuletawu, Tamene, Lulseged D., Tibebe, Degefie, Adimassu, Zenebe, Kassa, Habtemariam, Hailu, Habtamu, Mekonnen, Kindu, Desta, Gizaw, Sommer, Rolf, Verchot, Louis V.

“…Tremendous land management practices have been implemented across the country since the 1970s. However, the spatial distribution of the interventions has not been documented, and there is no systematic, quantitative evidence on whether land restoration efforts have achieved the restoration of desired ecosystem services. …”
Get full text

Mapping suitability for rice production in inland valley landscapes in Benin and Togo using environmental niche modeling by Akpoti, K., Kabo-bah, A.T., Dossou-Yovo, Elliott Ronald, Groen, T.A., Zwart, Sander J.

“…Yet, there is limited information on the spatial distribution of IVs suitability at the national scale. …”
Get full text

Technical and environmental characterization of dual-purpose cattle farms and ways of improving production: A case study in Colombia by González Quintero, Ricardo, Barahona Rosales, Rolando, Bolívar Vergara, Diana María, Chirinda, Ngonidzashe, Arango, Jacobo, Pantévez, Heiber Alexander, Correa Londoño, Guillermo, Sánchez Pinzón, María Solange

“…According to FAMD, for the components General Farm Information, Herd Composition and Management, Pasture Management, and Production Information, the distribution of variables led to a spatial separation of the centroid from each category of producers. …”
Get full text

A temperature-driven model for potato yellow vein virus transmission efficacy by Trialeurodes vaporariorum (Hemiptera: Aleyrodidae) by Gamarra, H., Carhuapoma, Pablo, Cumapa, L., González, G., Muñoz, J., Sporleder, M., Kreuze, Jan F.

“…Simulated risk maps for the year 2050 revealed that climate change may significantly affect, the risk of distribution, generally reducing in tropical areas of the world, but increasing in the temperate regions.…”
Get full text

Climate-Based Suitability Assessment for Methane Mitigation by Water Saving Technology in Paddy Fields of the Central Plain of Thailand by Prangbang, Punyaporn, Yagi, Kazuyuki, Aunario, Jorrel Khalil S, Sander, Björn Ole, Wassmann, Reiner, Jäkel, Thomas, Buddaboon, Chitnucha, Chidthaisong, Amnat, Towprayoon, Sirintornthep

“…In this study, we applied a methodology developed for assessing the climatic suitability of AWD to paddy fields in the central plain of Thailand in order to determine the potential spatial and temporal boundaries given by climatic and soil parameters that could impact on the applicability of AWD. …”
Get full text

Veterinary epidemiology at ILRAD and ILRI, 1987–2018 by Perry, Brian D., Bett, Bernard K., Fèvre, Eric M., Grace, Delia, Randolph, Thomas F.

“…Topics include scientific impacts; economic impact assessment; developmental impacts; capacity development; partnerships; impacts on human resources capacity in veterinary epidemiology; impacts on national animal health departments and services; impacts on animal health constraints in developing countries; impacts on ILRI's research and strategy; the introduction of veterinary epidemiology and economics at ILRAD; field studies in Kenya; tick-borne disease dynamics in eastern and southern Africa; heartwater studies in Zimbabwe; economic impact assessments of tick-borne diseases; tick and tick-borne disease distribution modelling; modelling the infection dynamics of vector-borne diseases; economic impact of trypanosomiasis; the epidemiology of resistance to trypanocides; the development of a modelling technique for evaluating control options; sustainable trypanosomiasis control in Uganda and in the Ghibe Valley of Ethiopia; spatial modelling of tsetse distributions; preventing and containing trypanocide resistance in the cotton zone of West Africa; rabies research; the economic impacts of rinderpest control; applying economic impact assessment tools to foot and mouth disease (FMD) control, the southern Africa FMD economic impact study; economic impacts of FMD in Peru, Colombia and India; economic impacts of FMD control in endemic settings in low- and middle-income countries; the global FMD research alliance (GFRA); Rift Valley fever; economic impact assessment of control options and calculation of disability-adjusted life years (DALYs); RVF risk maps for eastern Africa; land-use change and RVF infection and disease dynamics; epidemiology of gastrointestinal parasites; priorities in animal health research for poverty reduction; the Wellcome Trust Epidemiology Initiatives; the broader economic impact contributions; the responses to highly pathogenic avian influenza; the International Symposium on Veterinary Epidemiology and Economics (ISVEE) experience, the role of epidemiology in ILRAD and ILRI and the impacts of ILRAD and ILRI's epidemiology; capacity development in veterinary epidemiology and impact assessment; impacts on national animal health departments and services; impacts on animal health constraints in developing countries and impacts on ILRI's research and strategy.…”
Get full text

Where might we find ecologically intact communities? by Plumptre, A.J., Baisero, D., Belote, R.T., Vázquez-Domínguez, E., Faurby, S., Jȩdrzejewski, W., Kiara, Henry K., Kühl, H., Benítez-López, A., Luna Aranguré, C., Voigt, M., Wich, S., Wint, W., Gallego-Zamorano, J., Boyd, C.

“…Three datasets are combined on species loss at sites to create a new spatially explicit map of numbers of species extirpated. …”
Get full text

Bioecology of fall armyworm Spodoptera frugiperda (J. E. Smith), its management and potential patterns of seasonal spread in Africa by Niassy, S., Agbodzavu, K.M., Kimathi, E.K., Mutune, B., Abdel-Rahman, E.M., Salifu, D., Hailu, G., Belayneh, Y.T., Felege, E., Tonnang, Henri E.Z., Ekesi, S., Subramanian, S.

“…We also analysed the effect of rainfall and the spatial and temporal distribution of FAW populations. …”
Get full text

Parasitic weed incidence and related economic losses in rice in Africa by Rodenburg, J., Demont, M., Zwart, Sander J., Bastiaans, L.

“…A systematic search of public international and national herbaria and the scientific literature was conducted to collect all available data on the regional distribution, incidences and related yield losses of the most important parasitic weeds in rice. …”
Get full text

RGB Image Dataset of Urochloa Hybrids for High-Throughput Phenotyping and Artificial Intelligence Applications by Arrechea-Castillo, Darwin Alexis, Espitia Buitrago, Paula Andrea, Florian Vargas, David Alberto, Estupinan Arboleda, Ronald David, Velazquez Hernandez, Riquelmer, Camelo Munevar, Rodrigo Andres, Cardoso Arango, Juan Andres

“…The capture distance varied from 1 to 3 meters, resulting in images with differing spatial resolutions. Additionally, several capture angles were employed: no longer just nadir views but also oblique and frontal angles. …”
Get full text

Food policy liberalization in Bangladesh: how the government and the markets delivered by Chowdhury, Nuimuddin, Farid, Nasir, Roy, Devesh

“…In order to account for the expected global changes under the Doha round, simulations using competitive spatial-equilibrium models for the world’s rice and wheat markets forecast increase in prices for rice and wheat by 21.7% and 10.1% respectively by 2013. …”
Get full text

Mapping and Monitoring Fractional Woody Vegetation Cover in the Arid Savannas of Namibia Using LiDAR Training Data, Machine Learning, and ALOS PALSAR Data by Wessels, Konrad, Mathieu, Renaud, Knox, Nichola, Main, Russell, Naidoo, Laven, Steenkamp, Karen

“…This was the first attempt to produce SAR-derived FWC maps for Namibia and the maps contain substantially more detailed spatial information on woody vegetation structure than existing national maps. …”
Get full text