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Autor: Stewart, R.A.

Presents a collection of conference papers defining pastoral systems research; the survey and diagnostic phase of pastoral systems research; ILCA's experience in remote sensing techniques and aerial surveys; survey of vegetation resources; livestock productivity and animal nutrition; pastoral pro...


Stewart, R.A.[Pastoral systems research in sub-Saharan Africa]Pastoral systems research in sub-Saharan Africa

Describes the geology, relief, climate, major soil types, vegetation zones and land use patterns of the subhumid zone of Nigeria. Presents results of studies on natural forage productivity & composition and forage production constraints.


Mohamed-Saleem, M.A.[The ecology, vegetation and land use of subhumid Nigeria]The ecology, vegetation and land use of subhumid Nigeria

Describes techniques of long-and short-term measurements of changes in vegetation and feed resources in pastoral systems, with particular reference to sampling techniques and costs of the various methods.


Bille, Jean-Claude[L'evolution du milieu]L'evolution du milieu

Rippstein, GAmézquita Collazos, EdgarEscobar, G.Grollier, C[Condiciones naturales de la sabana]Condiciones naturales de la sabana

This report concludes my six-months internship within the Consultative Group on International Agricultural Research (CGIAR)'s Systemwide Livestock Programme. I was involved in the project \Optimizing livelihood and environmental benefits from crop residues n smallholders crop-livestock systems in...


Frelat, Romain[Development of an open source tool to analyze Vegetation Index from Remote Sensing data: Internship report]Development of an open source tool to analyze Vegetation Index from Remote Sensing data: Internship report

The distribution and composition of the tree component inside cocoa agroforests plays an important role in the economic and ecological services offered by these plantations. The presence of these plant components appears to be influenced by several factors controlling the introduction and managem...


Sonwa, D.J.Weise, S.F.Nkongmeneck, B.A.Tchatat, M.Janssens, M.[Structure and composition of cocoa agroforests in the humid forest zone of Southern Cameroon]Structure and composition of cocoa agroforests in the humid forest zone of Southern Cameroon

patial self-organization of dryland vegetation constitutes one of the most promising indicators for an ecosystem’s proximity to desertification. This insight is based on studies of reaction–diffusion models that reproduce visual characteristics of vegetation patterns observed on aerial photograph...


Bastiaansen, R.Jaibi, O.Deblauwe, V.Eppinga, M.B.Siteur, K.Siero, E.Mermoz, S.Bouvet, A.Doelman, A.Rietkerk, M.[Multistability of model and real dryland ecosystems through spatial self-organization]Multistability of model and real dryland ecosystems through spatial self-organization

In Montane Southeast Asia, deforestation and unsuitable combinations of crops and agricultural practices degrade soils at an unprecedented rate. Typically, smallholder farmers gain income from “available” land by replacing fallow or secondary forest by perennial crops. We aimed to understand how ...


Lacombe, GuillaumeValentin, ChristianSounyafong, P.Rouw, Anneke deSoulileuth, B.Silvera, N.Pierret, A.Sengtaheuanghoung, OlothRibolzi, Olivier[Linking crop structure, throughfall, soil surface conditions, runoff and soil detachment: 10 land uses analyzed in northern Laos]Linking crop structure, throughfall, soil surface conditions, runoff and soil detachment: 10 land uses analyzed in northern Laos
Zubair, M.Saleem, A.Baig, M.A.Islam, M.Razzaq, A.Gul, S.Ahmad, S.Moyo, H.P.Hassan, S.Rischkowsky, Barbara A.Ibrahim, Mohamed N.M.Louhaichi, M.[The influence of protection from grazing on Cholistan desert vegetation, Pakistan]The influence of protection from grazing on Cholistan desert vegetation, Pakistan

Serrao, Emanuel Adilson de SouzaMoreno Ruiz, Miguel AntonioVeiga, Jonas Bastos da[Experiencia regional con Centrosema:Brasil, zona tropical húmeda]Experiencia regional con Centrosema:Brasil, zona tropical húmeda

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