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Outlines some of the work being done by ILCA in the field of agroecological zonation and the use of models to predict the effect of environment on pastoral and agricultural systems. Includes plans for future developments and the potential benefits of the work.


Henricksen, B.L.[Determination des zones agro-ecologiques d'Afrique: travaux et projets du CIPEA]Determination des zones agro-ecologiques d'Afrique: travaux et projets du CIPEA

Evaluates relationship between NDVI (nomalized difference vegetation index) and above-ground biomass, between maximum NDVI and end-of-growing season biomass; and between the integral of the NDVI curve or NDVI increments overtime and actual biomass. Describes atmospheric interference and technical...


Hiernaux, Pierre H.Y.[Teledetection de l'evolution des ressources fourrageres par satellite: Progres dans l'etalonnage d'un indice radiometrique et premieres applications au Gourma (Sahel malien)]Teledetection de l'evolution des ressources fourrageres par satellite: Progres dans l'etalonnage d'un indice radiometrique et premieres applications au Gourma (Sahel malien)

This article presents an analysis of ERS-1 wind-scatterometer (WSC) data acquired over a region located in the northern Sahel. The considered period extends from January 1992 to December 1995, that is, covering four vegetation cycles. Experimental observations show that WSC responses at 45° of i...


Frison, P.L.Mougin, E.Hiernaux, Pierre H.Y.[Observations and interpretation of seasonal ERS-1 wind scatterometer data over northern Sahel (Mali)]Observations and interpretation of seasonal ERS-1 wind scatterometer data over northern Sahel (Mali)
Stuckens, J.Verstraeten, W.W.Verreynne, S.Swennen, R.L.Coppin, P.Dzikiti, S.[Physiological interpretation of a hyperspectral time series in a citrus orchard]Physiological interpretation of a hyperspectral time series in a citrus orchard

Integration of information from household surveys and data on land-cover changes derived from remote sensing helps to understand the causes and processes of land-use/land-cover changes. A household survey covering 552 households in 33 villages was carried out in the East Province of Cameroon. Thi...


Mertens, B.Sunderlin, William D.Ndoye, O.Lambin, E.F.[Impact of macroeconomic change on deforestation in South Cameroon: integration of household survey and remotely-sensed data]Impact of macroeconomic change on deforestation in South Cameroon: integration of household survey and remotely-sensed data

More effective control of the tsetse fly in Africa will reduce constraints imposed by the livestock disease, trypanosomiasis. Trypanosomiasis lowers livestock productivity, and in some areas, may limit the ability of farmers to keep livestock and plough the land using animal traction. Control of ...


Reid, Robin S.Wilson, C.J.Kruska, R.L.Mulatu, W.[Impacts of tsetse control and land-use on vegetative structure and tree species composition in south-western Ethiopia]Impacts of tsetse control and land-use on vegetative structure and tree species composition in south-western Ethiopia

Groundwater management practices need to take hydrogeology, the agro-climate and demand for groundwater into account. Since agroclimatic zones have already been demarcated by the Government of India, it would aid policy makers to understand the status of groundwater recharge and discharge in each...


Chinnasamy, PennanMaheshwari, B.Prathapar, Sanmugam A.[Understanding groundwater storage changes and recharge in Rajasthan, India through remote sensing]Understanding groundwater storage changes and recharge in Rajasthan, India through remote sensing

The recent forest fires in Indonesia have left severe scars on the environment and the economy. Remote sensing and GIS are being integrated and utilized to quantify the effects of the burning on the several local communities in West Kalimantan, Indonesia.


Dennis, R.A.Puntodewo, A.Colfer, C.J.P.[Fishermen, farmers, forest change and fire]Fishermen, farmers, forest change and fire

This study looks at the groundwater issues in the dry zone of Sri Lanka and shows how the use of remote sensing with high-resolution images can help in groundwater management. A new approach is developed for automatic extraction of the location of agrowells using high-spatial-resolution satellite...


Sood, AdityaManthrithilake, HerathSiddiqui, SalmanRajah, AmeerPathmarajah, S.[Managing shallow aquifers in the dry zone of Sri Lanka]Managing shallow aquifers in the dry zone of Sri Lanka

Large-scale estimates of the area of terrestrial surface waters have greatly improved over time, in particular through the development of multi-satellite methodologies, but the generally coarse spatial resolution (tens of kms) of global observations is still inadequate for many ecological applica...


Fluet-Chouinard, E.Lehner, B.Rebelo, Lisa-MariaPapa, F.Hamilton, S.K.[Development of a global inundation map at high spatial resolution from topographic downscaling of coarse-scale remote sensing data]Development of a global inundation map at high spatial resolution from topographic downscaling of coarse-scale remote sensing data

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