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Conference Paper 1983

Autor: Bille, Jean-Claude

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.

Enlace original: https://cgspace.cgiar.org/handle/10568/49922

Investigación en Agricultura
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Bille, Jean-Claude ,  [L'evolution du milieu] ,  L'evolution du milieu
Working Paper 1982

Autor: Bille, Jean-Claude

Describes changes in rangeland utilization (human activity) which affect the environment, and especially the primary productivity. Presents the data collection methodology including measured parameters, methodology including measured parameters, methodological constraints and proposed method; and...

Enlace original: https://cgspace.cgiar.org/handle/10568/4262

Investigación en Agricultura
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Bille, Jean-Claude ,  [The measurement of the conditions and trends in the southern rangelands of Ethiopia] ,  The measurement of the conditions and trends in the southern rangelands of Ethiopia
Working Paper 1984

Autor: Bille, Jean-Claude

Discusses, briefly, the principle of radiometric measurements and presents results of ground measurements on reflectance, grass cover (both green plants & total cover), and grass biomass in Sidamo, Ethiopia. Includes analysis of the correlation of the normalized difference green vegetation index ...

Enlace original: https://cgspace.cgiar.org/handle/10568/4260

Investigación en Agricultura
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Bille, Jean-Claude ,  [Radiometric measurements] ,  Radiometric measurements
Book Chapter 1986

Autor: Grimsdell, J.J.R. Bille, Jean-Claude Milligan, K.

Discusses six alternative methods for estimating livestock populations based on aerial surveys, mentioning two main factors which affect the resulting population estimates, particularly sampling fraction and the degree of aggregation or clumping of the population being sampled.

Enlace original: https://cgspace.cgiar.org/handle/10568/10828

Investigación en Agricultura
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Grimsdell, J.J.R. ,  Bille, Jean-Claude ,  Milligan, K. ,  [Autres methodes de recensement aerien du betail] ,  Autres methodes de recensement aerien du betail
Working Paper 1980

Autor: Bille, Jean-Claude Anderson, F.M.

Presents results of a former survey conducted to establish a baseline understanding of the production system at Elangat Wuas group ranches in Kajiado district, Kenya. Describes the ranch in relation to rainfall, infrastructure, vegetation & land units and nutritional value of the range. Discusses...

Enlace original: https://cgspace.cgiar.org/handle/10568/4263

Investigación en Agricultura
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Bille, Jean-Claude ,  Anderson, F.M. ,  [A synthesis of observations on Elangata Wuas group ranch in Kajiado District] ,  A synthesis of observations on Elangata Wuas group ranch in Kajiado District
Working Paper 1979

Autor: Bille, Jean-Claude Heemstra, H.H.

Monthly and annual rainfall probabilities for various climatic zones of Kenya spec. arid zone, semi-arid zone, sub-humid zone and humid zone.

Enlace original: https://cgspace.cgiar.org/handle/10568/4264

Investigación en Agricultura
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Bille, Jean-Claude ,  Heemstra, H.H. ,  [An illustrated introduction to the rainfall patterns of Kenya] ,  An illustrated introduction to the rainfall patterns of Kenya
News Item 1997

Autor: Bille, Jean-Claude

Jean-Claude Bille is on agricultural scientist with ORSTOM and a specialist in pastoralism. During his career he has worked in Central Africa, Senegal, Kenya and Ethiopia. Now approaching retirement after twenty years of experience in Africa, he has...

Enlace original: https://cgspace.cgiar.org/handle/10568/48689

Investigación en Agricultura
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Bille, Jean-Claude ,  [Pastoralism finds a new equilibrium] ,  Pastoralism finds a new equilibrium
Conference Paper 1986

Autor: Bille, Jean-Claude

Discusses the results of the measurement of environmental changes in grazed ecosystems with reference to correlated changes in livestock management in Kenya; includes techniques used to measure the changes, and proposed methods; presents data on a case study at a group ranch located in western Ke...

Enlace original: https://cgspace.cgiar.org/handle/10568/51193

Investigación en Agricultura
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Bille, Jean-Claude ,  [The measurement of changes in tropical rangelands ecosystems] ,  The measurement of changes in tropical rangelands ecosystems
Report 1983

Autor: Bille, Jean-Claude Eshete, A.

Presents data on the geomorphology, vegetation structure and ecological units identified at Medacho & Did Hara areas of Ethiopia, comparing effects of rangeland utilization in order to derive conclusions on their management by pastoralists, with particular reference to grazing pressures applied t...

Enlace original: https://cgspace.cgiar.org/handle/10568/4656

Investigación en Agricultura
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Bille, Jean-Claude ,  Eshete, A. ,  [Rangelands management and range condition: A study in the Medacho and Did Hara areas of the effects of rangeland utilization] ,  Rangelands management and range condition: A study in the Medacho and Did Hara areas of the effects of rangeland utilization
Report 1983

Autor: Bille, Jean-Claude

Simplified description of total annual rainfall, monthly rainfall, annual variations & spatial distribution in the Southern, North-Eastern & Jijiga rangeland development units where livestock development efforts are under way. Measures risks associated with dif. forms of livestock production & as...

Enlace original: https://cgspace.cgiar.org/handle/10568/4655

Investigación en Agricultura
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Bille, Jean-Claude ,  [The climatic risks to livestock production in the Ethiopian rangelands (southern, north-eastern and Jijiga Rangeland Development Units)] ,  The climatic risks to livestock production in the Ethiopian rangelands (southern, north-eastern and Jijiga Rangeland Development Units)

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