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Conference Paper 1990

Autor: Leeuw, P.N. de

Presents a comparative evaluation of population estimates based on data from ground and aerial surveys for a number of districts for which contemporary records are available. Gives an exploratory analysis of aerial surveys in six northern districts to detect trends in livestock populations over t...

Enlace original: https://cgspace.cgiar.org/handle/10568/50804

Investigación en Agricultura
Enlace permanente
Leeuw, P.N. de ,  [Livestock populations in Kenyan rangelands: An analysis of trends using census and aerial survey data] ,  Livestock populations in Kenyan rangelands: An analysis of trends using census and aerial survey data
Book 1981

Autor: Thalen, D.C.P.

Evaluates the usefulness of direct data collection from low-flying light aircraft for inventory & monitoring animal population & other rangeland features, viz. water bodies, vegetation structure & greenness and human settlements, for planning and management purposes.

Enlace original: https://cgspace.cgiar.org/handle/10568/4223

Investigación en Agricultura
Enlace permanente
Thalen, D.C.P. ,  [An approach to evaluating techniques for vegetation surveys on arid rangelands] ,  An approach to evaluating techniques for vegetation surveys on arid rangelands
Report 1995

Autor: Rincón Romero, M.E.
Enlace original: https://cgspace.cgiar.org/handle/10568/72207

Investigación en Agricultura
Enlace permanente

Rincón Romero, M.E. ,  [Evaluación de modelos de elevación digital con respecto al algoritmo e información] ,  Evaluación de modelos de elevación digital con respecto al algoritmo e información
Book 1981

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/10568/4208

Investigación en Agricultura
Enlace permanente
Grimsdell, J.J.R. ,  Bille, Jean-Claude ,  Milligan, K. ,  [Alternative methods of aerial livestock census] ,  Alternative methods of aerial livestock census

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