Reviews procedures for obtaining reliable information on animal populations, other ecological features and land use generally from low-flying aircraft by direct observation or conventional photography, with reference to types of sampling unit, and the relative merits of unstratified systematic an...
Cardona Mejía, César
,
Rodríguez Torres, Isaura Viviana
,
Bueno Mondragon, J.M.
,
Tapia, X
,
[Manejo de la mosca blanca o palomilla en los cultivos de frejol y vainita]
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Manejo de la mosca blanca o palomilla en los cultivos de frejol y vainita
Cardona Mejía, César
,
Rodríguez Torres, Isaura Viviana
,
Bueno Mondragon, J.M.
,
[Manejo de la mosca blanca o palomilla en los cultivos de habichuela y frijol]
,
Manejo de la mosca blanca o palomilla en los cultivos de habichuela y frijol
Presents workshop papers & discussion summaries on the development of low-level aerial survey techniques and presents applications to livestock, wildlife and land-use surveys. Reviews survey designs and sampling procedures as well as problems of bias, levels, from ground survey to satellite image...
Discusses the choice of sampling design for low-level aerial surveys, with particular reference to stratification and the choice between systematic and random sampling.
Moreira, FMS
,
Huising, Jeroen
,
Bignell, D.E.
,
[A handbook of tropical soil biology: sampling and characterization of below-ground biodiversity]
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A handbook of tropical soil biology: sampling and characterization of below-ground biodiversity