Abstract
This is one of four approaches to the absolute population estimate; the other three being the spacing or nearest neighbour methods (p. 47), methods utilizing marked individuals (p. 70) and removal trapping (p. 230). In this approach the habitat is sampled and the contained animals along with it. Hence two separate measurements have to be made: the total number of animals in the unit of the habitat sampled and the total number of these units in the whole habitat of the population being studied. The second may involve the use of the techniques of the botanist, forester, surveyor or hydrologist and cannot be considered in detail here (see also Strickland, 1961). The first concerns the extraction of animals from the samples and sometimes the taking of samples; this and the next two chapters will be concerned mainly with these problems in two biotic (plants and vertebrate animals) and three physical habitats (air, soil and freshwater).
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© 1978 T. R. E. Southwood
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Southwood, T.R.E. (1978). Absolute Population Estimates by Sampling a Unit of Habitat — Air, Plants, Plant Products and Vertebrate Hosts. In: Ecological Methods. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-7291-0_4
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