Benjamin/Cummings, 1999 - Science - 620 pages
This coherent text translates the methods of statisticians into "ecological English" so that students may readily apply these methods to the real world. Ecological Methodology, Second Edition provides a balance of material on animal and plant populations. It teaches students of ecology how to design the most efficient tests in order to obtain maximum precision with minimal work. The first part of the text focuses on biological and technical issues in statistical methodology. Students learn about advances that have been made in designing better sampling devices, along with the techniques and equipment used for sampling. The second part deals with creating solid statistical design, and presents all methods that are well-known to statisticians in a language and context that students will easily understand.
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The behavior of individuals in the vicinity of the trap. 2. Learning by animals
already caught to come to or to avoid traps (trap-addicted or trap-shy animals). 3.
Unequal opportunity to be caught because of trap positions. Some forms of
If the traps used are attractive to animals, so that individuals are attracted into the
study area, the assumption that the population is closed will be violated, and this
method should not be used. If a removal study is being conducted, and the ...
Figure 3.11 Trapping web design for estimating population density. Traps are laid
out in a radial pattern. Sixteen lines are shown in this example, with 17 traps in
each line, equally spaced from the center of the web. One ring is illustrated that ...