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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Natural mortality may occur between the first and second Petersen samples
without affecting the estimation if marked and unmarked animals have an equal
chance of dying between the first and second samples. The question of whether ...
... Green (g) Day 2: White (w) Day 3: Blue (b) Day 4: Orange (o) They obtained
the following set of captures: Day 1 (19 July): 57 marked green and released Day
2 (20 July): 52 captures; 25 g, 27 unmarked Day 3 (21 July): 52 captured; 8 g, 9 w
The trick Leslie used to analyze this situation was to take one step back and,
considering only the marked animals, define individuals caught only once as “
unmarked” animals and individuals caught twice or more as “marked” animals.