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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It clearly involves more work however to obtain an estimate of population size.
3.1.2 Eberhardt's Removal Method A simpler use of removal data to estimate
population size was suggested by Eberhardt (1982) and has been called the ...
1)*. 2. True density A 2.35 73 Thus the biased density estimated from the area of
the grid is _ Population estimate 127 mice - - imate = -. Biased. density estima
Size of study area 0.8 ha = 159 mice per ha - - 159 - Corrected density estimate =
Enumeration methods have a long history in population ecology, and their
simplicity makes them attractive. But all methods of enumeration suffer from a
negative bias—population estimates are always less than or equal to the true ...