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 most common one is the negative binomial distribution, and in the ecological
literature today the two phrases negative binomial and aggregated patterns are
almost used as synonyms. But it is important to remember that once we leave the
pu = Mean of distribution k = negative-binomial exponent T = Gamma function (
see Appendix 1) The negative binomial is a unimodal frequency distribution like
the Poisson. Figure 4.6 shows how the shape of the negative binomial changes
Since many animals and plants have a clumped pattern, quadrat counts will often
be described by the negative binomial distribution instead of the Poisson (
Chapter 4). To estimate the sample size for a series of counts that fit a negative ...