Ecological MethodologyThis 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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... Petersen method upside down and ask , given a rough estimate of popu- lation size ( N ) , How large a sample do I need to take to get a good estimate of abundance ? This is a key question for a great deal of ecological work that uses ...
... Petersen sample . This balance of M C is the point of minimum effort in terms of numbers of animals that need to be handled to achieve a given level of precision . I cannot overemphasize the importance of going through this sample size ...
... Petersen calculations . The recruitment of young animals into the catchable population between the first and second samples tends to decrease the proportion of marked animals in the second sample and thus inflate the Petersen estimate ...