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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... sampling , as follows : 1. Define a set of distinct samples S1 , S2 , S3 ... in which certain specific sampling units are assigned to S1 , some to ... sampling because they can not be evaluated by the theorems 8.1 263 Simple Random Sampling.
... random sampling . The important question is whether such periodic variation exists in the ecological world . provided equally good estimates of the mean kangaroo density ... SAMPLING OF AERIAL TRANSECTS OF EQUAL 8.4 293 Systematic Sampling.
Charles J. Krebs. Simple random sampling is the easiest and most common sampling design . Each pos- sible sample unit must have an equal chance of being selected to obtain a random sample . All the formulas of statistics are based on random ...