## Ecological MethodologyThis coherent text translates the methods of statisticians into "ecological English" so that students may readily apply these methods to the real world. |

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The simplest methods add a

**boundary strip**around the trapping area to estimate

the effective size of area trapped. Figure 3.7 illustrates the principle of a

**boundary**

**strip**. The width of the

**boundary strip**can be estimated in several ways ...

Each nested grid will have a larger and larger area of

**boundary strip**as grid size

increases (Figure 3.9), and we can use the change in observed density to

estimate the width of the

**boundary strip**for the population being studied.

The Clark and Evans test (equation (6.4]) is unbiased only when a

**boundary strip**

is included in the study, but ecologists often do not use

**boundary strips**because

they wish to maximize sample size (e.g., Figure 6.1). If the Clark and Evans test ...

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Ecological Methodology Charles J. Krebs,CHARLES L. KREBS,Professor of Zoology Charles J Krebs No preview available - 1999 |