## 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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4.1 Quadrat Size and Shape . ...

**Quadrat counts**have been used extensively on

plants, which rarely run away while being counted, but they are also suitable for

kangaroos or caribou if the person counting is swift of vision or has a camera.

In a simple situation the log of the variance will fall linearly with the log of

**quadrat**

size, and one critical parameter is how fast ... In many cases the amount of time or

money needed to

**count quadrats**of different sizes is directly proportional to ...

To calculate confidence limits on estimates of abundance from

**quadrat**data, you

need to know the spatial pattern of the individuals. If organisms are spread

randomly in space,

**counts**from

**quadrats**will fit a Poisson frequency distribution

in ...

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