## Ecological MethodologyEcological Methodology, Second Edition provides a balance of material on animal and plant populations, and teaches students of ecology how to design efficient tests in order to obtain maximum precision with minimal work. |

### From inside the book

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Page 11

This is the central question of many ecological studies. If you wish to harvest a

lake trout population, one necessary bit of information is the size of the

population ...

**ABUNDANCE**. IN. ANIMAL. AND. PLANT. POPULATIONS. How many are there?This is the central question of many ecological studies. If you wish to harvest a

lake trout population, one necessary bit of information is the size of the

population ...

Page 64

64 3.1.1 Wiegerfs Method 68 3.1.2 Hendricks' Method 68 3.2 Statistical

Distributions 72 3.2.1 Poisson Distribution 73 3.2.2 Negative Binomial

Distribution 81 3.3 ...

**Abundance**: Quadrat. Counts. and. Line. Transects. 3. 1 Quadrat Size and Shape64 3.1.1 Wiegerfs Method 68 3.1.2 Hendricks' Method 68 3.2 Statistical

Distributions 72 3.2.1 Poisson Distribution 73 3.2.2 Negative Binomial

Distribution 81 3.3 ...

Page 368

... based on the number of species that occur in only one quadrat. Heterogeneity

measures confound species richness and evenness in a single index of diversity.

Two statistical distributions have been commonly fitted to species

... based on the number of species that occur in only one quadrat. Heterogeneity

measures confound species richness and evenness in a single index of diversity.

Two statistical distributions have been commonly fitted to species

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### Other editions - View all

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

### Common terms and phrases

abundance aerial analysis aphids Appendix assumptions bias calculations capture Caughley Chapter clumped coefficient of variation confidence interval confidence limits defined density estimate distance ecological ecologists END-OF-FILE equal catchability equation estimate of population estimate population example Figure finite population FORMAT 2X,'ENTER formula frequency distribution index of dispersion level of precision line transect mark-recapture marked animals Morisita nearest neighbor negative binomial distribution niche breadth niche overlap normal distribution null hypothesis Number of animals Number of individuals number of quadrats number of samples number of species observed obtained parameters Petersen plot Poisson distribution population density population estimate probability problem Program proportion quadrat counts random points random sampling ratio READ regression resource sample size sample sizes sampling unit Seber second sample sequential sampling simple random sampling spatial pattern standard error statistical statistical population stratum study area survival rate Table techniques Total number transformation unmarked variable variance voles