## 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 46

For these data the

use these trapping procedures to obtain a valid Petersen population estimate for

these birds. Program CORMACK (Appendix 2.5) does these calculations. z = If d*

...

For these data the

**null hypothesis**is rejected, and consequently one could notuse these trapping procedures to obtain a valid Petersen population estimate for

these birds. Program CORMACK (Appendix 2.5) does these calculations. z = If d*

...

Page 78

so we accept the

data satisfactorily. If sample size is large (n > 51), Figure 3.5 cannot be used to

determine the critical values of chi-square. In this case calculate the normal ...

so we accept the

**null hypothesis**that the Poisson distribution fits the observeddata satisfactorily. If sample size is large (n > 51), Figure 3.5 cannot be used to

determine the critical values of chi-square. In this case calculate the normal ...

Page 237

7.1 Two Alternative Hypotheses 238 7.1.1 Means from a Normal Distribution 238

7.1.2 Variances from a Normal Distribution ... analysis is then performed on these

data, and the decision is made whether to accept or reject the

7.1 Two Alternative Hypotheses 238 7.1.1 Means from a Normal Distribution 238

7.1.2 Variances from a Normal Distribution ... analysis is then performed on these

data, and the decision is made whether to accept or reject the

**null hypothesis**.### What people are saying - Write a review

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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