## 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 12

Start IS AN ABSOLUTE DENSITY ESTIMATE REALLY NEEDED? No INDICES

FOR RELATIVE DENSITY (

INDIVIDUALS? Yes MARK-RECAPTURE TECHNIQUES (

ORGANISMS ...

Start IS AN ABSOLUTE DENSITY ESTIMATE REALLY NEEDED? No INDICES

FOR RELATIVE DENSITY (

**Chapter**2) Yes DO YOU NEED DATA ONINDIVIDUALS? Yes MARK-RECAPTURE TECHNIQUES (

**Chapter**2) No AREORGANISMS ...

Page 173

Do not expect a statistician to help you with these difficult decisions — go back

and read the previous three

general methods that can be applied to any situation and guides you toward

more ...

Do not expect a statistician to help you with these difficult decisions — go back

and read the previous three

**chapters**! ... This**chapter**draws together a series ofgeneral methods that can be applied to any situation and guides you toward

more ...

Page 291

One community parameter is similarity, and

the similarity between communities. Similarity is the basis of classification, and

this

...

One community parameter is similarity, and

**Chapter**9 discusses how to measurethe similarity between communities. Similarity is the basis of classification, and

this

**chapter**discusses cluster analysis as one method of objectively defining the...

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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