| Abstract: | COMDYN is a set of programs developed for estimation of parameters associated with community dynamics using count data from two locations or time periods. It is Internet-based, allowing remote users either to input their own data, or to use data from the North American Breeding Bird Survey for analysis. COMDYN allows probability of detection to vary among species and among locations and time periods. The basic estimator for species richness underlying all estimators is the jackknife estimator proposed by Burnham and Overton. Estimators are presented for quantities associated with temporal change in species richness, including rate of change in species richness over time, local extinction probability, local species turnover and number of local colonizing species. Estimators are also presented for quantities associated with spatial variation in species richness, including relative richness at two locations and proportion of species present in one location that are also present at a second location. Application of the estimators to species richness estimation has been previously described and justified. The potential applications of these programs are discussed. |
| Genre: | Article |
| ProdID: | 70020963 |
| Citation Author: | Hines, J. E.; Boulinier, T.; Nichols, J. D.; Sauer, J. R.; Pollock, K. H. |
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| Citation Issue: | SUPPL. |
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| Citation Language: | English |
| Citation Larger Work Title: | Bird Study |
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| Citation Search Results Text: | COMDYN: Software to study the dynamics of animal communities using a capture-recapture approach; 1999; Article; Journal; Bird Study; Hines, J. E.; Boulinier, T.; Nichols, J. D.; Sauer, J. R.; Pollock, K. H. |
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| Citation Volume: | 46 |
| Citation Year: | 1999 |
| Type: | citation/reference |
| Text: | COMDYN: Software to study the dynamics of animal communities using a capture-recapture approach; 1999; Article; Journal; Bird Study; Hines, J. E.; Boulinier, T.; Nichols, J. D.; Sauer, J. R.; Pollock, K. H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Fri, 1 Jan 1999 00:00 -0600 |
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