| Abstract: | ABSTRACT.--The Jolly-Seber model is a capture-recapture model that can provide less-biased survival and population size estimates than those produced from simple counting procedures. Parameter estimation by simple counts and Jolly-Seber methods are based on certain assumptions that directly determine the validity of estimates. Evuluation of assumptions for parameter estimation is a focus of this paper and used as a basis for determining which methods are more likely to produce better estimates. An example of population size and survival estimation for a peregrine falcon(Falco peregrinus) population in western Greenland is used to compare the two methods.Based on results from the Greenland peregrine population,
and an assessment of the underlying assumptions of simple counts and the Jolly-Seber model,we suggest that Jolly-Seber estimation of survival and population size is less biased than simple counts in studies with marked birds. We recommend the use of a Jolly-Seber analysis of data when capture-recapture techniques are employed in raptor population studies. |
| Genre: | Article |
| ProdID: | 1016016 |
| Citation Author: | Gould, William R.; Fuller, Mark R. |
| Citation Contributing Office: | Forest and Rangeland Ecosystem Science Center |
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| Citation End Page: | 264 |
| Citation Issue: | 4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Raptor Research |
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| Citation Number Of Pages: | 9 |
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| Citation Phsyical Description: | p. 256-264 |
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| Citation Search Results Text: | Survival and population size estimation in raptor studies: A comparison of two methods; 1995; Article; Journal; Journal of Raptor Research; Gould, William R.; Fuller, Mark R. |
| Citation Start Page: | 256 |
| Citation Volume: | 29 |
| Citation Year: | 1995 |
| Type: | citation/reference |
| Text: | Survival and population size estimation in raptor studies: A comparison of two methods; 1995; Article; Journal; Journal of Raptor Research; Gould, William R.; Fuller, Mark R. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1995 00:00 -0600 |
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