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Abstract
The North American Breeding Bird Survey monitors changes in bird populations through time using annual counts at fixed survey sites. The usual method of estimating trends has been to use the logarithm of the counts in a regression analysis. It is contended that this procedure is reasonably satisfactory for more abundant species, but produces biased estimates for less abundant species. An alternative estimation procedure based on estimating equations is presented.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Estimating equations estimates of trends |
| Series title | Bird Populations |
| Volume | 2 |
| Year Published | 1994 |
| Language | English |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 23-32 |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Bird Populations |
| First page | 23 |
| Last page | 32 |
| Google Analytic Metrics | Metrics page |