Estimating species-specific U.S. waterfowl harvest
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Abstract
The U.S. Fish and Wildlife Service monitors species-specific waterfowl (ducks, seaducks, geese, and brant) harvest through two hunter surveys, one that estimates the total harvest for each waterfowl group, and a second that estimates the species composition of each waterfowl group. Point estimates for species-specific harvest can be computed by multiplying the estimated total harvest by the estimated proportion of the total harvest of each species. However, to date, no uncertainty estimates have been available. Here, we combine these two data sources to provide species-specific harvest estimates at the state and flyway level while characterizing the uncertainty via Bayesian estimation. We take a similar approach to Smith et al. (2022), providing both estimates that treat yearly data as independent and estimates that share information across years via a random walk process. We then discuss the advantages and disadvantages of each approach.
| Publication type | Preprint |
|---|---|
| Publication Subtype | Preprint |
| Title | Estimating species-specific U.S. waterfowl harvest |
| Series title | BioRxiv |
| DOI | 10.1101/2024.07.27.603620 |
| Year Published | 2024 |
| Language | English |
| Publisher | bioRxiv |
| Contributing office(s) | Eastern Ecological Science Center |
| Description | 18 p. |