| | Accession Number | 5004809 |
| | Title | Mapping Distributions of Invasive Animals on National Wildlife Refuges |
| | Project Description | In this task, we will provide updated information on ranges of invasive bird species using |
| | information from the North American Breeding Bird Survey (BBS), and verify the information using |
| | refuge checklists and other data sources. Although no comparable information source exists for |
| | mammals, general range maps do exist for the taxa, and we will use them to evaluate the ranges |
| | of invasive mammal species. The North American Breeding Bird Survey (BBS) contains |
| | information on all birds heard or seen on over 4,000 survey routes in North America. Distribution |
| | maps made from the data are presently available over the internet |
| | (http://www.mbr-pwrc.usgs.gov/bbs/bbs.html), and are used in a variety of studies that attempt to |
| | relate resources on NWRs to regional populations. They also show the general ranges of |
| | nonnative and invasive species, and indicate what species may be expected to occur on NWRs. |
| | In this project, we will revise the BBS maps to incorporate the most recent information on bird |
| | distributions, providing lists of predicted invasive species for each refuge from the distributional |
| | information. We will also develop range maps of invasive mammal species, using information from |
| | NWRs and from other published sources. |
| | Keywords | birds, invasive species, mammals, national wildlife refuges, |
| | Principal | John R Sauer, PWRC: john_r_sauer@usgs.gov; |
| | Investigators |
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