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Project 2007-261-00 - Acquisition of a Conservation Easement over 1084 acres of Upland Prairie and Oak Habitat, Willamette Subbasin
Acquisition of a Conservation Easement over 1084 acres of Upland Prairie and Oak Habitat, Willamette Subbasin
Summary:
The first phase of this project is a survey of existing and historical beaver habitat accompanied by an evaluation of existing habitat effectiveness models.
This project is a potential step in beaver reintroduction as a management technique for improving anadromous fish habitat. Specifics about inputs for the beaver model were presented as requested (including a data sheet) and a considerable amount of recent literature cited. The fact that they would be utilizing information from other ongoing beaver studies in the region is a plus for the project. However, some of the details are not clear about how habitat suitability for beaver will be analyzed or how factors limiting successful colonization by beaver will be determined; i.e., sites now unused by beavers include both suitable and unsuitable sites, and how will these two categories be separated? We remain uncertain if the approach/model will be adequate (but there a few guarantees anywhere) but think it should be given a try. The approach is creative and not heavy-handed!