Beaver Evidence - Historical Range of Beaver in the State of California, with an emphasis on areas within the range of coho salmon and steelhead trout

This project examines historical, archaeological, and geological evidence to re-evaluate the existing management paradigm that beaver are non-native to most of...本项目依托历史、考古与地质证据，重新评估当前认为河狸（beaver）在绝大多数区域均为外来物种的现有管理范式。