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Physical Sciences and Mathematics Commons

Open Access. Powered by Scholars. Published by Universities.®

Environmental Indicators and Impact Assessment

Portland State University

2021

Bats -- Conservation

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Full-Text Articles in Physical Sciences and Mathematics

Closed Canopies Crowd Out Bats: Planning Artificial Gap Creation, Alana Simmons Oct 2021

Closed Canopies Crowd Out Bats: Planning Artificial Gap Creation, Alana Simmons

Environmental Science and Management Professional Master's Project Reports

Managed even-aged forest stands often lack small to medium-sized canopy gaps that help to increase habitat diversity and, in turn, wildlife diversity. A large body of literature suggests that this habitat diversity is especially important for bat communities and that bat activity and diversity can be depressed in closed canopy, even-aged stands. Open- and edge-adapted bats have evolved specific wing morphologies and echolocation call structures that make them reliant upon forest gaps as energy efficient foraging grounds in otherwise structurally cluttered forests. Artificial gap creation projects that increase habitat diversity have been implemented to benefit ungulates, and a similar approach …