Beaver Engineering: Tracking a New Disturbance in the Arctic

Highlights: -Recent satellite imagery and older aerial photography show that North American beavers (Castor canadensis) are colonizing the Arctic tundra of Alaska, with over 12,000 ponds thus far counted in western Alaska, a doubling of ponds since 2000. -In Canada, beaver pond mapping is underway,...

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Bibliographic Details
Main Authors: Tape, Ken D., Clark, Jason A., Jones, Benjamin M., Wheeler, Helen C., Marsh, Philip, Rosell, Frank
Format: Text
Language:English
Published: National Oceanic and Atmospheric Administration 2021
Subjects:
Arctic
Beaver Pond
Canada
Tundra
Alaska
Online Access:https://arro.anglia.ac.uk/id/eprint/707512/
https://arro.anglia.ac.uk/id/eprint/707512/1/ARC21_Beaver_Engineering.pdf
https://arro.anglia.ac.uk/id/eprint/707512/6/NOAA_permission.png
https://doi.org/10.25923/0jtd-vv85
Description
Summary:Highlights: -Recent satellite imagery and older aerial photography show that North American beavers (Castor canadensis) are colonizing the Arctic tundra of Alaska, with over 12,000 ponds thus far counted in western Alaska, a doubling of ponds since 2000. -In Canada, beaver pond mapping is underway, complemented by scattered observations of recent changes. Eurasian beavers (C. fiber) are rebounding in Asia but remain south of the Arctic tundra in most locations. -The Arctic Beaver Observation Network was established in 2020 to help integrate, guide, and disseminate information concerning beaver range expansion into tundra regions and implications for ecosystems and resources.

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