REMINDER: Alaska Climate Webinar
Alaska Center for Climate Assessment and Policy
Presentation Title: "Observed Changes in Terrestrial Wildlife Linked to
20th Century Warming in Arctic Alaska"
Speaker: Ken Tape, University of Alaska Fairbanks
Date: Tuesday, 15 November 2016 at 10:00-11:00 a.m. AST
To register for the webinar, go to:
https://accap.uaf.edu/NPLCC_webinar.
The Alaska Center for Climate Assessment and Policy (ACCAP) will host a
webinar entitled, "Observed Changes in Terrestrial Wildlife Linked to
20th Century Warming in Arctic Alaska" on Tuesday, 15 November 2016 from
10:00-11:00 a.m. AST.
This webinar will be presented by Ken Tape of the University of Alaska
Fairbanks.
Data linking climate change to observed changes in Arctic marine and
terrestrial wildlife populations are scarce, despite substantial changes
in sea ice and arctic vegetation that constitutes wildlife habitat.
Investigators mined observational records from the Alaskan Arctic to
identify changes in distribution or behavior of many terrestrial
wildlife species during the last century. The presenter will show that
the increase in productivity of arctic vegetation and expansion of
deciduous shrubs resulting from longer and warmer summers starting in
the mid-1800s triggered the establishment of novel tundra herbivore
moose in the 1930s and snowshoe hares in the 1970s, both which depend on
shrubs protruding above the snow for forage in winter. Earlier spring
onset has led to a three- to ten-day earlier return of 16 species of
migratory birds since 1964, though the effect of the altered timing on
population sizes is unknown. Complicated interactions associated with
predation, disease, trophic mismatch, competition, and other factors
compromise predictions, underscoring the need to analyze observed
wildlife changes and to maintain long-term studies.
For more information or to register online, go to:
https://accap.uaf.edu/NPLCC_webinar.
Participation in person is also available at the University of Alaska
Fairbanks, Akasofu Building, Room 407.
For questions, contact:
Tina Buxbaum
Email: tmbuxbaum [at] alaska.edu
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