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Changing Arctic Ecosystems – Resilience of caribou to climatic shifts in the Arctic

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Full Publication: http://dx.doi.org/10.3133/fs20143103

Product Type: Government Publication

Year: 2014

Authors: Gustine, D. D., L. G. Adams, M. E. Whalen, and J. M. Pearce


Suggested Citation:
Gustine, D. D., L. G. Adams, M. E. Whalen, and J. M. Pearce. 2014. Changing Arctic Ecosystems – Resilience of caribou to climatic shifts in the Arctic. USGS Fact Sheet 2014-3103, 2 p. doi:10.3133/fs20143103

Abstract


The U.S. Geological Survey (USGS) Changing Arctic Ecosystems (CAE) initiative strives to inform key resource management decisions for Arctic Alaska by providing scientific information and forecasts for current and future ecosystem response to a warming climate. Over the past 5 years, a focal area for the USGS CAE initiative has been the North Slope of Alaska. This region has experienced a warming trend over the past 60 years, yet the rate of change has been varied across the North Slope, leading scientists to question the future response and resilience of wildlife populations, such as caribou (Rangifer tarandus), that rely on tundra habitats for forage. Future changes in temperature and precipitation to coastal wet sedge and upland low shrub tundra are expected, with unknown consequences for caribou that rely on these plant communities for food. Understanding how future environmental change may affect caribou migration, nutrition, and reproduction is a focal question being addressed by the USGS CAE research. Results will inform management agencies in Alaska and people that rely on caribou for food.

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