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Modeling the influence of topographic barriers on treeline advance at the forest-tundra ecotone in northwestern Alaska

Dates

Year
2001

Citation

Rupp, T. S., Chapin, F. S., III, and Starfield, A. M., 2001, Modeling the influence of topographic barriers on treeline advance at the forest-tundra ecotone in northwestern Alaska: Climatic Change, v. 48, no. 2-3, p. 399-416.

Summary

The response of terrestrial ecosystems to climate warming has important implications to potential feedbacks to climate. The interactions between topography, climate, and disturbance could alter recruitment patterns to reduce or offset current predicted positive feedbacks to warming at high latitudes. In northern Alaska the Brooks Range poses a complex environmental and ecological barrier to species migration. We use a spatially explicit model (ALFRESCO) to simulate the transient response of subarctic vegetation to climatic warming in the Kobuk/Noatak River Valley (200 x 400 km) in northwest Alaska. The model simulations showed that a significantly warmer (+6 degrees C) summer climate would cause expansion of forest through the Brooks [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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NWBLCC20160627

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