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Publication Information

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Title: Response of Arnica dealbata to climate change, nitrogen deposition, and fire

Author: Hurteau, Matthew; North, Malcolm;

Date: 2009

Source: Plant Ecology

Publication Series: Scientific Journal (JRNL)

Description:

Predicted changes in climate and increasing nitrogen deposition are likely to have significant impacts on species that have limited distributions or are already experiencing diminished population size. Arnica dealbata (A. Gray, Asteraceae), a listed sensitive species in Yosemite National Park, is endemic to California and has limited distribution within the park boundaries. The objective of this research was to examine the effects of altered precipitation resulting from climate change, increasing nitrogen deposition resulting from pollution, and prescribed fire on A. dealbata. A. dealbata cover significantly increased with increasing snowpack and prescribed fire. Increasing nitrogen deposition negatively affected cover. Our results suggest Yosemite’s A. dealbata populations can thrive even under a changing climate if prescribed fire is frequently applied coupled with increased moisture availability.

Keywords: Climate change, mixed-conifer, Sierra Nevada

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Citation:


Hurteau, Matthew; North, Malcolm 2009. Response of Arnica dealbata to climate change, nitrogen deposition, and fire. Plant Ecology. 202(1): 191-194.

 


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