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Title: Peak season carbon exchange shifts from a sink to a source following 50+ years of herbivore exclusion in an Arctic tundra ecosystem

To date, the majority of our knowledge regarding the impacts of herbivory on arctic ecosystem function has been restricted to short-term (<5 years) exclusion or manipulation experiments. Here, our understanding of long-term responses of sustained herbivory and/or herbivore exclusion on arctic tundra ecosystem function is severely limited.
Authors:
 [1] ;  [2] ;  [3] ;  [4] ;  [3]
  1. Univ. of Alaska, Fairbanks, AK (United State); Univ. of Texas, El Paso, TX (United States)
  2. Univ. of Texas, El Paso, TX (United States); St. Edwards Univ., Austin, TX (United States)
  3. Univ. of Texas, El Paso, TX (United States)
  4. Grand Valley State Univ., Grand Rapids, MI (United States)
Publication Date:
Report Number(s):
LA-UR-16-29111
Journal ID: ISSN 0022-0477
Grant/Contract Number:
AC52-06NA25396
Type:
Accepted Manuscript
Journal Name:
Journal of Ecology
Additional Journal Information:
Journal Volume: 105; Journal Issue: 1; Journal ID: ISSN 0022-0477
Publisher:
Wiley
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23)
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; earth sciences; albedo; Barrow; biogeochemistry; carbon; herbivore exclusion; herbivory; Lemmus trimucronatus; methane; net ecosystem exchange; plant-herbivore interactions
OSTI Identifier:
1353022