Document Detail

Projecting climate change effects on forest net primary productivity in subtropical Louisiana, USA.
MedLine Citation:
PMID:  21848139     Owner:  NLM     Status:  MEDLINE    
This study projected responses of forest net primary productivity (NPP) to three climate change scenarios at a resolution of 5 km x 5 km across the state of Louisiana, USA. In addition, we assessed uncertainties associated with the NPP projection at the grid and state levels. Climate data of the scenarios were derived from Community Climate System Model outputs. Changes in annual NPP between 2000 and 2050 were projected with the forest ecosystem model PnET-II. Results showed that forest productivity would increase under climate change scenarios A1B and A2, but with scenario B1, it would peak during 2011-2020 and then decline. The projected average NPP under B1 over the years from 2000 to 2050 was significantly different from those under A1B and A2. Forest NPP appeared to be primarily a function of temperature, not precipitation. Uncertainties of the NPP projection were due to large spatial resolution of the climate variables. Overall, this study suggested that in order to project effects of climate change on forest ecosystem at regional level, modeling uncertainties could be reduced by increasing the spatial resolution of the climate projections.
Fugui Wang; Y Jun Xu; Thomas J Dean
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ambio     Volume:  40     ISSN:  0044-7447     ISO Abbreviation:  Ambio     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-08-18     Completed Date:  2011-09-13     Revised Date:  2013-06-28    
Medline Journal Info:
Nlm Unique ID:  0364220     Medline TA:  Ambio     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  506-20     Citation Subset:  IM    
Department of Forest and Wildlife Ecology, University of Wisconsin-Madison, Wisconsin 53706, USA.
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MeSH Terms
Environmental Monitoring
Greenhouse Effect*
United States

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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