Document Detail

Impacts of climatic and atmospheric changes on carbon dynamics in the Great Smoky Mountains National Park.
MedLine Citation:
PMID:  17618715     Owner:  NLM     Status:  MEDLINE    
We used the Dynamic Land Ecosystem Model (DLEM) to estimate carbon (C) storage and to analyze the impacts of environmental changes on C dynamics from 1971 to 2001 in Great Smoky Mountain National Park (GRSM). Our simulation results indicate that forests in GRSM have a C density as high as 15.9kgm(-2), about twice the regional average. Total carbon storage in GRSM in 2001 was 62.2Tg (T=10(12)), 54% of which was in vegetation, the rest in the soil detritus pool. Higher precipitation and lower temperatures in the higher elevation forests result in larger total C pool sizes than in forests at lower elevations. During the study period, the CO(2) fertilization effect dominated ozone and climatic stresses (temperature and precipitation), and the combination of these multiple factors resulted in net accumulation of 0.9Tg C in this ecosystem.
Chi Zhang; Hanqin Tian; Arthur H Chappelka; Wei Ren; Hua Chen; Shufen Pan; Mingliang Liu; Diane M Styers; Guangsheng Chen; Yuhang Wang
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2007-07-05
Journal Detail:
Title:  Environmental pollution (Barking, Essex : 1987)     Volume:  149     ISSN:  0269-7491     ISO Abbreviation:  Environ. Pollut.     Publication Date:  2007 Oct 
Date Detail:
Created Date:  2007-09-03     Completed Date:  2008-04-03     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8804476     Medline TA:  Environ Pollut     Country:  England    
Other Details:
Languages:  eng     Pagination:  336-47     Citation Subset:  IM    
School of Forestry and Wildlife Sciences, Auburn University, 602 Duncan Drive, Auburn, AL 36849, USA.
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MeSH Terms
Air Pollution / adverse effects*
Computer Simulation*
Conservation of Natural Resources
Environmental Monitoring / methods
Models, Theoretical*
North Carolina
Plant Physiological Phenomena
Reg. No./Substance:

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

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