Document Detail


Positive diversity-stability relationships in forest herb populations during four decades of community assembly.
MedLine Citation:
PMID:  20735464     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
It is suggested that diversity destabilizes individual populations within communities; however, generalizations are problematic because effects of diversity can be confounded by variation attributable to community type, life history or successional stage. We examined these complexities using a 40-year record of reassembly in forest herb communities in two clearcut watersheds in the Andrews Long-term Ecological Research Site (Oregon, USA). Population stability was higher among forest than colonizing species and increased with successional stage. Thus, life history and successional stage may explain some of the variability in diversity-stability relationships found previously. However, population stability was positively related to diversity and this relationship held for different forest communities, for species with contrasting life histories, and for different successional stages. Positive relationships between diversity and population stability can arise if diversity has facilitative effects, or if stability is a precursor, rather than a response, to diversity.
Authors:
Martin Dovciak; Charles B Halpern
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2010-08-24
Journal Detail:
Title:  Ecology letters     Volume:  13     ISSN:  1461-0248     ISO Abbreviation:  Ecol. Lett.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-17     Completed Date:  2011-01-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101121949     Medline TA:  Ecol Lett     Country:  England    
Other Details:
Languages:  eng     Pagination:  1300-9     Citation Subset:  IM    
Copyright Information:
2010 Blackwell Publishing Ltd/CNRS.
Affiliation:
School of Forest Resources, University of Washington, Box 352100, Seattle, WA 98195-2100, USA. mdovciak@esf.edu
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MeSH Terms
Descriptor/Qualifier:
Biodiversity*
Models, Biological
Oregon
Plants / growth & development*
Population Dynamics
Time Factors
Trees*

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


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