Document Detail

Historical baselines for large marine animals.
MedLine Citation:
PMID:  19251340     Owner:  NLM     Status:  MEDLINE    
Current trends in marine ecosystems need to be interpreted against a solid understanding of the magnitude and drivers of past changes. Over the last decade, marine scientists from different disciplines have engaged in the emerging field of marine historical ecology to reconstruct past changes in the sea. Here we review the diversity of approaches used and resulting patterns of historical changes in large marine mammals, birds, reptiles and fish. Across 256 reviewed records, exploited populations declined 89% from historical abundance levels (range: 11-100%). In many cases, long-term fluctuations are related to climate variation, rapid declines to overexploitation and recent recoveries to conservation measures. These emerging historical patterns offer new insights into past ecosystems, and provide important context for contemporary ocean management.
Heike K Lotze; Boris Worm
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review     Date:  2009-02-27
Journal Detail:
Title:  Trends in ecology & evolution     Volume:  24     ISSN:  0169-5347     ISO Abbreviation:  Trends Ecol. Evol. (Amst.)     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-04-27     Completed Date:  2009-07-02     Revised Date:  2011-05-03    
Medline Journal Info:
Nlm Unique ID:  8805125     Medline TA:  Trends Ecol Evol     Country:  England    
Other Details:
Languages:  eng     Pagination:  254-62     Citation Subset:  IM    
Department of Biology, Dalhousie University, Halifax, NS B3H 4J1, Canada.
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MeSH Terms
Biological Evolution
Mammals / genetics*,  physiology*
Models, Biological
Oceans and Seas
Population Dynamics*

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