Document Detail


Congruent and synchronic patterns in biogeography and speciation among seabirds, pinnipeds, and cestodes.
MedLine Citation:
PMID:  1635019     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Congruence in biogeographic patterns among diverse assemblages of taxa indicates uniformity in the historical determinants of biotic distributions. Comparisons of host and parasite phylogenies and the elucidation of distributional area relationships are requisite components of analyses in historical biogeography. Host-parasite associations with broad geographic ranges are often archaic and have been structured largely by coevolutionary processes. In contrast, the origins and radiation of the primary cestode faunas of some seabirds (Alcataenia spp./Alcidae) and pinnipeds (Anophryocephalus spp./Phocidae and Otariidae) are associated with colonization. These young colonizing faunas, in the Holarctic Region, were influenced by a common history during the late Pliocene and Pleistocene epochs. Periodic range contraction, with isolation in refugial centers, and subsequent expansion into postglacial habitats for hosts and parasites coincided with the cyclic pattern of stadials and interstadials. During the past 2-3 million years following colonization, these dramatic climatic fluctuations strongly influenced the continuity of ecological associations in marine habitats and appear to have been the determinants of congruent and synchronic patterns of speciation among these disparate taxa of marine homeotherms and eucestodes.
Authors:
E P Hoberg
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of parasitology     Volume:  78     ISSN:  0022-3395     ISO Abbreviation:  J. Parasitol.     Publication Date:  1992 Aug 
Date Detail:
Created Date:  1992-08-26     Completed Date:  1992-08-26     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  7803124     Medline TA:  J Parasitol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  601-15     Citation Subset:  IM    
Affiliation:
United States Department of Agriculture, Biosystematic Parasitology Laboratory, Beltsville, Maryland 20705-2350.
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MeSH Terms
Descriptor/Qualifier:
Animals
Atlantic Ocean
Bird Diseases / parasitology*
Birds / classification
Cestoda / classification,  physiology*
Cestode Infections / parasitology,  veterinary*
Evolution*
Host-Parasite Interactions
Pacific Ocean
Phylogeny
Pinnipedia / classification,  parasitology*

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