Document Detail

Positive interspecific relationship between temporal occurrence and abundance in insects.
MedLine Citation:
PMID:  21533057     Owner:  NLM     Status:  MEDLINE    
One of the most studied macroecological patterns is the interspecific abundance-occupancy relationship, which relates species distribution and abundance across space. Interspecific relationships between temporal distribution and abundance, however, remain largely unexplored. Using data for a natural assemblage of tabanid flies measured daily during spring and summer in Nova Scotia, we found that temporal occurrence (proportion of sampling dates in which a species occurred in an experimental trap) was positively related to temporal mean abundance (number of individuals collected for a species during the study period divided by the total number of sampling dates). Moreover, two models that often describe spatial abundance-occupancy relationships well, the He-Gaston and negative binomial models, explained a high amount of the variation in our temporal data. As for the spatial abundance-occupancy relationship, the (temporal) aggregation parameter, k, emerged as an important component of the hereby named interspecific temporal abundance-occurrence relationship. This may be another case in which a macroecological pattern shows similarities across space and time, and it deserves further research because it may improve our ability to forecast colonization dynamics and biological impacts.
Ricardo A Scrosati; Ruth D Patten; Randolph F Lauff
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2011-04-20
Journal Detail:
Title:  PloS one     Volume:  6     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2011  
Date Detail:
Created Date:  2011-05-02     Completed Date:  2011-08-30     Revised Date:  2013-06-30    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e18982     Citation Subset:  IM    
Department of Biology, Saint Francis Xavier University, Antigonish, Nova Scotia, Canada.
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MeSH Terms
Diptera* / classification
Models, Theoretical
Nova Scotia
Population Density
Species Specificity

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

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