Invariant size–frequency distributions along a latitudinal gradient in marine bivalves
In the most extensive analysis of body size in marine invertebrates to date, we show that the size–frequency distributions of northeastern Pacific bivalves at the provincial level are surprisingly invariant in modal and median size as well as size range, despite a 4-fold change in species richness f...
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ftpubmed:oai:pubmedcentral.nih.gov:27193 2023-05-15T15:00:23+02:00 Invariant size–frequency distributions along a latitudinal gradient in marine bivalves Roy, Kaustuv Jablonski, David Martien, Karen K. 2000-11-21 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC27193 http://www.ncbi.nlm.nih.gov/pubmed/11087865 en eng The National Academy of Sciences http://www.ncbi.nlm.nih.gov/pmc/articles/PMC27193 http://www.ncbi.nlm.nih.gov/pubmed/11087865 Copyright © 2000, The National Academy of Sciences Biological Sciences Text 2000 ftpubmed 2013-08-29T07:20:55Z In the most extensive analysis of body size in marine invertebrates to date, we show that the size–frequency distributions of northeastern Pacific bivalves at the provincial level are surprisingly invariant in modal and median size as well as size range, despite a 4-fold change in species richness from the tropics to the Arctic. The modal sizes and shapes of these size–frequency distributions are consistent with the predictions of an energetic model previously applied to terrestrial mammals and birds. However, analyses of the Miocene–Recent history of body sizes within 82 molluscan genera show little support for the expectation that the modal size is an evolutionary attractor over geological time. Text Arctic PubMed Central (PMC) Arctic Pacific |
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language |
English |
topic |
Biological Sciences |
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Biological Sciences Roy, Kaustuv Jablonski, David Martien, Karen K. Invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
topic_facet |
Biological Sciences |
description |
In the most extensive analysis of body size in marine invertebrates to date, we show that the size–frequency distributions of northeastern Pacific bivalves at the provincial level are surprisingly invariant in modal and median size as well as size range, despite a 4-fold change in species richness from the tropics to the Arctic. The modal sizes and shapes of these size–frequency distributions are consistent with the predictions of an energetic model previously applied to terrestrial mammals and birds. However, analyses of the Miocene–Recent history of body sizes within 82 molluscan genera show little support for the expectation that the modal size is an evolutionary attractor over geological time. |
format |
Text |
author |
Roy, Kaustuv Jablonski, David Martien, Karen K. |
author_facet |
Roy, Kaustuv Jablonski, David Martien, Karen K. |
author_sort |
Roy, Kaustuv |
title |
Invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
title_short |
Invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
title_full |
Invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
title_fullStr |
Invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
title_full_unstemmed |
Invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
title_sort |
invariant size–frequency distributions along a latitudinal gradient in marine bivalves |
publisher |
The National Academy of Sciences |
publishDate |
2000 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC27193 http://www.ncbi.nlm.nih.gov/pubmed/11087865 |
geographic |
Arctic Pacific |
geographic_facet |
Arctic Pacific |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC27193 http://www.ncbi.nlm.nih.gov/pubmed/11087865 |
op_rights |
Copyright © 2000, The National Academy of Sciences |
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