Title |
The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence
|
---|---|
Published in |
PLOS ONE, January 2010
|
DOI | 10.1371/journal.pone.0008776 |
Pubmed ID | |
Authors |
John J. Welch |
Abstract |
One of the most intriguing patterns in mammalian biogeography is the "island rule", which states that colonising species have a tendency to converge in body size, with larger species evolving decreased sizes and smaller species increased sizes. It has recently been suggested that an analogous pattern holds for the colonisation of the deep-sea benthos by marine Gastropoda. In particular, a pioneering study showed that gastropods from the Western Atlantic showed the same graded trend from dwarfism to gigantism that is evident in island endemic mammals. However, subsequent to the publication of the gastropod study, the standard tests of the island rule have been shown to yield false positives at a very high rate, leaving the result open to doubt. |
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Brazil | 1 | 1% |
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Mexico | 1 | 1% |
United Kingdom | 1 | 1% |
Unknown | 81 | 91% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Researcher | 19 | 21% |
Student > Ph. D. Student | 15 | 17% |
Student > Master | 12 | 13% |
Student > Bachelor | 11 | 12% |
Student > Doctoral Student | 5 | 6% |
Other | 13 | 15% |
Unknown | 14 | 16% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 44 | 49% |
Environmental Science | 13 | 15% |
Earth and Planetary Sciences | 7 | 8% |
Biochemistry, Genetics and Molecular Biology | 3 | 3% |
Arts and Humanities | 1 | 1% |
Other | 4 | 4% |
Unknown | 17 | 19% |