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Area, Continental Drift and Mammalian Diversity
Gespeichert in:
Zeitschriftentitel: | Paleobiology |
---|---|
Personen und Körperschaften: | |
In: | Paleobiology, 1, 1975, 2, S. 189-194 |
Format: | E-Article |
Sprache: | Englisch |
veröffentlicht: |
Paleontological Society
|
finc.format |
ElectronicArticle |
---|---|
finc.mega_collection |
sid-55-col-jstorlife JSTOR Life Sciences Archive |
finc.id |
ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8yNDAwMjcy |
finc.source_id |
55 |
ris.type |
EJOUR |
rft.atitle |
Area, Continental Drift and Mammalian Diversity |
rft.epage |
194 |
rft.genre |
article |
rft.issn |
0094-8373 1938-5331 |
rft.issue |
2 |
rft.jtitle |
Paleobiology |
rft.tpages |
5 |
rft.pages |
189-194 |
rft.pub |
Paleontological Society |
rft.date |
1975-04-01 |
x.date |
1975-04-01T00:00:00Z |
rft.spage |
189 |
rft.volume |
1 |
abstract |
<p>Mammalian generic, familial, and ordinal diversities correlate significantly with continental area. The area effect is similar in form to that shown for true islands: S = kA<sup>z</sup>, where S is the diversity, A is the area, and k and z are fitted constants. For mammalian genera and continental area, z equals 0.33, for families, z equals 0.23, and for orders, z equals 0.13. The area effect permits quantitative modeling of extinction due to biotic competition between previously isolated faunas. The Late Cenozoic extinction of North and South American mammalian faunas following the rise of the Panamanian land bridge is overestimated by seven families. The overestimate may result from assumptions of complete biotic interchange and universal competition. The role of plate tectonics in regulating diversity may be extensively modified by regional environmental conditions.</p> |
authors |
Array
(
[rft.aulast] => Flessa
[rft.aufirst] => Karl W.
)
|
languages |
eng |
url |
https://www.jstor.org/stable/2400272 |
version |
0.9 |
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SOLR | |
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author | Flessa, Karl W. |
author_facet | Flessa, Karl W., Flessa, Karl W. |
author_sort | flessa, karl w. |
collection | sid-55-col-jstorlife |
container_issue | 2 |
container_start_page | 189 |
container_title | Paleobiology |
container_volume | 1 |
description | <p>Mammalian generic, familial, and ordinal diversities correlate significantly with continental area. The area effect is similar in form to that shown for true islands: S = kA<sup>z</sup>, where S is the diversity, A is the area, and k and z are fitted constants. For mammalian genera and continental area, z equals 0.33, for families, z equals 0.23, and for orders, z equals 0.13. The area effect permits quantitative modeling of extinction due to biotic competition between previously isolated faunas. The Late Cenozoic extinction of North and South American mammalian faunas following the rise of the Panamanian land bridge is overestimated by seven families. The overestimate may result from assumptions of complete biotic interchange and universal competition. The role of plate tectonics in regulating diversity may be extensively modified by regional environmental conditions.</p> |
facet_avail | Online |
format | ElectronicArticle |
format_de105 | Article, E-Article |
format_de14 | Article, E-Article |
format_de15 | Article, E-Article |
format_de520 | Article, E-Article |
format_de540 | Article, E-Article |
format_dech1 | Article, E-Article |
format_ded117 | Article, E-Article |
format_degla1 | E-Article |
format_del152 | Buch |
format_del189 | Article, E-Article |
format_dezi4 | Article |
format_dezwi2 | Article, E-Article |
format_finc | Article, E-Article |
format_nrw | Article, E-Article |
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geogr_code_person | not assigned |
id | ai-55-aHR0cHM6Ly93d3cuanN0b3Iub3JnL3N0YWJsZS8yNDAwMjcy |
imprint | Paleontological Society, 1975 |
imprint_str_mv | Paleontological Society, 1975 |
institution | DE-15, DE-14, DE-D13 |
issn | 0094-8373, 1938-5331 |
issn_str_mv | 0094-8373, 1938-5331 |
language | English |
last_indexed | 2024-03-01T22:35:46.316Z |
match_str | flessa1975areacontinentaldriftandmammaliandiversity |
mega_collection | JSTOR Life Sciences Archive |
physical | 189-194 |
publishDate | 1975 |
publishDateSort | 1975 |
publisher | Paleontological Society |
record_format | ai |
recordtype | ai |
score | 18,458569 |
series | Paleobiology |
source_id | 55 |
spelling | Flessa, Karl W. 0094-8373 1938-5331 Paleontological Society https://www.jstor.org/stable/2400272 <p>Mammalian generic, familial, and ordinal diversities correlate significantly with continental area. The area effect is similar in form to that shown for true islands: S = kA<sup>z</sup>, where S is the diversity, A is the area, and k and z are fitted constants. For mammalian genera and continental area, z equals 0.33, for families, z equals 0.23, and for orders, z equals 0.13. The area effect permits quantitative modeling of extinction due to biotic competition between previously isolated faunas. The Late Cenozoic extinction of North and South American mammalian faunas following the rise of the Panamanian land bridge is overestimated by seven families. The overestimate may result from assumptions of complete biotic interchange and universal competition. The role of plate tectonics in regulating diversity may be extensively modified by regional environmental conditions.</p> Area, Continental Drift and Mammalian Diversity Paleobiology |
spellingShingle | Flessa, Karl W., Paleobiology, Area, Continental Drift and Mammalian Diversity |
title | Area, Continental Drift and Mammalian Diversity |
title_full | Area, Continental Drift and Mammalian Diversity |
title_fullStr | Area, Continental Drift and Mammalian Diversity |
title_full_unstemmed | Area, Continental Drift and Mammalian Diversity |
title_short | Area, Continental Drift and Mammalian Diversity |
title_sort | area, continental drift and mammalian diversity |
title_unstemmed | Area, Continental Drift and Mammalian Diversity |
url | https://www.jstor.org/stable/2400272 |