BIOLOGICAL BULLDOZERS AND THE EVOLUTION OF MARINE BENTHIC COMMUNITIES

被引:211
作者
THAYER, CW
机构
[1] Department of Geology, University of Pennsylvania, Philadephia
关键词
D O I
10.1126/science.203.4379.458
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
During the Phanerozoic, the diversity of immobile suspension feeders living on the surface of soft substrata (ISOSS) declined significantly. Immobile taxa on hard surfaces and mobile taxa diversified. Extinction rates of ISOSS were significantly greater than in other benthos. These changes in the structure of benthic communities are attributed to increased biological disturbance of the sediment (bioturbation) by diversifying deposit feeders. Copyright © 1979 AAAS.
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页码:458 / 461
页数:4
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