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- Title
Preservation of species abundance in marine death assemblages.
- Authors
Kidwell, S M
- Abstract
Fossil assemblages of skeletal material are thought to differ from their source live communities, particularly in relative abundance of species, owing to potential bias from postmortem transport and time-averaging of multiple generations. However, statistical meta-analysis of 85 marine molluscan data sets indicates that, although sensitive to sieve mesh-size and environment, time-averaged death assemblages retain a strong signal of species' original rank orders. Naturally accumulated death assemblages thus provide a reliable means of acquiring the abundance data that are key to a new generation of paleobiologic and macroecologic questions and to extending ecological time-series via sedimentary cores.
- Publication
Science (New York, N.Y.), 2001, Vol 294, Issue 5544, p1091
- ISSN
0036-8075
- Publication type
Journal Article
- DOI
10.1126/science.1064539