2002
DOI: 10.1098/rspb.2001.1923
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The ecology of extinction: molluscan feeding and faunal turnover in the Caribbean Neogene

Abstract: Molluscan faunal turnover in the Plio-Pleistocene of the tropical western Atlantic has been attributed to drops in temperature or primary productivity, but these competing hypotheses have not been assessed ecologically. To test these alternatives, we compiled data on changing molluscan life habits and trophic composition over 12 million years derived from 463 newly made collections from the southwestern Caribbean. Shelf ecosystems have altered markedly in trophic structure since the Late Pliocene. Predatory ga… Show more

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Cited by 99 publications
(130 citation statements)
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References 27 publications
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“…decreases in both mean SST [estimated mean Pliocene−Recent difference for California: 2.1°C; for Virginia: 2.9°C (18,20)] and diversities; regional extinctions have also been documented on both coasts, although their direct connection to climate change is debated and other factors may also have been involved (20,(23)(24)(25)29). Consistent with the previous work cited above (e.g., refs.…”
Section: Resultssupporting
confidence: 80%
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“…decreases in both mean SST [estimated mean Pliocene−Recent difference for California: 2.1°C; for Virginia: 2.9°C (18,20)] and diversities; regional extinctions have also been documented on both coasts, although their direct connection to climate change is debated and other factors may also have been involved (20,(23)(24)(25)29). Consistent with the previous work cited above (e.g., refs.…”
Section: Resultssupporting
confidence: 80%
“…The greater diversity drop that we record in the W Atlantic is also consistent with prior work finding more severe Plio-Pleistocene extinction in that region, particularly the Caribbean, relative to the E Pacific (22)(23)(24)(25). This extinction probably accounts for the most striking present-day difference between the coasts: the higher diversity in the E Pacific tropics despite the fivefold greater shelf area in the tropical W Atlantic (calculated in ArcGIS 10.2.1), and the greater variety of marine habitats associated with its past and present Caribbean coral reef systems, commonly viewed as important multipliers of regional marine biodiversity (36).…”
Section: Discussionsupporting
confidence: 81%
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“…Not only has it experienced profound environmental changes associated with the closure of the Central American Seaway beginning in the Pliocene [29], but these environmental changes have been linked to patterns of extinction, species turnover and ecological change [30,31]. The mPWP is considered a climatic analogue for conditions expected at the end of this century and can contribute information on how target species may fare under future climate scenarios [32].…”
Section: Introductionmentioning
confidence: 99%
“…Upwelling declined and primary productivity collapsed (Allmon, 2001;Todd et al, 2002;Jain and Collins, 2007;O'Dea et al, 2007a) driving widespread extinction across the TWA (Allmon, 1992;Budd et al, 1996;Jackson and D'croz, 1999;Jackson and Johnson, 2000;Todd et al, 2002;O'Dea et al, 2007a;Johnson et al, 2008;O'Dea and Jackson, 2009;Smith and Jackson, 2009).…”
Section: Sequence Of Eventsmentioning
confidence: 99%