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J W Haggart

Explore the profile of J W Haggart including associated specialties, affiliations and a list of published articles. Areas
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Ward P, Haggart J, Carter E, Wilbur D, Tipper H, Evans T
Science . 2001 May; 292(5519):1148-51. PMID: 11349146
The end-Triassic mass extinction is one of the five most catastrophic in Phanerozoic Earth history. Here we report carbon isotope evidence of a pronounced productivity collapse at the boundary, coincident...