Literature DB >> 12089439

A tropical rainforest in Colorado 1.4 million years after the Cretaceous-Tertiary boundary.

Kirk R Johnson1, Beth Ellis.   

Abstract

An extremely diverse lower Paleocene (64.1 million years ago) fossil leaf site from Castle Rock, Colorado, contains fossil litter that is similar to the litter of extant equatorial rainforests. The presence of a high-diversity tropical rainforest is unexpected, because other Paleocene floras are species-poor, a feature generally attributed to the Cretaceous-Tertiary (K-T) extinction. The site occurs on the margin of the Denver Basin in synorogenic sedimentary rocks associated with the rise of the Laramide Front Range. Orographic conditions caused by local topography, combined with equable climate, appear to have allowed for the establishment of rainforests within 1.4 million years of the K-T boundary.

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Year:  2002        PMID： 12089439     DOI： 10.1126/science.1072102

Source DB:  PubMed          Journal:  Science        ISSN： 0036-8075            Impact factor:   47.728


  18 in total

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4.  Evidence for a Cenozoic radiation of ferns in an angiosperm-dominated canopy.

Authors:  Eric Schuettpelz; Kathleen M Pryer
Journal:  Proc Natl Acad Sci U S A       Date:  2009-06-30       Impact factor: 11.205

5.  Early Paleocene landbird supports rapid phylogenetic and morphological diversification of crown birds after the K-Pg mass extinction.

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8.  No post-Cretaceous ecosystem depression in European forests? Rich insect-feeding damage on diverse middle Palaeocene plants, Menat, France.

Authors:  Torsten Wappler; Ellen D Currano; Peter Wilf; Jes Rust; Conrad C Labandeira
Journal:  Proc Biol Sci       Date:  2009-09-23       Impact factor: 5.349

9.  Tectonics, climate and the diversification of the tropical African terrestrial flora and fauna.

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Journal:  Biol Rev Camb Philos Soc       Date:  2020-09-13

10.  Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundary.

Authors:  Peter Wilf; Kirk R Johnson; Brian T Huber
Journal:  Proc Natl Acad Sci U S A       Date:  2003-01-10       Impact factor: 11.205
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