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Ecology of the Podocarpaceae in Tropical Forests

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dc.contributor.author Turner, Benjamin L.
dc.contributor.author Cernusak, Lucas A.
dc.date.accessioned 2011-10-14T14:13:58Z
dc.date.available 2011-10-14T14:13:58Z
dc.date.issued 2011-10-14
dc.identifier.citation Smithsonian Contributions to Botany, 2011, Volume 95 : pp. viii-207.
dc.identifier.issn 0081-024X
dc.identifier.uri http://hdl.handle.net/10088/17184
dc.description.abstract Turner, Benjamin L., and Lucas A. Cernusak, editors. Ecology of the Podocarpaceae in Tropical Forests. Smithsonian Contributions to Botany, number 95, viii + 207 pages, 70 figures, 18 tables, 2011. The emergence of angiosperms in tropical forests at the expense of the gymnosperms, their ancestral relatives, was one of the most important events in the evolutionary history of terrestrial plants. Gymnosperms were nearly eliminated from the tropics after the evolution of angiosperms in the early Cretaceous, yet conifers of the Podocarpaceae are among the few gymnosperm families that persist in tropical forests worldwide. Podocarps are often considered to be restricted to montane sites in the tropics, a feature of their biogeography that is used by paleoecologists to reconstruct past forest communities. However, podocarps also occur in the lowland tropics, where they can be the dominant component of forest canopies. Podocarps have proved to be remarkably adaptable in many cases: members of the family have a semi-aquatic lifestyle, exhibit drought tolerance and resprouting, and include the only known parasitic gymnosperm. Other intriguing aspects of podocarp physiology include the mechanism of water transport in the leaves and the conspicuous root nodules, which are not involved in nitrogen fixation but instead house arbuscular mycorrhizal fungi. Perhaps most surprising, paleobotanical evidence indicates that far from being ‘relict’ members of tropical forest communities, podocarps have been dispersing into the tropics since the late Eocene epoch more than 30 million years ago. These and other aspects of the Podocarpaceae explored in this volume have far-reaching implications for understanding the ecology and evolution of tropical rain forests.
dc.subject Podocarpaceae
dc.subject Tropical plants
dc.title Ecology of the Podocarpaceae in Tropical Forests
dc.type Article
dc.identifier.srbnumber 102691
dc.identifier.eISSN 1938-2812
dc.identifier.doi 10.5479/si.0081024X.95.viii
rft.jtitle Smithsonian Contributions to Botany
rft.issue 95
rft.spage viii
rft.epage 207

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