By Alan Graham
The paleoecological background of the Americas is as complicated because the area is large: stretching from the Arctic Circle to Tierra del Fuego, the recent international good points essentially the most awesome plants in the world. yet before it has lacked an entire average historical past. Alan Graham treatments that with A common historical past of the recent global. With crops as his clinical muse, Graham strains the evolution of ecosystems, starting within the overdue Cretaceous interval (about a hundred million years in the past) and finishing within the current, charting their responses to adjustments in geology and weather. through highlighting plant groups’ roles within the environmental historical past of the Americas, Graham deals an late stability to typical histories that attention completely on animals. crops are very important in evolution’s ultimate drama. not just are they conspicuous and very easily desk bound elements of the Earth’s ecosystems, yet their large fossil list makes it possible for a radical reconstruction of the planet’s paleoenvironments. What’s extra, crops offer oxygen, functionality as nutrients and gasoline, and supply habitat and shield; briefly, theirs is a background which could communicate to many different components of evolution. A common background of the recent international is an bold and remarkable synthesis written by way of one of many world’s prime students of botany and geology.
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Additional info for A Natural History of the New World: The Ecology and Evolution of Plants in the Americas
2001. A 14,000-year paleoenvironmental record from Windmill Lake, central Alaska: Late glacial and Holocene in the Alaska Range. Quat. Sci. Rev. 20:203–15. Biodiversity Heritage Library (BHL). org/. [The BHL site allows one to search for scientiﬁc names throughout the natural history literature. ] Blunt, W. 2002. Linnaeus: The Complete Naturalist. 2nd ed. Introduction by W. T. Stearn. , London. Burnett, D. G. 2007. Trying Leviathan: The nineteenth-century New York court case that put a whale on trial and challenged the order of Nature.
Elevations, sharper peaks, and more dramatic scenery compared to the gentler, older, more eroded, and lower Appalachian Mountains. There is alpine tundra on the higher peaks, and a western montane coniferous forest below that includes Abies, Picea, Pseudotsuga mensiesii (Douglas ﬁr), and Pinus ponderosa. Toward the south at lower elevations, the coniferous forest grades into drier lowlands and woodlands of Pinus edulis (piñon pine) and Juniperus (juniper; ﬁg. 5), and eventually into the western deserts (ﬁg.
Evolution faster when it’s warmer. stm. ” See also Gillman et al. ] Gillman, L. , D. J. Keeling, H. A. Ross, and S. D. Wright. 2009. Latitude, elevation and the tempo of molecular evolution in mammals. Proc. R. Soc. Lond. full. Graham, A. 1999. Late Cretaceous and Cenozoic history of North American vegetation. Oxford University Press, Oxford. ———. 2010. Late Cretaceous and Cenozoic history of Latin American vegetation and terrestrial environments. Missouri Botanical Garden Press, St. Louis. Gröcke, D.