By Alan Graham
The paleoecological historical past of the Americas is as complicated because the sector is huge: stretching from the Arctic Circle to Tierra del Fuego, the hot international positive aspects one of the most awesome plants on this planet. yet in the past it has lacked a whole usual background. Alan Graham treatments that with A average historical past of the hot international. With crops as his clinical muse, Graham lines the evolution of ecosystems, starting within the past due 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 background of the Americas, Graham bargains an late stability to ordinary histories that attention solely on animals. vegetation are very important in evolution’s best drama. not just are they conspicuous and comfortably desk bound elements of the Earth’s ecosystems, yet their broad fossil list permits an intensive reconstruction of the planet’s paleoenvironments. What’s extra, crops supply oxygen, functionality as nutrients and gasoline, and supply habitat and guard; in brief, theirs is a heritage that could converse to many different parts of evolution. A usual historical past of the hot international is an formidable and exceptional synthesis written via one of many world’s top students of botany and geology.
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Additional resources for A Natural History of the New World: The Ecology and Evolution of Plants in the Americas
8). 8 Midden of the bushy-tailed pack rat (Neotoma cinerea). Photograph courtesy of Terry Vaughan. bottom to top changes in local vegetation and climate from old to young. The packrat uses part of the midden as a urinal perch, which eventually solidiﬁes into a shiny mass further protecting the fossil plant fragments. Comparisons of overlapping sequences from different shelters have allowed reconstruction of the North American dry-habitat communities and environments back 50,000 years (Betancourt et al.
Nicolet National Forest, Wisconsin. Photograph courtesy of the National Agricultural Library, Forest Service Photo Collection, National Archives, Washington, DC. 26 Chapter Two Louisiana are both amused and appalled at how those living in isolated parts of the swamp are often depicted—particularly with regard to their distinctive music (zydeco), culture (admittedly somewhat taciturn with strangers but joyously effusive among friends), humor (a bit earthy), language (a combination of French and Spanish), transportation (in ﬂat-bottomed boats called pirogues), and religion (Catholic but with broad options including the still-practiced voodoo).
C. and M. L. Collyer. 2007. Analysis of character divergence along environmental gradients and other covariates. Evolution 61:510–15. Bigelow, N. , and M. E. Edwards. 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.
A Natural History of the New World: The Ecology and Evolution of Plants in the Americas by Alan Graham