Download e-book for kindle: An Imperfect Balance: Landscape Transformations in the by David L. Lentz

By David L. Lentz

ISBN-10: 0231111568

ISBN-13: 9780231111560

We regularly envision the hot global earlier than the arriving of the Europeans as a land of pristine normal good looks and undisturbed environments. despite the fact that, David Lentz deals another view via detailing the impression of local cultures on those ecosystems sooner than their touch with Europeans. Drawing on a variety of specialists from the fields of paleoclimatology, ancient ecology, paleontology, botany, geology, conservation technology, and source administration, this booklet unlocks the key of ways the Western Hemisphere's indigenous population stimulated and remodeled their normal environment.

A infrequent mixture of collaborators uncovers the alterations that happened in North the USA, Mexico, relevant the US, the Andes, and Amazonia. every one part of the booklet has been comprehensively prepared in order that a botanical description of the ordinary plants of the area is coupled with a collection of case experiences outlining neighborhood human impacts. From differences of crops, to adjustments in soil, natural world, microclimate, hydrology, and the land floor itself, this assortment addresses one of many nice problems with our time: the human amendment of the earth.

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Additional info for An Imperfect Balance: Landscape Transformations in the Precolumbian Americas

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1995). p. (Bradbury et al. 1981; Binford 1982; Leyden 1985). p. have also been inferred from palynological evidence from the Bahamas (Kjellmark 1996). Although there is considerable variability in the timing and magnitude of increased aridity in the circum-Caribbean during the late Holocene, pollen and geochemical evidence indicate that the late Holocene was drier than the early-to-mid Holocene. The paleoclimatic record from Lake Chichancanab suggests that the drying trend that began at ca. p. p.

1990. Discordant Harmonies. Oxford: Oxford University Press. Byers, D. , ed. 1967. The Prehistory of the Tehuacan Valley, 1: Environment and Subsistence. Austin: University of Texas Press. 9 10 DAVID L. LENTZ Cowley, G. 1991. The great disease migration. In 1492 –1992, When Worlds Collide: How Columbus’s Voyages Transformed both East and West. Newsweek, Special Issue, Fall / Winter, pp. 54 –56. Crawford, M. H. 1998. The Origins of Native Americans: Evidence from Anthropological Genetics. Cambridge: Cambridge University Press.

1987). Paleoenvironmental changes can be inferred by stratigraphic analysis of environmental ‘‘proxies’’ that are well preserved in lacustrine deposits. , gastropod or ostracod shells), that are affected by environmental variables and can therefore be used to infer past conditions. For example, pollen grains composed of sporo- 14 DAVID A. HODELL, MARK BRENNER, AND JASON H. CURTIS pollenin are highly resistant to decay and can be used to infer past vegetation shifts. Because both natural climate change and human agricultural practices can lead to changes in vegetation, however, differentiation of these effects using pollen alone is difficult (Bradbury et al.

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An Imperfect Balance: Landscape Transformations in the Precolumbian Americas by David L. Lentz


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