Download Agrarian Landscapes in Transition: Comparisons of Long-Term by Charles Redman, David R. Foster PDF

By Charles Redman, David R. Foster

Agrarian Landscapes in Transition researches human interplay with the earth. With 1000's of acres of agricultural land going out of construction on a daily basis, the creation, unfold, and abandonment of agriculture represents the main pervasive alteration of the Earth's setting for numerous thousand years. What occurs while people impose their spatial and temporal signatures on ecological regimes, and the way does this manipulation have an effect on the earth and nature's hope for equilibrium?Studies have been carried out at six long-term Ecological examine websites in the US, together with New England, the Appalachian Mountains, Colorado, Michigan, Kansas, and Arizona. whereas each one website has its personal particular agricultural background, styles emerge that assist in making experience of ways our activities have affected the earth, and the way the earth pushes again. The booklet addresses how human actions impression the spatial and temporal constructions of agrarian landscapes, and the way this varies through the years and throughout biogeographic areas. It additionally appears on the ecological and environmental effects of the ensuing structural alterations, the human responses to those alterations, and the way those responses force extra adjustments in agrarian landscapes.The time frames studied contain the ecology of the earth prior to human interplay, pre-European human interplay in the course of the upward push and fall of agricultural land use, and at last the organic and cultural reaction to the abandonment of farming, because of entire abandonment or a land-use swap corresponding to urbanization.

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Extra resources for Agrarian Landscapes in Transition: Comparisons of Long-Term Ecological & Cultural Change (Long-Term Ecological Research Network)

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S. Department of Agriculture, 2002). 36 Agrarian Landscapes in Transition The most lasting impact of the trend toward livestock agribusiness and the jump in scale of production is the divorce of animal husbandry from crop agriculture, with all the negative consequences that the separation implies. Hog farming seems to be the only form of livestock concentration that is still integrated meaningfully into the crop systems of family farms. As larger hog operations grew in the 1960s, they contributed to the transformation of traditional crop rotations.

The length of these stages varied according to the history of indigenous agriculture and European colonization. Agriculture was more central to central Arizona peoples than to any other ancient North Americans, but horticulture was a part of the traditions of indigenous peoples for several centuries in New England; southern Appalachia; and, to a lesser extent, the woodland–prairie peoples of southwestern Michigan and the grassland dwellers of eastern Kansas and eastern Colorado. Agriculture was more evident at the time of European– native contact in New England and southern Appalachia, and coexisted with European colonization through the early 19th century (Fig.

From the mid 20th century until the present, the intensity of grazing on pasture and hayland, and in woodland in farms has increased in response to steady increases in beef herds and in response to a postwar boom-and-bust cycle in poultry raising. The collapse of the farming of small grains since the 1960s has meant that disturbance phenomena are limited almost exclusively to the maintenance of pasture and hayland in a management system that is far less diverse than more commercially oriented agrarian landscapes in the interior of the continent.

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