ESTIMATION OF CARRYING CAPACITY FOR HUMAN POPULATIONS IN A PART OF THE TRANSAMAZON HIGHWAY COLONIZATION AREA OF BRASIL. (VOLUMES I AND II). PDF Download
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Author: Philip Martin Fearnside Publisher: ISBN: Category : Languages : en Pages : 657
Book Description
This study is aimed at estimating carrying capacity for the human population in a portion of Brasil's Transamazon Highway colonization area a variety of assumptions. Special emphasis is given to the effect of variability in a number of factors related to agricultural production and comsumption. Carrying capacity is defined operationally in terms of a gradient of increasing probability of colonist failure with population density within a limited range of densities. Both the criteria defining a "failure" and the critical value for the maximum acceptable probability of colonist failure can be culturally defined. Multiple criteria, including both comsumption and environmental quality measures can be used. Failure probabilities for carrying capacity estimation aretaken to be sustainable over a long period of years. A computer simulation is developed which reproduces many features of the agroecossystem of which the colonists are a part, including sectors for agricultural production, resource allocation, product allocation, and population. Gradients of failure probabilities for the estimation of carrying capacity are constructed from information output by the simulations. Both deterministic and stochastic runs are made, allowing the assessment of the importance of variability. Variability in crop yields results in colonist failure frequencies based on a number of criteria which greatly exeed the goals of Brazilian planners, despite restrictions on the data set which tend to make simulation results over-optimistic.
Author: Philip Martin Fearnside Publisher: ISBN: Category : Languages : en Pages : 657
Book Description
This study is aimed at estimating carrying capacity for the human population in a portion of Brasil's Transamazon Highway colonization area a variety of assumptions. Special emphasis is given to the effect of variability in a number of factors related to agricultural production and comsumption. Carrying capacity is defined operationally in terms of a gradient of increasing probability of colonist failure with population density within a limited range of densities. Both the criteria defining a "failure" and the critical value for the maximum acceptable probability of colonist failure can be culturally defined. Multiple criteria, including both comsumption and environmental quality measures can be used. Failure probabilities for carrying capacity estimation aretaken to be sustainable over a long period of years. A computer simulation is developed which reproduces many features of the agroecossystem of which the colonists are a part, including sectors for agricultural production, resource allocation, product allocation, and population. Gradients of failure probabilities for the estimation of carrying capacity are constructed from information output by the simulations. Both deterministic and stochastic runs are made, allowing the assessment of the importance of variability. Variability in crop yields results in colonist failure frequencies based on a number of criteria which greatly exeed the goals of Brazilian planners, despite restrictions on the data set which tend to make simulation results over-optimistic.
Author: Emilio F Moran Publisher: Routledge ISBN: 1000315932 Category : Political Science Languages : en Pages : 277
Book Description
This book--the first to apply the combined approaches of anthropology, geography, ecology, economics, and sociology to the analysis of the Amazon River region and its imminent development--explores the impact of development on Amazonian populations and the results of rural and urban growth strategies. The authors use the methodologies of environmen
Author: Publisher: ISBN: Category : Natural history Languages : en Pages : 424
Book Description
Each issue to contain material in each of seven subject fields: botany, forestry research, environmental sciences, phytochemistry, tropical medicine, zoology and technology.
Author: Ramachandra Guha Publisher: Routledge ISBN: 1134173342 Category : Nature Languages : en Pages : 255
Book Description
Until very recently, studies of the environmental movement have been heavily biased towards the North Atlantic worlds. There was a common assumption amongst historians and sociologists that concerns over such issues as conservation or biodiversity were the exclusive preserve of the affluent westerner: the ultimate luxury of the consumer society. Citizens of the world's poorest countries, ran the conventional wisdom, had nothing to gain from environmental concerns; they were 'too poor to be green', and were attending to the more urgent business of survival. Yet strong environmental movements have sprung up over recent decades in some of the poorest countries in Asia and Latin America, albeit with origins and forms of expression quite distinct from their western counterparts. In Varieties of Environmentalism, Guha and Matinez-Alier seek to articulate the values and orientation of the environmentalism of the poor, and to explore the conflicting priorities of South and North that were so dramatically highlighted at the Rio Earth Summit in 1992. Essays on the 'ecology of affluence' are also included, placing ion context such uniquely western phenomena as the 'cult of wilderness' and the environmental justice movement. Using a combination of archival and field data,. The book presents analyses of environmental conflicts and ideologies in four continents: North and South America, Asia and Europe. The authors present the nature and history of environmental movements in quite a new light, one which clarifies the issues and the processes behind them. They also provide reappraisals for three seminal figures, Gandhi, Georgescu-Roegen and Mumford, whose legacy may yet contribute to a greater cross-cultural understanding within the environmental movements.
Author: Nigel J. H. Smith Publisher: Univ of California Press ISBN: 0520314328 Category : Nature Languages : en Pages : 268
Book Description
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1982.
Author: Publisher: ISBN: Category : Ecology Languages : en Pages : 664
Book Description
Indexes journal articles in ecology and environmental science. Nearly 700 journals are indexed in full or in part, and the database indexes literature published from 1982 to the present. Coverage includes habitats, food chains, erosion, land reclamation, resource and ecosystems management, modeling, climate, water resources, soil, and pollution.
Author: Philip Martin Fearnside
Author: Philip Martin Fearnside
Author: Philip Martin Fearnside
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Author: Emilio F Moran
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Author: Ramachandra Guha
Author: Michael John Eden
Author: Nigel J. H. Smith
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