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A Intensidade da Exploração Agropecuária como Indicador da Degradação Ambiental na Região dos Cerrados, Brasil AgEcon
Cunha, Nina Rosa da Silveira; Lima, Joao Eustaquio de; Gomes, Marilia Fernandes Maciel; Braga, Marcelo Jose.
Being constituted as the largest risk factor and effective degradation to the Savannah, the man’s intervention in the nature and, especially, the agricultural exploration require analysis and better monitoring. This work aims to analyze the relationship between the agricultural exploration and the environmental degradation in the area of the Savannahs, in 1995-1996. In particular, it is intended, to use multivariate statistical analysis, to verify the factors associated with the intensity of farming predominant in the determination of the degradation pattern, and to obtain indexes of exploration intensity to make possible to categorize and to group the microrregions in terms of degradation potential. The results showed that the intensity of the...
Tipo: Journal Article Palavras-chave: Environmental degradation; Intensity of agricultural exploration; Savannah; Factorial analysis; Index of environmental degradation.; Agribusiness; Q50..
Ano: 2008 URL: http://purl.umn.edu/61241
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The Sustainability of Cotton Production in China and in Australia: Comparative Economic and Environmental Issues AgEcon
Zhao, Xufu; Tisdell, Clement A..
After providing some background about the importance of cotton as a fibre, this article provides information about the global relevance of China’s and Australia’s cotton industries and compares the structure and other significant features of their cotton industries. Attention is given to trends in overall cotton yields and the volume of production of cotton globally, in Australia, and in China as indicators of the sustainability of cotton supplies. Some simple economic theory is applied to indicate the relationship between market conditions and the sustainability of global cotton supplies. Then the environmental and economic factors that challenge the sustainability of Australian cotton production are outlined and analysed and this is done subsequently for...
Tipo: Working or Discussion Paper Palavras-chave: Australia; China; Cotton production; Fibre markets; Hysteresis of supplies; Sustainable agriculture; Water resources.; Environmental Economics and Policy; Q01; Q11; Q15; Q24; Q50..
Ano: 2009 URL: http://purl.umn.edu/55338
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