Amazonian Deforestation and the Structure of Households

亚马逊森林砍伐与家庭结构

• 批准号: 6998868
• 负责人: Emilio Federico Moran
• 金额: $ 31.82万
• 依托单位: TRUSTEES OF INDIANA UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-02-01 至 2008-07-02
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6998868
• 关键词: Amazonian; Deforestation; Structure; Households

DESCRIPTION (provided by applicant): This project addresses the reciprocal relationship between population and environment in the Amazon Basin. We consider the influences of the changing demography of households on land use and the influences of the biophysical environment on the fertility and migration behaviors of household members in a spatially-explicit fashion. A number of variables have been found to mediate between population and environment, requiring detailed examination of this complex, reciprocal relationship. In this project we will survey 952 households in two adjacent study areas, Altamira and Santarem, Para State, Brazil that allows us to study not just the behavior of the first generation of settlers in the frontier (Altamira) but also second and third generation dynamics (Santarem). We make intensive use of Landsat satellite digital data time series from 1972 to the present; a GIS overlay of the property boundaries in the region that permits a one-to-one relating of households to land use changes, as well as transportation, hydrologic, and topographic information; and a georeferenced survey of the 952 households that examines land use and deforestation decisions and the demography of households. The research will address intergenerational population-and-environment dynamics, the impact of climate changes on deforestation choices, and the differences in land use and labor allocation choices made by rural and urban residents.

描述(由申请者提供)：该项目致力于亚马逊盆地人口与环境之间的互动关系。我们以空间显式的方式考虑了家庭人口结构变化对土地利用的影响以及生物物理环境对家庭成员生育和迁移行为的影响。已发现许多变量在人口和环境之间起中介作用，需要对这种复杂的、相互作用的关系进行详细研究。在这个项目中，我们将对巴西帕拉州阿尔塔米拉和桑塔雷姆两个相邻研究区域的952户家庭进行调查，这不仅使我们能够研究边境第一代定居者(阿尔塔米拉)的行为，也使我们能够研究第二代和第三代定居者的动态(桑塔雷姆)。我们大量利用Landsat卫星数字数据，从1972年到现在的时间序列；该区域财产边界的地理信息系统叠加，使家庭与土地利用的变化以及交通、水文和地形信息一一相关；以及对952个家庭的地理参考调查，以检查土地利用和砍伐森林的决定以及家庭的人口结构。这项研究将探讨代际人口和环境动态，气候变化对砍伐森林选择的影响，以及城乡居民在土地使用和劳动力分配选择上的差异。