ESTIMATION OF HUMAN CARRYING-CAPACITY IN RAIN-FOREST AREAS

被引：16

作者：

FEARNSIDE, PM

机构：

[1] Philip Fearnside is at the Dept of Ecology, National Institute for Research in the Amazon (INPA), 69.011 Manaus, Amazonas

来源：

TRENDS IN ECOLOGY & EVOLUTION | 1990年 / 5卷 / 06期

关键词：

D O I：

10.1016/0169-5347(90)90209-V

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Tropical rainiorest areas are rapidly being settled as a result of continued growth of local populations, spontaneous migration from non-rainiorest areas and planned settlement projects undertaken by governments. National decision makers frequently view rainiorest settlement as a solution to the problems of other regions undergoing population growth, land tenure concentration, environmental degradation, agricultural mechanization and population displacement by development projects. Natural habitats are replaced by settlements that often cannot support the density of population expected of them. Inappropriate assumptions can lead to estimates that are orders of magnitude too high, such as an FAO calculation that Brazil could support over seven billion people if Amazonia were converted to intensive agriculture. Inadequate information on human carrying capacity allows planners to foster unrealistic expectations. © 1990.

引用

页码：192 / 195

页数：4

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