南非开普植物区陆地生态系统生境变化的现状和未来对生物多样性的威胁(英文)

——Current patterns of habitat transformation and future threats to biodiversity in terrestrial ecosystems of the Cape Floristic Region, South Africa

作者/编者:Biological Conservation
作者单位:
创作年代:2001
出处/来源:Biological Conservation
学科分类:海洋法学
所属机构:
文献语种:英文

摘要

The formulation of an effective strategic plan for biodiversity conservation in the Cape Floristic Region (CFR) requires an assessment of the current situation with regard to habitat transformation, and an explicit framework for predicting the likelihood of remaining habitat (i.e. that potentially available for conservation) being transformed. This paper presents the results of a detailed assessment of the current and future extent of three important factors that threaten biodiversity in the CFR: cultivation for intensive agriculture (including commercial forestry plantations), urbanisation, and stands of invasive (self-sown) alien trees and shrubs.The extent of habitat transformation was mapped at the scale of 1:250,000, using primarily satellite imagery. We compared models derived from a rule-based approach relying on expert knowledge and a regression-tree technique to identify other areas likely to be affected by these factors in future.

关键词: 南非 生物多样性 生态系统 biodiversity

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南非开普植物区陆地生态系统生境变化的现状和未来对生物多样性的威胁(英文)

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