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印缅生态热点地区(中国区)生物多样性保护现状与分析

         

摘要

China is undergoing rapid urbanization. The land of biodiversity hotspots is being occupied, and the area of Key Biodiversity Areas (KBAs) in the hotspots is decreasing. Biodiversity and ecosystem services are severely affected. Based on the report of Indo-Burma Biodiversity Hotspot from Critical Ecosystem Partnership Fund (CEPF), the authors introduced the ecosystem condition in the Chinese area of Indo-Burma Biodiversity Hotspot. By investigating the planning of main functional zones of national, and some provincial and autonomous regions, we find the conflict between protection of biodiversity and urban development and agricultural production in the Chinese area. By measuring the ratio between reserve areas and land areas in relevant provinces and eco-regions, we found none reaches 17%, which is set by the Strategic Plan for Biodiversity and the Aichi Targets. In the Chinese area, the ratio is about 15.02%, which does not reach Aichi Targets (17%). Additionaly, national reserve area rate is only 8.2%, which is also less than the national rate (12.5%).%中国正在发生的快速城市化导致了生态热点地区土地被侵占,热点内关键生物多样性地点的面积持续减小,其生物多样性和生态服务功能受到严重影响。笔者基于关键生态系统合作基金的《印缅生态热点地区》的研究报告,介绍了印缅生态热点地区(中国区)的生态系统状况。接着,通过梳理全国及有关省、自治区的主体功能区规划,发现印缅生态热点地区(中国区)正处在生物多样性保护与城市化发展、农业生产相冲突的规划定位。最后,测算了印缅生态热点地区(中国区)相关省级行政区和生态区的保护区面积与国土面积的比率,发现各省级行政区的保护区占整个地区的陆地面积的比率全部没有达到爱知目标要求的保护面积占国土面积的17%的要求。印缅生态热点地区(中国区)保护区面积占国土面积的比率约在15.02%,也是没有达到爱知目标的要求,其国家级的保护区面积比率只有8.2%,也低于全国12.5%的比率。

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