基于“活力-组织力-恢复力-贡献力”框架的甘肃省黄河流域生态安全格局构建  

Construction of Ecological Security Pattern in the Yellow River Basin of Gansu Province Based on the Framework of Vigor,Organization,Resilience and Contribution

作　　者：吴翠霞 颉继珍 包琼 雷元奇 WU Cuixia;XIE Jizhen;BAO Qiong(Gansu Province Land Development and Management Center,Lanzhou,Gansu 730000,China;College of Resources and Environment,Lanzhou University,Lanzhou,Gansu 730000,China)

机构地区：[1]甘肃省土地开发整理中心,甘肃兰州730000 [2]兰州大学资源环境学院,甘肃兰州730000

出　　处：《中国水土保持》2024年第7期53-58,I0001,共7页Soil and Water Conservation in China

基　　金：甘肃省自然资源厅科技创新项目(202242)。

摘　　要：甘肃省黄河流域位于黄河流域的上游,是我国重要的生态安全屏障。构建生态安全格局有助于保护和恢复区域生物多样性,维护生态系统结构和过程的完整性,最终实现对区域生态环境的持续改善。基于“活力-组织力-恢复力-贡献力”框架开展甘肃省黄河流域生态系统健康和生态安全评价,识别生态源地和生态廊道,并构建甘肃省黄河流域生态安全格局。结果表明:(1)甘肃省黄河流域较健康和亚健康状态的面积较大,健康状态的面积最小;(2)生态安全状况总体呈现“北低南高”的分布特征,以较低安全和中度安全为主,较高安全和高度安全面积较小;(3)识别出的生态源地共30块、总面积为8 807.99 km2,生态廊道51条、总长度为3 155.83 km;(4)基于生态系统健康和生态系统安全评价结果,以及生态源地、生态廊道识别结果,构建了甘肃省黄河流域“四屏七区多组团”的生态安全格局。The Yellow River Basin of Gansu Province is located in the upper reaches of the Yellow River Basin and is an important ecological security barrier in China.Building the ecological security pattern helps to protect and restore regional biodiversity,maintain ecosystem structure and processes completeness,and achieve continuous improvement of the regional ecological environment.Based on the framework of vigor,organization,resilience and contribution,the paper carried out assessment on ecosystem health and ecological security in the Yellow River Basin of Gansu Province,identified ecological source areas and corridors,and constructed the ecological security pattern in the Yellow River Basin of Gansu Province.The outcomes show that (a)the area of relatively healthy and sub healthy states is larger,while the area of healthy states is the smallest in the Yellow River Basin of Gansu Province;(b)the ecological security pattern shows a distribution pattern of relatively low in the north and high in the south,with the areas of relatively low and moderate safety are larger,and the areas of high safety and relatively high safety are relatively smaller;(c)there are 30 identified ecological source areas with the total area of 8807.99 km2,and 51 ecological corridors with the total length of 3155.83 km;(d)based on the evaluation results of ecosystem health and ecological security,as well as the identification results of ecological source areas and ecological corridors,the ecological security pattern of four barriers,seven zones,and multiple clusters in the Yellow River Basin of Gansu Province has been constructed.

关 键 词：“活力-组织力-恢复力-贡献力”框架 生态安全格局 黄河流域 甘肃省 

分 类 号：X321[环境科学与工程—环境工程]