The Ecological Sensitivity Evaluation in Yellow River Delta National Natural Reserve
作者： Chen Liang , Xiaowen Li , None
关键词:
摘要: Based on the grid analysis of GIS, with combination habitat suitability assessment and human interference analysis, ecological sensitivity evaluation model was established. Firstly, endangered water-birds in Yellow River Delta NNR were prioritized as a database according to IUCN 2007 Red List, preference identified evaluated through literatures review field survey. By establishing GIS-based 200 × 200 m system, existing landscape-level, comprehensive index (CHSI) developed calculated by model. CHSI, graded. Secondly, typical species cranes selected from established indicator loss rate associated anthropogenic (roads oil wells) also analyzed grids GIS. Finally, basis results conducted overlying operation. The showed that: study area quite high whole; overall distribution coastal region while low inland region, ranking five classes. In area, extreme zone fair accounted for about 55.74%, moderate 16.2%, no constituted 22.81 5.19%, respectively. addition, compared function zones, related suggestions adjusting zones proposed aiming at enhancing conservation efficacy critical habitats.
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