An integrated approach towards spatial identification of restored and conserved priority areas of ecological network for implementation planning in metropolitan region
An integrated approach towards spatial identification of restored and conserved priority areas of ecological network for implementation planning in metropolitan region
复制标题
大都市区实施规划中生态网络恢复和保护优先区域空间识别的综合方法
DOI：
10.1016/j.scs.2021.102865
复制
发表时间：
2021-03-23
影响因子：
11.7
通讯作者：
Cheng, Hang
中科院分区：
文献类型：
--
作者：
Huang, Longyang;Wang, Jing;Cheng, Hang
快速城市化导致景观破碎化、生境丧失和生态系统功能的破坏。生态网络是缓解快速城市化对生态系统负面影响的有效综合空间调控机制。然而，构建网络的方法并不足以确定其空间范围，并忽略了可能影响其功能和有效性的内部缺陷和外部威胁。本文以上海都市圈为例，提出了一种综合的空间范围识别方法，结果表明，优先恢复区包括陆地生态廊道的障碍物和生态断裂点，生态廊道的生态断裂点是生态系统恢复和保护的优先区域生态系统（TEC）面积为79.21 km2，优先保护区包括TEC中273.3 km2的面积生态斑块和AEC中891.35 km的生态廊道水道。这种方法试图提供一个空间参考的识别和实施EN在大都市地区的重点恢复和保护的优先领域。
Rapid urbanization has led to landscape fragmentation, habitat loss, and the disruption of ecosystem functions. Ecological networks (ENs) are effective comprehensive spatial regulation schemes for mitigating the negative impacts of rapid urbanization on ecosystems. However, the methods of constructing ENs were not sufficiently developed for determining its spatial range and overlooked its internal defects and external threats which may affect its function and effectiveness. Taking the Shanghai metropolitan region as a case study area, this study developed an integrated approach to identify the spatial range, internal defects and external threats of ENs based on circuit theory and assessment of ecological degradation risk to identify the restored and conserved priority areas of ENs. The results show that the restored priority areas included the obstacles and ecological fracture points of ecological corridors in the terrestrial ecosystem (TEC), covering an area of 79.21 km2, and the conserved priority areas were composed of 273.3 km2 of areal ecological patches in the TEC, and 891.35 km of waterways of ecological corridors in the aquatic ecosystem (AEC). This approach attempts to provide a spatial reference for the identification and implementation of ENs in metropolitan regions by focusing on restored and conserved priority areas.