Quantitative evaluation of the rebuilding costs of ecological corridors in a highly urbanized city: The perspective of land use adjustment
Quantitative evaluation of the rebuilding costs of ecological corridors in a highly urbanized city: The perspective of land use adjustment
复制标题
高度城市化城市生态廊道重建成本定量评估：土地利用调整视角
DOI：
10.1016/j.ecolind.2022.109130
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发表时间：
2022-08
影响因子：
6.9
通讯作者：
Xiyue Chen
中科院分区：
文献类型：
--
作者：
Pingxing Li;Hui Cao;Wei Sun;Xiyue Chen
·选择土地利用调整成本作为评估重建潜在生态走廊可行性的指标。·所指示的生态走廊大多沿着连续水域，并有一定数量的土地利用和覆盖变化(LUCC)。·重建总成本大幅增加，城市土地调整主导了2000年后的增长。·就土地利用调整而言，200米宽的走廊在生态上是适宜的，在经济上是合理的。在栖息地丧失和生态系统碎片化日益严重的地区，功能良好的生态走廊对于保护生物多样性至关重要。虽然通过土地利用调整重建破碎的走廊是必要的，但有关空间上明确划定待调整土地和量化调整成本的相关讨论很少。基于一个被广泛采用的最小累积阻力模型，我们模拟了一个快速城市化的城市，即中国东部的南京，模拟了潜在的生态过程并确定了生态廊道。然后，我们分析了2000-2015年间相应的土地利用/覆被变化(LUCC)，并根据待调整土地的数量/空间分布及其不同的相关调整标准，定量计算了重建指示走廊的成本。结果表明，获得的廊道多为连续水域，但其内部仍存在LUCC；城市用地的空间扩展占主导地位，特别是在郊区和生态廊道的外部缓冲区。重建成本大幅增加，城市土地调整主导了这些增长。在空间上，大部分费用与郊区相关，并且随着廊道宽度的增加，费用明显增加。在综合考虑生态适宜性和经济合理性的基础上，得出200m是生态廊道重建最适宜的宽度，既能满足当地物种的需求，又能平衡当地的公共预算。我们探索了用于确定潜在生态走廊并定量评估重建成本的方法，从而为实施切实可行的土地利用调整提供了基础，以解决生态适宜性和经济合理性问题。
• The costs of land use adjustments were chosen as the indicator to evaluate the feasibility to rebuild potential ecological corridors. • The indicated ecological corridors are mostly along continuous waters and with certain amount of land use and cover changes (LUCCs). • Total rebuilding costs increase significantly, and urban land adjustments dominate the post-2000 growth. • 200-m-wide corridors are ecologically suitable and economically rational regarding land use adjustments. Well-functioning ecological corridors are critical for conserving biodiversity in areas undergoing increasing habitat losses and ecosystem fragmentation. Although it is essential to rebuild broken corridors by land use adjustments, related discussions of spatially explicit delineations of to-be-adjusted lands and quantitative adjustment costs are rare. Based on a widely adopted minimum cumulative resistance (MCR) model, we simulated the potential ecological processes and identified ecological corridors in a rapidly urbanized city, namely, Nanjing, in eastern China. We then analysed the corresponding land use and cover changes (LUCCs) from 2000 to 2015 and quantitatively calculated the costs of rebuilding the indicated corridors based on the indication of the amount/spatial distribution of to-be-adjusted lands and their different standards of related adjustment. The results indicated that most obtained corridors were along continuous waters, but LUCCs still occurred within them; the spatial expansion of urban lands dominated, especially in the suburban areas and outer buffers of the ecological corridors. The rebuilding costs increased significantly, and urban land adjustments dominated these increases. Spatially, most costs were associated with suburban areas, and the costs increased obviously as the corridor width increased. Based on the comprehensive consideration of ecological suitability and economic rationality, we found that 200 m was the most appropriate width for rebuilding ecological corridors, as it can both meet the demands of local species and balance the local public budget. We explored methodologies used to identify potential ecological corridors and quantitatively evaluate the costs of rebuilding them, thus providing a basis for implementing practical and feasible land use adjustments addressing ecological suitability and economic rationality.
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DOI：
10.5846/stxb201809162015
发表时间：
2019
期刊：
生态学报
影响因子：
--
作者：
梁龙武;王振波;方创琳;孙湛
通讯作者：
孙湛
影响因子：
7
作者：
Long Hua-lo
通讯作者：
Long Hua-lo
DOI：
--
发表时间：
2012
期刊：
Journal of Southwest Forestry University
影响因子：
--
作者：
Huang Wen-qi
通讯作者：
Huang Wen-qi
影响因子：
8.7
作者：
Bunn, AG;Urban, DL;Keitt, TH
通讯作者：
Keitt, TH
影响因子：
--
作者：
Y. Kong
通讯作者：
Y. Kong