1. 南京农业大学土地管理学院,南京,210095
2. 农村土地资源利用与整治国家地方联合工程研究中心,南京,210095
3. 滁州学院地理信息与旅游学院,安徽,滁州,239099
[ "王飞(1993-),女,在读博士研究生,主要从事土地利用变化与景观生态、生态系统服务研究。E-mail:1959619962@qq.com" ]
纸质出版:2023
移动端阅览
王飞, 陶芹, 程宪波, 等. 快速城镇化地区景观格局变化对水生态系统服务的影响[J]. 水土保持学报, 2023,37(1):159-167.
WANG Fei, TAO Qin, CHENG Xianbo, et al. Influence of Landscape Pattern Change on Water Ecosystem Service in Rapidly Urbanization Areas[J]. 2023, 37(1): 159-167.
王飞, 陶芹, 程宪波, 等. 快速城镇化地区景观格局变化对水生态系统服务的影响[J]. 水土保持学报, 2023,37(1):159-167. DOI: 10.13870/j.cnki.stbcxb.2023.01.022.
WANG Fei, TAO Qin, CHENG Xianbo, et al. Influence of Landscape Pattern Change on Water Ecosystem Service in Rapidly Urbanization Areas[J]. 2023, 37(1): 159-167. DOI: 10.13870/j.cnki.stbcxb.2023.01.022.
探究快速城镇化流域景观格局变化的水生态系统服务响应机制
对流域景观规划和生态系统服务提升具有重要意义。以太湖流域为研究区
基于土地利用数据
综合景观格局指数、应用SCS与InVEST、偏相关分析等模型与方法
在刻画景观格局以及雨洪调节、水土保持、水质净化3种典型水生态系统服务的空间分异特征基础上
重点探讨子流域尺度上水生态系统服务对不同景观格局特征的响应关系。结果表明:景观组成和配置对3类典型水生态系统服务的影响中
大部分结论与现有研究结论或认识一致
但也发现太湖流域耕地、林地景观斑块形状复杂程度均能改善河流水质
子流域中的湿地稀少斑块有利于减少面源污染。控制耕地规模、优化耕地与水体距离、减少坡耕地可以有效提升3种水生态系统服务;增加滨水地带林地面积并提高其斑块边缘密度、增加子流域湿地、草地比重有利于更好地控制水体污染;湿地、草地这类关键少量的景观类型的增加是提高水质净化服务最有效的途径。为更全面准确地刻画格局与水生态系统服务的响应关系
还需在生态系统服务流、非线性关系和阈值、不同格局特征对服务的相对贡献等方面开展深化研究。
Exploring the response mechanism of water ecosystem services to the change of watershed landscape pattern in rapidly urbanization is of great significance to watershed landscape planning and ecosystem service improvement. This study took the Taihu Lake Basin as the research area
based on land use data
models and methods such as comprehensive landscape pattern index
SCS and InVEST model
and partial correlation analysis were applied. On the basis of depicted the landscape pattern and the spatial differentiation characteristics of three typical water ecosystem services
which were stormwater regulation
soil and water conservation and water quality purification
the response relationship of water ecosystem services to the characteristics of different landscape patterns at sub-watershed scale was mainly discussed. The results showed that: among the impact of the composition and configuration of the landscape on the three typical water ecosystem services
most of the conclusions were consistent with existing research conclusions or understanding. However
it was also found that the complexity of the shape of cultivated land and woodland landscape patches in Taihu Lake basin could improve the river water quality
and the wetland rare patches in the sub-basin were conducive to reducing non-point source pollution. The three kinds of water ecosystem services could be effectively improved by controlling the scale of cultivated land
optimizing the distance between cultivated land and water body and reducing slope cultivated land. Increasing forestland area in waterfront area and improving the density of patch edge
increasing the proportion of wetland and grassland in sub-basin were conducive to better control water pollution. Increasing the key landscape types such as wetlands and grasslands was the most effective way to improve water purification services. In order to more comprehensively and accurately depict the response relationship between pattern and water ecosystem service
it is also necessary to carry out in-depth research on ecosystem service flow
non-linear relationship and threshold
and the relative contribution of different pattern characteristics to service.
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