Human Settlements Research Center, Liaoning Normal University, 116029 Dalian, China; Liaoning Key Laboratory of Physical Geography and Geomatics, Liaoning Normal University, Dalian, China.
Human Settlements Research Center, Liaoning Normal University, 116029 Dalian, China; Liaoning Key Laboratory of Physical Geography and Geomatics, Liaoning Normal University, Dalian, China.
Sci Total Environ. 2018 Oct 15;639:1453-1461. doi: 10.1016/j.scitotenv.2018.05.253. Epub 2018 May 27.
In this study, a green space classification system for urban fringes was established based on multisource land use data from Ganjingzi District, China (2000-2015). The purpose of this study was to explore the spatiotemporal variation of green space landscapes and ecosystem service values (ESV). During 2006-2015, as urbanization advanced rapidly, the green space area decreased significantly (359.57 to 213.46 km), the ESV decreased from 397.42 to 124.93 million yuan, and the dynamic degrees of ESV variation were always <0. The green space large plaque index and class area both declined and the number of plaques and plaque density increased, indicating green space landscape fragmentation. The dynamic degrees of ESV variation in western and northern regions (with relatively intensive green space distributions) were higher than in the east. The ESV for closed forestland and sparse woodland had the highest functional values of ecological regulation and support, whereas dry land and irrigated cropland provided the highest functional values of production supply. The findings of this study are expected to provide support for better construction practices in Dalian and for the improvement of the ecological environment.
本研究基于中国甘井子区（2000-2015 年）多源土地利用数据，建立了城市边缘区绿地分类系统。旨在探讨绿地景观和生态系统服务价值（ESV）的时空变化。2006-2015 年，随着城市化的快速推进，绿地面积显著减少（359.57 至 213.46km），ESV 从 397.42 降至 124.93 百万元，ESV 变化的动态度始终<0。绿地大斑块指数和类别面积均下降，斑块数量和斑块密度增加，表明绿地景观破碎化。西部和北部地区（绿地分布相对密集）的 ESV 变化动态度高于东部地区。封闭林地和稀疏林地的 ESV 具有最高的生态调节和支持功能价值，而旱地和灌溉耕地提供了最高的生产供应功能价值。本研究结果有望为大连的更好建设实践和生态环境改善提供支持。
