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| 首都生态圈土地覆被及其生态服务功能特征 | |
| 引用本文： | 张彪,徐洁,王硕,李娜.首都生态圈土地覆被及其生态服务功能特征[J].资源科学,2015,37(8):1513-1519. |
| 作者姓名： | 张彪 徐洁 王硕 李娜 |
| 作者单位： | 1.中国科学院地理科学与资源研究所,北京 100101 2. 中国科学院大学,北京 100049 |
| 基金项目： | 北京市发展和改革委员会调研项目：“首都生态圈生态功能区划及生态建设重点问题研究”和“首都生态圈生态合作机制及案例研究”;国家自然科学基金项目（31200531） |
| 摘 要： | 基于2010年遥感影像数据和生态服务价值标准系数方法,评估分析了首都生态圈内地表覆被及其生态服务功能的空间差异。结果发现,首都生态圈内地表覆被以森林、草地和农田为主,林草集中分布在西部和北部山地丘陵区,农田主要分布在东南平原农业耕作区,二者组成了京津冀区域绿色空间的主体。2010年首都生态圈自然生态系统的生态服务总价值9 440亿元,其中水源涵养、生境维护和固碳释氧功能的价值相对较高。生态服务高值区域分布在天津、唐山和沧州等湿地资源集中的沿海地区,以及林草植被相对集中的西北部地区,是发挥生态屏障功能的主要供给区。此外,不同类型生态服务功能的空间分布有所差异,但生态服务供给区主要分布在承德、赤峰和张家口等林草植被资源丰富的地市。该研究结果对于首都生态圈功能分区与差异化生态保护建设具有较好的参考价值。 |
| 关 键 词： | 首都生态圈 生态服务功能 空间分异 土地覆被 京津冀协同发展 |
| 收稿时间： | 2015-05-10 |
| 修稿时间： | 2015-07-15 |
Regional differences in land cover and ecosystem services in the Capital Eco-sphere |
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| ZHANG Biao,XU Jie,WANG Shuo,LI Na.Regional differences in land cover and ecosystem services in the Capital Eco-sphere[J].Resources Science,2015,37(8):1513-1519. | |
| Authors: | ZHANG Biao XU Jie WANG Shuo LI Na |
| Institution: | 1. Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China 2. University of Chinese Academy of Sciences,Beijing 100049,China |
| Abstract: | Under climate change and rapid urbanization,the environment and ecology in the Beijing-Tianjin-Hebei Metropolitan Region have gradually deteriorated. The Capital Eco-sphere is an ecological zone based on the integrality of ecosystems and similarities in environment problems. This study investigated land cover types in the Capital Eco-sphere using satellite images from 2010,and estimated ecosystem services based on ecological pricing methods. The results indicate that forest,grassland and farmland constituted the majority of land cover in the Capital Eco-sphere. Forest and grass cover were mainly distributed in the western and northern area,and farmland was in the southeastern area, all of which account for the main body of green space. The total ecosystem service value was estimated to be 944 billion CNY,nearly 2.88 CNY per square meter; higher ecosystem values were allocated to water conservation,biodiversity protection,carbon fixation and oxygen release. The wetland ecosystem in Tianjin,Tangshan and Cangzhou provided the maximum ecosystem service value per unit area,while the forest and grassland ecosystems located in the western and northern areas had the highest total economic value because the areas of forest and grassland were greater than the area of wetland. Although there were some spatial differences in dominant ecosystem services,regions such as Chengde,Chifeng and Zhangjiakou have abundant vegetation cover providing vital ecological protection because of national policies and engineering measures such as the Three-North Shelter Forest Program. These results will clarify the spatial heterogeneity of the ecosystem service values in the capital eco-sphere and are valuable for future ecological protection cooperation in the Beijing-Tianjin-Hebei Metropolitan Region. |
| Keywords: | Capital Eco-sphere ecosystem service spatial difference land cover coordinated development of Beijing-Tianjin-Hebei |
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