Ecosystem management based on ecosystem services and human activities: a case study in the Yanhe watershed |
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Authors: | Changhong Su Bojie Fu Yongping Wei Yihe Lü Guohua Liu Daolong Wang Kebiao Mao Xiaoming Feng |
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Institution: | (1) State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing, 100085, People’s Republic of China;(2) Australia–China Centre on Water Resources Research/Uniwater, The University of Melbourne, Parkville, 3010, Australia;(3) Institute of Natural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, People’s Republic of China; |
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Abstract: | With activities that alter the structure and function of the habitat, humans have a direct impact on ecosystems and ecosystem
services, i.e., the conditions and processes that sustain human life. In this study, 35 townships in the Yanhe watershed in
the Loess Plateau of China were selected. The net primary production (NPP), carbon sequestration and oxygen production (CSOP),
water conservation, and soil conservation were the ecosystem services selected and valuated. Human activity was quantified
by an integrated human activity index (HAI) based on population density, farmland ratio, and the influence of road networks
and residential areas. The NPP, CSOP, and water conservation showed a conspicuous spatial pattern fanning outward from the
southwest, while the soil conservation showed an obscure spatial pattern distinguished primarily by the peripheral area surrounding
the urbanized areas. Total ecosystem services in the Yanhe watershed demonstrated a decreasing pattern from south to north,
and the HAI was in proportion to administrative and economic development. Based on the selected ecosystem services and HAI,
we mapped the townships of the Yanhe watershed by cluster analysis, and provided sustainable ecosystem management suggestions,
tailored to the social-ecological map. |
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