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Assessing the Changes of Ecosystem Services in the Nansi Lake Wetland, China

School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
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Water 2019, 11(4), 788; https://doi.org/10.3390/w11040788
Received: 17 February 2019 / Revised: 9 April 2019 / Accepted: 11 April 2019 / Published: 16 April 2019
(This article belongs to the Special Issue Ecological Assessment of Wetlands)
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Abstract

Wetlands provide many essential ecosystem services for human well-being. The ecological assessment of wetland ecosystem services is problematic and thus is an important focus in the field of ecological research. In this study, an ecological assessment system containing the ecosystem product value, ecosystem regulation service value, and ecosystem cultural service value was established to calculate the gross ecosystem product in the Nansi Lake Wetland, China. Based on remote sensing images, field studies, and literature reviews, the gross ecosystem product was estimated for the years 1985, 1992, 2005, 2011, and 2017. The results showed that the gross ecosystem product of the Nansi Lake Wetland increased from 40.91 × 108 USD in 1985 to 46.28 × 108 USD in 2017. The gross ecosystem product of the altered wetlands increased by about 8.5 times with a rising linear relationship, while natural wetlands presented a nonlinear relationship. Furthermore, except for the changes in climatic condition, anthropogenic interference factors such as coal mining activities, farming practices, and government policies have promoted significant services in the Nansi Lake Wetland over the past 30 years. This study could provide important insight into the ecological assessment of wetland ecosystems and thus inform policy for the protection and better use of wetland resources. View Full-Text
Keywords: wetland ecosystems; ecosystem services; gross ecosystem product; Nansi Lake Wetland wetland ecosystems; ecosystem services; gross ecosystem product; Nansi Lake Wetland
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Wang, F.; Zhang, S.; Hou, H.; Yang, Y.; Gong, Y. Assessing the Changes of Ecosystem Services in the Nansi Lake Wetland, China. Water 2019, 11, 788.

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