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Changes in coastal city ecosystem service values based on land use—A case study of Yingkou, China

Author:
Ying Li  Yu Feng  Xiaorong Guo  Fei Peng  


Journal:
Land Use Policy


Issue Date:
2017


Abstract(summary):

Graphical abstract Highlights • Ecological communities are greatly influenced by urban economic development. • The value of water ecosystem services in Yingkou has reduced significantly in recent years. • Land reclamation is the main reason for the decline in ecosystem service values in Yingkou. • The differences between the values of the various ecological communities are increasing over time. Abstract The valuation of ecosystem services is intended to facilitate the rational and sustainable utilization of natural resources. However, calculating the values of natural resources is complex, and research is underway in this regard. The change of land use types can reflect the changes in the area of each ecosystem; therefore, in this study, land use changes in Yingkou (located in the south of Liaoning Province and an important port city) over a 10-year period (2004–2014) are assessed using a geographic information systems platform and the 2004, 2009 and 2014 Thematic Mapper remotely sensed images of the area. The Costanza calculation method and classification system are used to estimate changes in the total values of ecosystem services in the Yingkou area from 2004 to 2014 and to investigate the causes of these changes. The “change tendency” of particular ecological communities is calculated using the Variable coefficient, the Gini coefficient, and the Theil index. The results reveal the following: (i) The total value of ecosystem services in the Yingkou area decreased drastically (i.e., from $2567.60 million to $2127.26 million, representing a 17.2% decline) between 2004 and 2014. (ii) Aquatic ecosystem services are valued greater than terrestrial services. In Yingkou, a decline in the value of aquatic ecosystem services accounts for 88.6% of the total decrease in ecosystem service value. (iii) Land reclamation in the Yingkou urban area emerges as the primary factor influencing ecosystem service values for the various ecological communities in the region. The ecosystem service value of each ecological community is different, and the differences between the contributions made by the various communities to the total ecosystem services value are increasing over time. (iv) The decline in ecosystem service values in Yingkou is linked to urban development. Following widespread land reclamation, an increase in land area intended for urban construction is associated with a decrease in water area.


Page:
287-287


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