Evolution of Ecosystem Service Values and the Response to Landscape Pattern Change in the Huaihe River Eco-Economic Belt

Ziyun Wang, Huaijun Wang (), Zhenjie Liu, Ru Feng and Yingping Pan
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Ziyun Wang: School of Urban and Environmental Sciences, Huaiyin Normal University, Huai’an 223300, China
Huaijun Wang: School of Urban and Environmental Sciences, Huaiyin Normal University, Huai’an 223300, China
Zhenjie Liu: School of Urban and Environmental Sciences, Huaiyin Normal University, Huai’an 223300, China
Ru Feng: School of Urban and Environmental Sciences, Huaiyin Normal University, Huai’an 223300, China
Yingping Pan: School of Urban and Environmental Sciences, Huaiyin Normal University, Huai’an 223300, China

Land, 2023, vol. 12, issue 7, 1-17

Abstract: Land use change has serious impacts on the structure, function, and layout of the landscape pattern, which significantly affects ecosystem service values (ESVs). Based on land use data over a 10-year interval from 1980 to 2020, this study analyzed the evolution characteristics of ESVs and landscape ecological security in the Huaihe River Eco-Economic Belt using the equivalent factor method (EFM) and landscape pattern indices. The results show that the following: (1) The ESVs of the Huaihe River Eco-Economic Belt has increased by approximately 4% in the past 40 years, primarily characterized by increases in the values of services associated with the water environment (water supply, purifying environment, and hydrological regulation) and decreases in the values of services not associated with the water environment (food production, raw material production, gas conditioning, climate control, soil conservation, nutrient cycle maintenance, and biodiversity). (2) The landscape indices of landscape division index, edge density, marginal entropy, fractal dimension index, and Shannon’s diversity index have shown increasing trends, and human activities in the study area are more widespread and fragmented. (3) Landscape fragmentation significantly reduced the values of non-water services, but the increase in the values of water-related services masked the impact of landscape fragmentation on the total ESVs. The EFM overestimated the ESVs of the water environment, such as hydrological regulation in areas with a large expansion of the water area, which may introduce uncertainties in the results.

Keywords: ecosystem service value; equivalent factor method; landscape index; Huaihe River Eco-Economic Belt (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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