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Optimization and Comprehensive Evaluation of River Ecosystem Service Value Based on Functional Value Method
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Chen-yin CAI1, Li-ke ZHAO2, Hui XU1, Yu-hui GAO1, Meng-yuan TAN1
Water Resources and Power | 2023, 41(9) : 44 - 47
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Water Resources and Power | 2023, 41(9): 44-47
• HYDROLOGY, WATER RESOURCES AND ENVIRONMENT •
Optimization and Comprehensive Evaluation of River Ecosystem Service Value Based on Functional Value Method
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Chen-yin CAI1, Li-ke ZHAO2, Hui XU1, Yu-hui GAO1, Meng-yuan TAN1
Affiliations
  • 1.College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
  • 2.Geological Survey of Jiangsu Province, Nanjing 210018, China
Published: 2023-09-25 doi: 10.20040/j.cnki.1000-7709.2023.20222401
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In order to fully reflect the natural environmental conditions and effects formed and maintained by the river ecosystem, which is the basis of human life, after in-depth analysis of the river ecosystem service function, the calculation method of carbon fixation and other functions was optimized. Based on the functional value method, a scientific and reasonable river ecosystem service value (ESV) evaluation methods covering more comprehensive functions was proposed, and Nanhe River ESV in Liyang City was studied with an example. The total ESV of Nanhe River in 2019 is 1.242 billion yuan, with the value of regulation, support, supply and cultural functions accounting for 76.5%, 12.2%, 11.1% and 0.2% respectively, which can provide reference for natural resource asset accounting and ecological compensation standards.

river ecosystem  /  functional value method  /  service function  /  economic value  /  Nanhe River
Chen-yin CAI, Li-ke ZHAO, Hui XU, Yu-hui GAO, Meng-yuan TAN. Optimization and Comprehensive Evaluation of River Ecosystem Service Value Based on Functional Value Method[J]. Water Resources and Power, 2023 , 41 (9) : 44 -47 . DOI: 10.20040/j.cnki.1000-7709.2023.20222401
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Year 2023 volume 41 Issue 9
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20222401
  • Receive Date：2022-11-14
  • Online Date：2026-01-28
  • Published：2023-09-25
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  • Received：2022-11-14
  • Revised：2022-12-07
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    1.College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
    2.Geological Survey of Jiangsu Province, Nanjing 210018, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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