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RESEARCH ARTICLE
Contents Vol 75(6)

Evaluation and analysis of water-regulation value of ecosystem in Qinghai area of Qilian Mountain National Park, China

Ying Zhang https://orcid.org/0000-0002-9964-9381 A * , Na Meng A , Yan Shi B and Xiaoge Li A
+ Author Affiliations
- Author Affiliations

A School of Economics & Management, Beijing Forestry University, Beijing, 100083, PR China.

B Institute of Management Cadres, State Forestry and Grassland Administration, Beijing, 102600, PR China.

* Correspondence to: zhangyin@bjfu.edu.cn

Handling Editor: Ritesh Kumar

Marine and Freshwater Research 75, MF22192 https://doi.org/10.1071/MF22192
Submitted: 5 November 2022  Accepted: 1 March 2024  Published: 12 April 2024

© 2024 The Author(s) (or their employer(s)). Published by CSIRO Publishing

Abstract

Context

Water-regulation services significantly affect local social and economic development in the Qinghai area of Qilian Mountain National Park, China, and also affect the role of a ‘solid reservoir’ in China.

Aim

The value and change trend of water regulation was assessed through the evaluation and prediction of the water-regulation value of ecosystems.

Methods

InVEST water yield model and SVR model are used to evaluate and predict the water-regulation value of ecosystem in this study.

Key results

Grassland plays an important role in water regulation, although the area of forestland is not large, its water-regulation monetary value in 2020 accounted for 13.92% of the total evaluation value. From 2010 to 2020, the physical value of water regulation increased by 2.24% and the monetary value increased ~0.97% annually. In 2030, the amount of physical and monetary value of water regulation will be increased.

Conclusion

Grassland plays an important role in water regulation. It is necessary to strengthen the asset management of water regulation and optimise the ecological resources.

Implications

The study findings are utilised to enhance monitoring and establish ecological big-data platform, thereby elevating the quality of national park development management and decision-making services.

Keywords: ecosystem services, evaluation of water regulation, high-quality development, integrated monitoring and evaluation, InVEST water-yield model and support vector regression, Qinghai area of Qilian Mountains National Park, water resources management.

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