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ISSN:2325-6192 (print)
ISSN:2325-6206 (online)
Journal of Environmental Accounting and Management
António Mendes Lopes (editor), Jiazhong Zhang(editor)
António Mendes Lopes (editor)

University of Porto, Portugal

Email: aml@fe.up.pt

Jiazhong Zhang (editor)

School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China

Fax: +86 29 82668723 Email: jzzhang@mail.xjtu.edu.cn

Measuring the Effectiveness of Four Restoration Technologies Applied in a Degraded Alpine Swamp Meadow in the Qinghai-Tibet Plateau, China

Journal of Environmental Accounting and Management 9(1) (2021) 59--74 | DOI:10.5890/JEAM.2021.03.006

Xiaoyan Wei$^{1,2}$, Xufeng Mao$^{1,3}$ , Wenyin Wang$^{1,4}$, Yaqin Tao$^{5}$, Zhifa Tao$^{5}$, Yi Wu$^{3}$, Jiankang Ling$^{3}$

$^1$ Academy of Plateau Science and Sustainability College Geography Science, Qinghai, Xining 810000, China

$^2$ School of Economics and Management, Qinghai Normal University, Qinghai, Xining 810000, China

$^3$ Key Laboratory of Physical Geography and Environmental Processes, School of Geographcial Science, Qinghai Normal University, Qinghai, Xining 810000, China

$^4$ School of Life Science, Qinghai Normal University, Qinghai, Xining 810000, China

$^5$ Management Center of Huangshui National Wetland Park, Xining 810000, China

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Abstract

To assess the effectiveness of the four restoration techniques (one mono-technology, three combined technologies) on a degraded meadow swamp in Three-river Source Region, we developed a Biology-Environment-Service assessment framework that incorporates 12 indicators from plant, soil to ecosystem services. Two years (2018 and 2019) field monitoring and experimental data revealed that a good restoration effect achieved by the ecological restoration project. The average comprehensive restoration index (CRI)of four restoration sites are, respectively, 0.68, 0.89, 0.71 and 0.84, belonging to a level of GOOD or EXCELLENT. Restoration effect of ensemble restoration technologies is about 4.4%-30% better than that of single fencing. The vegetation restoration was about 2.8 times faster than that of soil and ecosystem services under the same restoration technology during research periods. Restoration effect presented significant difference in respond to various restoration techniques. A combination restoration measue (Fencing + water reservation + reseeding) is recommended as a potential effective restoration method for early stage of alpine wetland restoration.

Acknowledgments

We would like to repress our gratitude to Xiaoxia Su, Yupeng Chen, Yanchun Zhang and Xianxia Bao for their support in sampling and experiments. Thank the editor and reviewers for their time spent on reviewing our manuscript and their comments helping us improving the article.

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