Assessment of aquatic ecology status of Li Canal and its protection strategies

doi:10.7523/j.ucas.2022.009

Abstract

Abstract: The status of river ecology plays an important role in maintaining biodiversity and sustainable development. An accurate assessment of the aquatic ecology status of rivers in the context of the regional natural environment can provide a scientific basis for protecting river ecology. The aquatic ecology status of the Li Canal during 2017-2020 was evaluated according to the local standard for ecological river and lake status of Jiangsu Province. The aquatic ecology status of the Li Canal is "Good", with an improving trend during the study period. The indicators rated as "Good" and "Excellent" are mainly those in the aspects of water security, aquatic organism and aquatic habitat. Five of the eight indicators reach "Excellent", and two are rated as "Good". For the indicators in aquatic space aspect, the management (protection) boundary delineation rate is 100%. Public Satisfaction has been improved from "Moderate" in 2017-2018 to "Excellent" in 2019-2020. The shoreline use management index rating is "Satisfactory", with no significant improvement in the overall governance index. Our assessment results imply that it is necessary to strengthen water quality protection, to rationalize the development and utilization of the shoreline, to improve the institutional mechanism for river management and to strengthen the construction of law enforcement teams in the Li Canal.

Key words: the Li Canal, aquatic ecology status, aquatic ecology conservation, river management

CLC Number:

X826

ZHANG Qimou, LIN Siqun, GAO Ya, GAO Junfeng. Assessment of aquatic ecology status of Li Canal and its protection strategies[J]. Journal of University of Chinese Academy of Sciences, 2023, 40(5): 605-613.

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