海城河生态系统健康评价
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摘要
本文从水域和陆域两个层次构建了含有17项代表性指标的评价体系,将海城河划分为12个评价单元,综合评价其生态系统健康并分析生态环境存在的主要问题。研究表明:海城河生态系统健康评价等级在空间分布上存在一定差异,其中人口较为密集的下游区域评级等级相对较低,而上游区域较高;流域生态系统健康总体属于一般水平,水质质量指数是限制水域生态健康的主要因子,水源涵养功能、重要生境保持率、建设用地比率以及森林覆盖率等为限制陆域生态健康的主要因子。研究成果可为制定海城河流域生态补偿体制提供一定决策和参考依据。
An evaluation system with 17 representative indexes is constructed from the water and land areas. Haicheng River is divided into 12 evaluation units to comprehensively evaluate its ecosystem health and analyze the main problems existing in the ecological environment. The research shows that there are some differences in the spatial distribution of the ecosystem health evaluation grades of Haicheng River, among which the lower reaches with relatively dense population have relatively lower grades while the upper reaches have higher grades. River basin ecosystem health generally belongs to the general level. Water quality index is the main factor limiting water ecological health. Water conservation function, important habitat retention rate, construction land ratio and forest coverage rate are the main factors limiting land ecological health. The research results can provide certain decision-making and reference basis for making ecological compensation system in Haicheng River Basin.
An evaluation system with 17 representative indexes is constructed from the water and land areas. Haicheng River is divided into 12 evaluation units to comprehensively evaluate its ecosystem health and analyze the main problems existing in the ecological environment. The research shows that there are some differences in the spatial distribution of the ecosystem health evaluation grades of Haicheng River, among which the lower reaches with relatively dense population have relatively lower grades while the upper reaches have higher grades. River basin ecosystem health generally belongs to the general level. Water quality index is the main factor limiting water ecological health. Water conservation function, important habitat retention rate, construction land ratio and forest coverage rate are the main factors limiting land ecological health. The research results can provide certain decision-making and reference basis for making ecological compensation system in Haicheng River Basin.
引文
[1] 刘永,郭怀成.湖泊-流域生态系统管理研究[M].北京:科学出版社,2010.
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[9] 李单丹.农村河道护坡治理模式及生态护坡应用探讨[J].地下水,2018,40(1):209-210.
[10] 李强.关于生态水利在河道治理中的应用探讨[J].水土保持应用技术,2014(6):30-31.
[2] 王文杰,张哲,王维,等.流域生态健康评价框架及其评价方法体系研究(一)——框架和指标体系[J].环境工程技术学报,2012,2(4):271-277.
[3] 赵彦伟,杨志峰.河流健康:概念、评价方法与方向[J].地理科学,2005(1):119-124.
[4] 廖静秋,文航,苏玉,等.流域水生态系统的生境安全识别理论和方法研究——以太子河次流域本溪段为案例[J].生态环境学报,2012,21(7):1277-1284.
[5] 钱彤.凌河流域中小河流湿地建设技术措施探讨[J].水资源开发与管理,2015(4):45-47.
[6] 赵菊华.基于本体的水资源数据集成研究[J].中国水能及电气化,2007(10),31-33.
[7] 翟晶,徐国宾,郭书英,等.基于协调发展度的河流健康评价方法研究[J].水利学报,2016,47(11):1465-1471.
[8] 李钧.孝感城市河流水生态环境修复实践与探讨[J].水利建设与管理,2011,31(11):70-73.
[9] 李单丹.农村河道护坡治理模式及生态护坡应用探讨[J].地下水,2018,40(1):209-210.
[10] 李强.关于生态水利在河道治理中的应用探讨[J].水土保持应用技术,2014(6):30-31.
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