摘要
以连云港疏港航道结合送水工程为研究对象,分析了该工程在施工期、运营期对陆域生态环境、水域生态环境的影响。结果表明,工程施工占地共302.13 hm^2,地表裸露,自然系统生产能力遭受一定的损失;工程实施使区域自然体系的生物量减少了10855.8 t,占整个研究区生物量总量的0.51%;工程建设完成后,河道流量增大、流速增大,水体自净能力加强,水质有所改善,整个工程区的植被可恢复率达97%,林草覆盖率达22%。通过增加地表植被、改良土壤性质,可增加土壤渗透率,减轻土壤侵蚀。
Taking the Lianyungang Shugang Channel combined with water supply project as the research object,the influence on the ecological environment of the land area and water area during the construction period and operation period is analyzed.The results show that the project construction covers a total area of 302.13 hm^2,the construction surface is bare,and the natural system production capacity suffers a certain loss;The implementation of the project reduced the biomass of the regional natural system by 10855.8 t,accounting for 0.51% of the total biomass of the entire study area;After the completion of the project,the river flow rate and self-purification capacity are increased,and the water quality is improved.The vegetation recovery rate of the whole project area reaches 97%,and the coverage rate of forest and grass reaches 22%.By increasing surface vegetation and improving soil properties,soil permeability can be increased and soil erosion can be reduced.
作者
张薷予
ZHANG Ru-yu(School of Public Administration&Law,Chang’an University,Xi’an 710064,China)
出处
《湖北农业科学》
2020年第12期75-78,共4页
Hubei Agricultural Sciences
关键词
引水工程
生态环境
陆生生态
水域生态
long-distance water diversion project
ecological environment
terrestrial ecology
water ecology
