粤东柘林湾溜牛人工鱼礁建设选址生态基础评价

采用层次分析法,构建了基于生态系统效应的资源保护型人工鱼礁建设选址评价方法,通过选择水文、水质、底质和浮游生物、鱼卵仔鱼、大型底栖动物、游泳动物、初级生产力、潮间带大型底栖动物等30个海洋环境与海洋生物因子,建立了人工鱼礁建设选址生态评估模型;以柘林湾溜牛人工鱼礁区选址区域为例,对所选因子进行了春、夏、秋、冬4个季度的跟踪监测,探讨了该海区进行人工鱼 礁建设的适宜性,根据该模型计算得出各季度人工鱼礁建设选址生态基础评价指数分别为0.65、0.71、0.63、0.64,平均为 0.66,计算结果表明,该区域建礁生态基础良好,适宜选址开展人工鱼礁建设,其中生态基础最优的季节为夏季。

Ecological basis assessment of artificial reef site selection in Liuniu coastal waters of Zhelin Bay,Eastern Guangdong

The AHP was employed to evaluate the stock protection artificial reef site selection based on ecosystem effect. We selected 30 marine environment and marine biological factors (hydrology, water quality, sediment, macrobenthos, swimming animals, primary productivity, intertidal macrobenthos, etc.) to establish an ecological evaluation model for artificial reef site selection. This paper tracked and monitored the selected factors at artificial reef site in the Liuniu coastal waters of Zhelin Bay in spring, summer, autumn and winter. The suitability of this area for building artificial reefs was discussed. According to the calculation results by this model, indices of ecological basis assessment for artificial reef site selection in each season were 0.65, 0.71, 0.63 and 0.64 with an average value of 0.66. The results show that there is a good ecological foundation for building artificial reef, and it is a suitable site to construct artificial reefs. The optimal ecological foundation is in summer.