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于2006年6月和2007年6月在荣成俚岛开展人工鱼礁投放前海域本底调查和投放后效果调查,分析比较了鱼礁区游泳动物、大型底栖动物的种类组成、生物多样性、种类丰度、CPUE和海藻等在人工鱼礁投放前后的变化。调查结果表明:人工鱼礁投放后,游泳动物和大型底栖动物种类总数、种类多样性指数和丰度均有所增加,分别是投礁前的1.78倍和1.32倍、1.47倍和1.22倍、1.68倍和1.62倍。游泳动物CPUE比投礁前增加1.39倍左右,其中鱼类的CPUE增加最多,尤其是大泷六线鱼和许氏平鲉等岩礁性鱼类,分别是投礁前的2.18倍和5.67倍。大型底栖动物种类有所增加,但CPUE略有减少。礁体上附着生长了马尾藻和海带等藻类。综合分析认为,人工鱼礁对游泳动物和大型底栖动物聚集和养护效果显著,鱼礁的投放也有利于海藻的附着、生长和藻场的恢复。
In June 2006 and June 2007 in Rongcheng Island before artificial reefs launched artificial background reef survey and post-launch effect survey, analysis and comparison of the reef area of swimming animals, macrobenthos species composition, biological diversity , Species abundance, changes in CPUE and seaweeds before and after artificial reefs were put into operation. The results showed that the total species, species diversity and abundance of swimming animals and macrobenthos increased after artificial reefs were put into operation, which were 1.78 times and 1.32 times, 1.47 times and 1.22 times higher than those before reefing, respectively. 1.68 times and 1.62 times. The CPUE of swimming animals increased by 1.39 times compared with that before reefs. Among them, the CPUE of fish increased most, especially the reef fish such as Otaki hexagrafish and Houttsus edutsui were 2.18 times and 5.67 times before reef. Macrobenthos species increased but CPUE slightly decreased. Reef attached to the growth of algae such as Sargassum and kelp. Comprehensive analysis shows that artificial reefs have significant effect on the aggregation and conservation of swimming animals and macrobenthos, and the placement of reefs is also conducive to the attachment and growth of algae and the recovery of algal blooms.