Abstract
Artificial reefs and Seaweed enhancement floating rafts (abbreviated as floating rafts) are two main facilities for habitat creation in marine ranching. To understand the effects of artificial reefs, floating rafts, and artificial reef and floating raft combination (referred to as reef + raft) on the marine environment, a survey of the marine environment of The Bay Marine Ranch in Lvshun was conducted from 2021 to 2022, and Dissolved Inorganic Nitrogen (DIN), Dissolved Inorganic Phosphorus (DIP), Dissolved Oxygen (DO), Chemical Oxygen Demand (COD), petroleum, Suspended solids and Heavy metals (including Cu, Pb, Zn, Cd, Hg, As), etc. The dynamic changes of the indicators and the fuzzy membership function of the indicators were determined according to the seawater quality standards, the indicator weights were determined by using the analytic hierarchy process, and the fuzzy comprehensive evaluation values of the three artificial habitats were calculated. The results show that all seawater quality indicators in September 2021, March 2022 and November 2022 meet the Class I Seawater Quality Standard (GB3097—1997) and are suitable for marine fishing waters. In April 2022, the survey indicators of the waters of Tahe Bay in Lvshun were all in line with Class II Seawater Quality Standard (GB3097—1997), except one station where the suspended matter was of Class III Seawater Quality Standard (GB3097—1997), which was suitable for mariculture waters. In 2021, artificial reefs, floating rafts, reef+raft on the quality of the human living environment: artificial reefs =reef +raft > floating rafts; the degree of impact on the marine biological habitat: reef + raft >artificial reefs > floating rafts; the degree of influence of artificial reefs, floating rafts, reef + raft on human living environment quality in 2022: reef+raft >floating rafts>artificial reefs; the degree of influence on the habitat of marine organisms: reef+raft >artificial reefs> floating rafts.
References
[1] Shouyu Zhang, Zhenhua Wang. (2011). Research progress on key habitats of fish [J]. Fisheries Modernization, 38, 58-65.
[2] Zhenlin Liang, Shengsheng Guo, Zhaoyang Jiang, et al. (2020). The concept and technology of constructing a "full life history of fish" type marine ranch [J]. Journal of Fisheries, 44, 1211-1222.
[3] Hongsheng Yang, Shouyu Zhang, Xiumei Zhang, et al. (2019). Strategic Thinking on the Construction of Modern Marine Ranch in China [J]. Journal of Fisheries, 43, 1255-1262.
[4] Specifications for Marine Investigation, Part 9: Guidelines for Marine Ecological Investigation: GB/T: 12763.9-2007 [S]. Beijing: Environmental Science Press, 2007.
[5] State Environmental Protection Administration, State Oceanic Administration. Sea water quality standard: GB3097-1997 [S]. Beijing: Environmental Science Press, 1997
[6] Qiangqiang Yin, Shouyu Zhang. (2012). Preliminary study on the ecological effect evaluation system of resource conservation Artificial reef in the East China Sea [J]. Marine Fisheries, 34, 23-31.
[7] Dalin Shi, Xiaohua Hu, Zuozhu Wen, Haizheng Hong. (2021). Marine biological nitrogen fixation and its response to Global change [J]. Journal of Xiamen University (Natural Science Edition), 60, 367-381.
[8] Yi Wang, Lu Wang, Shi Li. (2020). Research progress of heavy metal pollution in offshore environment [J]. Journal of Dongguan University of Technology, 27, 95-103.
[9] Yuanjia Zheng, Xuezhong Chen, Jiahua Cheng, et al. (2003). Biological Resources and Environment of the East China Sea Continental Shelf [M]. Shanghai Science and Technology Press, 16-17.
[10] Yin Zhu, Zhiyong Meng, Shuyu Kan. (1999). Calculating Weights Using Analytic Hierarchy Process [J]. Journal of North Jiaotong University, 23, 119-122.
[11] Changxu Qin, Limei Xu. (2021). Research progress on Bioremediation of heavy metals by algae [J]. Aquaculture, 42, 5-11.
[12] Weiding Wang, Jun Liang, Shouyu Zhang, et al. (2010). The impact of Artificial reef construction on nutrients and water quality in Shengsi sea area, Zhejiang Province [J]. Journal of Hydrobiology, 34, 78-87.
[13] Yan Zhang, Jufa Chen, Feng Guo, et al. (2013). Change characteristics of water quality in Laizhou Artificial reef waters [J]. Progress in Fisheries Science, 34, 1-7.
[14] Pimao Chen, Huarong Yuan, Xiaoping Jia, et al. (2013). Preliminary study on changes of fishery resources in Yangmeikeng Artificial reef area of Daya Bay [J]. South Fisheries Science, 42, 85-92.
[15] Xiaoping Jia, Feiyan Du, Qin Lin, et al. (2003). Discussion on the comprehensive assessment method of the ecological environment quality of marine fishing grounds [J]. China Fisheries Science, 10, 160-164.
[16] Weifeng Liu, Dahai Liu, Song Guan, Wei Jiang. (2021). The connotation and improvement path of ecological benefits of marine ranching [J]. China Environmental Management, 13, 33-38.
[17] Yunxu Chai, Changlai Xiao, Xiujuan Ling, et al. (2019). Applicability of grey correlation and fuzzy comprehensive evaluation of improved method in groundwater quality evaluation [J]. Water Resources and Hydropower Technology, 50, 146-152.
[18] Guifang He, Guoming Yuan. (2007). Comprehensive assessment of water quality in the Pearl River Estuary in recent 20 years using fuzzy mathematics [J]. Marine Environmental Science, 26, 53-57.
[19] Xu Wang, Yonggang Wang, Changhong Sun, et al. (2016). Research progress on the formation mechanism and evaluation methods of urban black and odorous water bodies [J]. Journal of Applied Ecology, 27, 1131-1140.
[20] Jufang Chen, Yuzao Qi, Ning Xu, et al. (2006). Community structure and annual quantitative change of Phytoplankton in Aotou waters of Daya Bay [J]. Journal of Hydrobiology, 30, 475-480.
[21] Guanghui Wang. (1987). Phosphate Pollution and Its Elimination in Water [J]. Industrial Water Treatment, 60-61.
[22] Rude Li. (1986). Water pollution caused by detergents and phosphates [J]. Journal of Agricultural and Environmental Sciences, 45-46.
[23] Zhen Li. (2002). Pollution hazards and prevention strategies of phosphates in detergents on water bodies [J]. Chemical Technology Market, 25, 25-27.