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Biofouling Community Development on Commercial Cage Nets Submerged in a Cage Aquaculture Facility in the Red Sea
Thalassas: An International Journal of Marine Sciences ( IF 0.7 ) Pub Date : 2020-07-09 , DOI: 10.1007/s41208-020-00235-7
Mohammad Abdulaziz Ba-Akdah , Sathianeson Satheesh , Mohsen M. O. El-Sherbiny

The colonization of biofouling organisms is a significant problem for the aquaculture installations which affect the economy of the fish farms and wellbeing of the cultured fish. In this study, the colonization of biofouling organisms on cage aquaculture nets submerged near to the existing floating cages was analysed for a period of one year from June 2017 to May 2018. Cage net panels were fitted onto an iron frame and submerged at 1 m depth near to existing aquaculture cages. The biofouling organisms found on the panels mainly consisted of macroalgae, bivalves, bryozoans, hydrozoans and ascidians. Some other epifauna like brittle stars, polychaetes, amphipods, crabs, gastropods were also occurred more occasionally on the nets. Recruitment of green algae and brown algae were observed from the first month of net panel exposure. Bivalves and ascidians were developed from the second month. Hydrozoans and bryozoans appeared on the nets after 7 months of panel deployment. Results also revealed that ascidians and bivalves were the dominant fouling organisms in most of the sampling months during this study period.



中文翻译:

淹没在红海网箱养殖设施中的商业网箱上的生物污染社区发展

对于水产养殖设施而言,生物污染生物的殖民化是一个重大问题,这会影响养鱼场的经济和养殖鱼类的福祉。在这项研究中,分析了从2017年6月到2018年5月为期一年的时间,对淹没在现有浮笼附近的网箱养殖网上的生物污损生物进行定殖。将网箱板安装在铁架上并浸入1m深度靠近现有的水产养殖网箱。面板上发现的生物污染生物主要由大型藻类,双壳类,苔藓类,水生动物和海鞘组成。网上还偶尔出现其他一些动物,如脆性恒星,多毛类,两栖类,蟹类,腹足类。从净接触面板的第一个月开始观察到绿藻和棕藻的吸收。双壳类和海鞘从第二个月开始发育。面板部署7个月后,水生动物和苔藓动物出现在网上。结果还显示,在此研究期间的大多数采样月份中,海生动物和双壳类动物是主要的结垢生物。

更新日期:2020-07-24
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