Influence of intensive net cage farming on hydrodynamic and geochemical environmental conditions and the mass mortality of abalone in South Korea

MARINE POLLUTION BULLETIN

卷:169

Article

Sim, Bo-Ram¹  Kim, Hyung Chul²  Kang, Sungchan¹  Park, Kyeong Dong³  Yoon, Sunyoung³  Hong, Sokjin⁴  Yoon, Sang-Pil¹  Kim, Jeong Bae¹  Lee, Won-Chan¹ 

[1] Natl Inst Fisheries Sci, Marine Environm Res Div, 216 Gijanghaean Ro, Busan 46083, South Korea

[2] Natl Inst Fisheries Sci, Res & Dev Planning Div, 216 Gijanghaean Ro, Busan 46083, South Korea

[3] Inst Fisheries Resources Ecol, 10 Yongso Ro,40 Beon Gil, Busan 48498, South Korea

[4] Natl Inst Fisheries Sci, West Sea Fisheries Res Inst, Tidal Flat Res Ctr, 11 Seollim Gil, Gunsan Si 54014, Jeollabuk Do, South Korea

关键词: Abalone;    Aquaculture;    Organic carbon;    Benthic environment;    Mass mortality;    Net cage farm;   

DOI  :  10.1016/j.marpolbul.2021.112555

来源: Elsevier

【 摘 要 】

The abalone aquaculture industry in South Korea has grown rapidly since the 2000s. In this study, we investigated the sedimentary pollution at four major abalone farms responsible for -60% of all South Korean abalone produced. We also surveyed the current statuses of cage facilities, abalone mass mortality, and current velocities within and outside farm cages. The concentrations of total organic carbon in the study area were 7.92 +/- 2.09 mg g(-1) shelter cages than in triangular shelters. With increases in the number and size of abalone farming facilities, current velocities inside the cages declined by an average of 45% relative to those outside the cages, leading to poor habitat conditions for farmed abalone. Our results provide insights into the current status of the benthic environments and major causes of mass mortality in the abalone farms of South Korea. , indicating a mild level of sedimentary pollution. We observed higher mortality rates in rectangular-shaped

【 授权许可】

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