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      Distribution Characteristics of Fat Greenling ( Hexagrammos otakii) Inhabiting Artificial Reefs Around Qiansandao Island, Haizhou Bay, China

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          Chinese government has provided vigorous financial supports to artificial reef (AR) projects to repair marine ecosystem. Qiansandao AR, an important AR project of Fishery Resource Restoration Program in Shandong Province, was built during 2002 to 2007. It has enhanced the local fishery harvest and generated positive economic benefits. Fat greenling ( Hexagrammos otakii) is a major commercial reef fish in Qiansandao with high economic values. Its distribution characteristics need to be further studied. In this research, we studied the potential influence of environmental variables and distance from ARs on catch per unit effort ( CPUE) and body length of fat greenlings. The results showed that the average body length of fat greenlings distributed within 10 m from ARs was longer than that of fat greenlings distributed more than 600 m away from ARs. Body length also increased with the increased salinity, while it declined as temperature increased. The probability of the presence of fat greenling increased when temperature was below 20°C, then it slightly decreased. CPUE decreased as the distance increased. Our results elucidate the potential effects of environmental variables and distance from ARs on the distribution of fat greenling, which may also be helpful to the distribution research of other reef fish species.

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          Author and article information

          Journal of Ocean University of China
          Science Press and Springer (China )
          24 August 2019
          01 October 2019
          : 18
          : 5
          : 1227-1234
          1College of Fisheries, Ocean University of China, Qingdao 266003, China
          2Marine College, Shandong University, Weihai 264209, China
          Author notes
          *Corresponding author: TANG Yanli
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2019.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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