2016年春季日照港岚山港区近岸海域渔业资源浅析

目的] 了解岚山港区近岸海域渔业资源的种类组成及分布情况,探明该海域渔业资源变化及人类活动对该海域渔业资源的影响。方法] 以2016年5月日照港岚山港区进行的渔业资源底拖网调查资料分析该海域的渔业资源状况,并结合2012年5月调查数据分析该海域渔业资源的变化情况。结果] 2016年5月该海域共捕获渔业资源种类46种,平均渔获量为27.63 kg/h。优势种为戴氏赤虾(Metapenaeopsis dalei)、双斑蟳(Charybdis bimaculata)、绯魚銜(Callionymus beniteguri)、口虾蛄(Oratosquilla oratoria)等。比较2012年调查数据分析日照港岚山港区海域渔业资源种类和渔获量变化均不大。结论] 近几年该海域渔业资源群落结构变化不大,受人为影响较小。

Analysis on the Nearshore Shallow of Fishery in Lanshan Harbor Rizhao Port in the Spring of 2016

Objective] To understand the species composition and distribution of fishery resources in the coastal waters of Lanshan harbor rizhao port, the change of fishery resources and the influence of human activities on the fishery resources in the sea area are explored. Methods] The situation of fishery resources in the sea area was analyzed by the data of bottom trawl surveys in Lanshan harbor Rizhao port conducted in May 2016, and the changes of fishery resources in the sea area were analyzed in the light of the survey data in May 2012. Results] In May 2016, 46 species of fishery resources were captured, and the average catch was 27.63 kg/h. The dominant species were Metapenaeopsis dalei, Charybdis bimaculata, Callionymus beniteguri and Oratosquilla oratoria. Compared with the survey data in 2012, the species of fishery resources and the amount of fish catches in the area of Lanshan harbor Rizhao port were not very different. Conclusion] It shows that the structure of fishery resources in the area has not changed much and is less affected by human.