2012年春季舟山渔场虾类种类组成研究

The Species Composition of Shrimp Communities in Spring in the Zhoushan Fishing Ground of 2012

根据2012年3-5月的渔业生物资料,研究报道了不同月份舟山渔场虾类组成、优势种组成和区系组成,比较了春季不同月份出现种类组成,优势种变化和多样性分析。共采获虾类种类18种,隶属7科13属,其中暖水种共有8种,暖温种共有9种,冷温种1种;3月份虾类出现种类16种,其中优势种有葛氏长臂虾、鲜明鼓虾、脊腹褐虾3种,4月份虾类出现种类12种,其中优势种有鹰爪虾、脊腹褐虾、高脊管鞭虾、哈氏仿对虾、鲜明鼓虾5种,5月份虾类出现种类12种,其中优势种有鹰爪虾、葛氏长臂虾、戴氏赤虾3种。

Based on the dynamic monitoring data in March, April and May 2012, the characteristics of shrimp community structure such as： shrimp species composition and dominance and diversity analysis were reported. A totale of 18 species were identified, which belonged to 7 familys under 13 generas. There were 8 warm-water species and there were 9 warm-temperate species and there were 1 cold-temperate species. 16 species were identified in March, 3 dominant species were listed： Palaemon gravieri, Alpheus distinguendus, 12 species were identified in April, 5 dominant species were listed： Trachypenaeus curvi- rostris, C. affinis , Solenocera alticarinata, Parapenaeopsis hardwickii, A.distinguendus,12 species were iclenti- fled in May, 3 dominant species were listed： T. curvirostris, P. gravieri, Metapenaepsis dalei.