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渤海3种头足类食性分析 被引量:19
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作者 杨纪明 谭雪静 《海洋科学》 CAS CSCD 北大核心 2000年第4期53-55,共3页
The results of food analysis showed that the Loligo beka is benthonivorous, and feeds mainly on benthos such as Crangon affinis (28. 3% in its food composition), Leptochela gracilis (11. 6% ), Eualus sinensis (4.7% ),... The results of food analysis showed that the Loligo beka is benthonivorous, and feeds mainly on benthos such as Crangon affinis (28. 3% in its food composition), Leptochela gracilis (11. 6% ), Eualus sinensis (4.7% ),Cratosqualla oratoria (4. 7% ), Upogebia wuhsiewenii (4. 6% ) and Pagurus pectinatus (4.6% ), which occupied 64. 3% in its food composition; as well as it feeds some necton (33. 7% ), and is the natural enemy for the juveniles of Pseudosciaena polyactis; The Sepielle maindroni is nektonivorous, and feeds mainly on fishes (especially on juveniles of P. polyactis), which occupied 81. 9% in its food composition. It is also the important natural enemy of P. polyactis (31. 1%); The Sepiola birostrata is benthonivorous and feeds mainly on Leptochela gracilis, Eualus sinensis and other young shrimps, which occupied 52. 2% in its food composition. 展开更多
关键词 渤海 火枪乌贼 双喙耳乌贼 食性
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