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shi nian lai wo guo si zhong zhu yao hai chan jing ji yu lei sheng tai de diao cha yan jiu
Author(s): 
Pages: 233-240
Year: Issue:  4
Journal: Oceanologia et Limnologia Sinica

Keyword:  沿岸海区海产经济鱼外海生殖表面水温生态底层水温海洋岛渤海温跃层;
Abstract: <正> 由于地理条件及海洋环境的优越,我国近海海洋鱼类的资源十分丰富。具有经济价值的海产鱼类约50种,其中年产量超过十万吨的有带鱼(Trichiurus haumela)、小黄鱼(Pseudosciaena polyactis)和大黄鱼(P.crocea),超过一万吨的有鳓鱼(Ilisha elongata)、海鳗(Muraenesox cinereus)及鲐鱼(Pneumatophorus japonicus)等,其它则一般为数千吨。上述重要经济鱼类均系中下层或中上层鱼类。
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