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本文分析了河北省沿海小黄鱼、黄姑鱼、蓝点鲅、牙鲆、半滑舌鳎、鲈鱼、鯒鱼和孔鳐的饵料组成及其相互关系。主要结果有:(1)在饵料组成中,主要的饵料生物是日本鼓虾、脊尾褐虾、虾蛄、中国毛虾、黄鲫、日本鳀鱼、钝尖尾鰕虎鱼和尖尾鰕虎鱼等,这些主要饵料生物基本上都是群众渔业的重要捕捞对象;(2)种间存在不同程度的饵料竞争关系;(3)捕食与被捕食关系分别存在于鲈鱼与小黄鱼、鲈鱼与半滑舌鳎、鯒鱼与小黄鱼的种间。本文从饵料保障的角度,探讨了上述8个经济鱼种资源的恢复与其饵料生物资源的渔业捕捞之间的关系。
In this paper, the composition and correlation of bait composition of small yellow croaker, yellow croaker, blue dot blotch, flounder, halibut glomerulone, perch, bighead carp and jack mackerel in Hebei Province were analyzed. The main results are as follows: (1) The main bait organisms in the diet composition are Japanese drum shrimp, red-tailed brown shrimp, shrimp shrimp, Chinese shrimp, yellow carp, Japanese anchovy, Fish and so on. These main bait organisms are basically all important fishing targets of the mass fisheries. (2) There is competition between different species of bait. (3) The relationships between predation and prey are in seabass and small yellow croaker, perch and halibut, Bream and small yellow croaker species. In this paper, from the perspective of food security, the relationship between the recovery of the above eight economic species and the fisheries of their food and living resources was explored.