应用扫海面积法 ,并根据鱼类和文昌鱼栖息特点 ,采用了不同拖网取样方式 ,对胶州湾外南沙周围 2 4km2 水域 5、6月渔业资源数量与文昌鱼 (BranchiostomabelcheriGary)数量进行了调查评估。5月捕获的鱼类共 2 8种 ,总资源量 2 75 479kg ,其中玉筋鱼居第 1位 ,资源量 2 65 2 0 0kg。捕获的无脊椎动物共 1 3种 ,总资源量 3 489kg。6月文昌鱼数量约为 1 872 0 0 0 0尾。同时 ,还指出了栖息环境面临的问题以及保护栖息环境的重要性和必要性 By using the sea sweeping area method and according to the characteristics of fish and amphioxus habitat, different trawl sampling methods were used to investigate the quantity of fishery resources and the number of amphioxus (Branchiostoma belcheriGary) in May and June of 2 4km2 waters around Nansha Bay outside Jiaozhou Bay . In May, a total of 28 species of fish were captured, with a total resource of 2 75 479 kg, of which the jade fish ranks first with a resource of 26 520 kg. A total of 13 species of invertebrates were captured with a total resource of 3 489 kg. In June, the number of amphibians is about 187200000. At the same time, it also pointed out the problems facing the habitat environment and the importance and necessity of protecting the habitat environment