胶州湾外南沙水域渔业资源与文昌鱼数量调查评估及其栖息环境保护

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24km^2水域5、6月渔业资源数量与文昌鱼(Branchiostoma belcheri Gary)数量进行了调查评估。5月捕获的鱼类共28种，总资源量275479kg，其中玉筋鱼居第1位，资源量265200kg。捕获的无脊椎动物共13种，总资源量3489kg。6月文昌鱼数量约为18720000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。

Fisheries resources and lancelet (Branchiostoma belcheri Gary) abundance survey asssessment and their perch environment protection in the Nansha waters of Jiaozhou Bay outside

Fisheries resource abundance & lancelet abundance in May and June alo ng about 24km 2 waters of Nansha of Jiaozhou Bay outside was surveyed and ass ess ed by using sweeping area method ,of which a sample was taken by different net a ccording to their perch water layer. Twenty-eight species in the fish were catc he d, and total resource abundances are 275 479 kg, among them the Ammodytes per sonatus abundance stands first on the list, which is 265 200 kg. Thirteen spe cies in the invertebrate were catched, total resource abundances are 3 489 kg. lancelet abu ndance is 18 720 000. At the same time,perch environment problem and imp ortance of protecting the environment were pointed out.