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(一)我区沿海位于祖国南海的西北部(北纬20度20分至21度30分,东径108度0分至109度33分),海岸线长859公里,浅海滩涂广阔。存浅海滩涂上生长繁育着许多有经济价值的水生动物,诸如各种鱼虾、珍珠、牡蛎、海参、海马、鲍鱼、螃蟹、日月贝、扇贝、贻贝、文蛤、沙蚬子、泥蚶、毛蚶、缢蛏、沙虫、江蓠、沙菜和马尾藻等等。据初步调查,潮间带面积113万亩,低潮线下五米水深以内面积175万亩,经济生物资源蕴藏量约86万担(其中贝类带壳计算),价值约1,300万元,一般年采捕量约26万担,产值约400万元。这个区域是我
(A) The coast of our district is located in the northwest of the South China Sea (20 degrees 20 minutes to 21 degrees north latitude and 108 degrees east longitude to 109 degrees 33 minutes east of the motherland). The coastline is 859 kilometers long and the shallow beach is vast. There are many aquatic animals of economic value, such as various kinds of fish and shrimp, pearl, oyster, sea cucumber, sea horse, abalone, crab, sun and moon shell, scallop, mussel, clam, sand grits, , Raucus, razor clam, sand worms, razor clam, sauerkraut and sage algae and so on. According to a preliminary investigation, the intertidal zone covers an area of 1.13 million mu and the area within five meters below the water line is 1.75 million mu. The reserve of economic biological resources is about 860,000 daltons (of which the shellfish shell is calculated), worth about 13 million yuan Acquisition of about 260,000 Tam, the output value of about 4 million yuan. This area is me