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一、现状南县属于河湖冲积、淤积平原,1959年全县共有内湖167个,面积18.45万亩,蓄水量为9271万立方米,由于泥沙淤塞和盲目围湖造田,至1981年,垸内湖泊已减至145个,面积51451亩,蓄水量为3294万立方米,其中水面超过千亩的21个。南县垸内湖泊多属富营养型,水质肥沃,饵料丰富,湖底层腐植质集积的淤泥层一般在25～45厘米,湖水中浮游生物达50多种,适宜鱼类生长繁衍,同时还有丰富的莲子、菱角、菱自等水生植物,被群众誉为“碧绿的聚宝盆”。五十年代以前,南县的湖泊渔业以捕捞型为主,六十年代以后,湖泊面积锐减,幸存的湖泊由过去
First, the status quo Nanxian belong to alluvial and silting plains, in 1959 the county a total of 167 Lake Neihu, an area of 184,500 mu, water storage capacity of 92.71 million cubic meters, due to silting and blind reclamation of fields, to 1981 , The lake within the embankment has been reduced to 145, an area of 51451 acres, water storage capacity of 32940000 cubic meters, of which more than 21 acres of water. Most of the lakes in Nanxian County are eutrophic, fertile in water quality and rich in bait. The silt layer on the bottom humus accumulation is generally 25-45 cm in length and more than 50 kinds of plankton in the lake are suitable for the growth and reproduction of fish species. Is rich in lotus seeds, water chestnut, water from Ling and other aquatic plants, the masses hailed as “green cornucopia.” Before the 1950s, the fishing of lakes in Nanxian County was dominated by fishing. After the 1960s, the area of lakes dropped sharply, and the lakes survived