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中华绒螯蟹俗称河蟹。河蟹在海水环境中繁殖,在长江中下游诸省的淡水水域中都可生长发育。河蟹营养丰富,肉质细嫩鲜美,所含蛋白质、维生素、矿物质等营养成份名列水产品之冠,是传统的水产珍品,具有较高的经济价值,同时,也是换汇率很高的水产品。我县境内江河纵横,湖库棋布,气侯温和,水草茂盛,有机质和底栖生物饵料丰富,具有很好的适宜于河蟹生长发育必须的饵料和生态环境。为了充分利用我县自然资源,从1977年开始进行河蟹的人工放流增殖,当年投放的蟹苗(大眼幼体),当年起捕,一般个体可长到100克,第二年达200克以上。连续十年来,河蟹的放流
Chinese mitten crab commonly known as crab. Crabs breed in the seawater environment and grow in freshwater waters in the middle and lower reaches of the Yangtze. Crab nutrition is rich, tender and delicious meat, contains protein, vitamins, minerals and other nutrients ranked the highest in aquatic products, is a traditional aquatic treasures, has a high economic value, but also for high exchange rate of aquatic products. My county territory of the Yangtze River, the lake reservoir chess cloth, mild climate, lush plants, organic matter and benthic organisms rich in food, with good crabs suitable for growth and development of the necessary food and ecological environment. In order to make full use of the natural resources of our county, artificial propagation and reproduction of crabs and crabs began in 1977. In the same year, the crabs (big eyes and larvae) that were put into operation were caught in that year. Generally, the average length of individual crabs can reach 100 grams and the second year is over 200 grams. For ten consecutive years, the release of crabs