木兰县位于黑龙江省中南部,松花江中游北岸。境内幅员面积3179平方公里,全县辖6镇2乡,有人口26.6万,其中农业人口18.9万;耕地面积127万亩,其中水田42万亩;境内有河流26条,中小型水库21座,大小塘坝1000余座。2004年,是我县发展河蟹养殖的第二年,全县共发展河蟹养殖面积12600亩, Mulan County is located in central and southern Heilongjiang Province, the north bank of the Songhua River. The territory of an area of ​​3179 square kilometers, the county administer 6 towns and 2 townships, population 266000, of which agricultural population 189000; 1270000 acres of arable land, of which paddy 420000 mus; There are rivers in the country, 21 small and medium sized reservoirs, The size of more than 1000 pond dam. 2004, is the second year of development of crab farming in our county, the county a total of 12,600 acres of crab breeding area,