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我区位于福建北部山区,武夷山东南坡,东径117°02′—119°17′,北纬26°14′—28°20′,属中亚热带海洋性兼大陆性气候。无霜期250—300天,年平均气温17—19℃;年均降水量1684—1780毫米,丘陵山地植被好,溪河积雨面积大;区内拥有“一江三溪(闽江干流、建溪、富屯溪、沙溪的一部分)176条支流”,总长4045公里,流域面积152.5万亩,占全区地域总面积的11.5%,是全省江河可利用面积304.3万亩的50%;共存鱼类17科138种,还有经济价值较高的两栖类、爬行类动物10余种,以及常见的水生维管素植物20多种;江河水中PH在6.4—7.8之间,水矿化度在100毫克/升以下,溶氧
Our district is located in the mountainous area of northern Fujian and the southeast slope of Wuyishan, with an east path of 117 ° 02’-119 ° 17 ’and a latitude of latitude 26 ° 14’-28 ° 20’. It belongs to the sub-tropical maritime and continental climate. Frost-free period of 250-300 days, the annual average temperature of 17-19 ℃; average annual rainfall of 1684-1780 mm, good hilly vegetation, Xi River area of large accumulated rain; the area has a “three rivers (Minjiang River, Jianxi, Fu Tunxi, a part of Shaxi) 176 tributaries ”, a total length of 4045 km, the basin area of 152.5 hectares, accounting for 11.5% of the total area of the region, is the province’s river available area of 304.3 million mu of 50%; coexistence of fish There are more than 10 kinds of amphibians and reptiles with high economic value, more than 20 kinds of common aquatic vascular plants. The PH of river water is between 6.4-7.8, the water salinity is between 100 mg / L or less, dissolved oxygen