目的 :评价加拿大某铀水冶厂对附近地表生态环境的影响。方法 :选择三个测量点 ,1号点 (对照点 )位于水冶厂北5 km处 ,2号点位于地上尾矿管理设施 (TMF)的正下风向 ,3号点位于水冶厂和 Gerald湖的正南面。样品采自每个测量点的沼泽地黑云杉树不同高度处的新老树叶和树枝、1个平 OBJECTIVE: To evaluate the impact of a uranium hydrometallurgical plant in Canada on the nearby surface ecological environment. Methods: Three measuring points were selected, point 1 (control point) is located 5 km north of the watermelting plant, point 2 is located in the downwind of the above ground tailings management facility (TMF), point 3 is located in the water smelting plant and Gerald Just south of the lake. The samples were collected from new and old leaves and branches at different altitudes of the wetland black spruce trees at each measuring point,