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大沙鼠是甘肃民勤连古城国家级自然保护区内分布最多、危害最严重的林业有害生物,具有危害时间长、范围广、危害性强、繁殖快等特征,主要危害梭梭、柽柳、白刺、花棒、盐爪爪等荒漠植被。为全面掌握保护区鼠害发生动态,遏制鼠害的蔓延与危害,近期,甘肃民勤连古城国家 ...
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