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机构地区:[1]甘肃祁连山国家级自然保护区东大山自然保护站,甘肃张掖734000 [2]甘肃祁连山国家级自然保护区管理局,甘肃张掖734000 [3]甘肃省张掖市林业勘察设计队,甘肃张掖734000
出 处:《水土保持研究》2005年第2期107-110,共4页Research of Soil and Water Conservation
基 金:甘肃省科技攻关项目(编号GS993-A41-020)
摘 要:采取实地调查与资料分析方法,研究了祁连山自然保护区灌木林遭受的灾害主要为全球环境变化、人为破坏、病虫鼠危害及火灾危害4种。以气候为主的环境条件变化是祁连山区灌木林的种类组成和分布地域改变的主要原因。近、现代以来,人为的破坏和不合理利用使灌木林面积在其自然分布区域内迅速减少,并导致病虫鼠害和火灾的严重发生危害,加剧了灌木林的衰退。提出预防和控制灌木林灾害的对策为:(1)全球合作,减缓全球环境变化;(2)加强管理,制止人为破坏;(3)积极防治,减轻病虫鼠害;(4)全面监控,预防森林火灾。Adopting on-the-spot investigation and data analysis,it was studied that shrubbery disaster that Qilian Mountain for Nature Reserve suffered were global change,man-made destruction,disease and insect,and fire damage.The main reason of constitute of shrubbery and its distribution of Qilian Mountain is environmental change.In modern times,man-made destruction and irrational use make the shrubbery area reduced sharply and lead to insect and rats disaster and fire and aggravate the decline of shrubbery. The prevention and control measures are:(1)the world cooperates,and decelerate the global change;(2)enhancing the management,and stopping the man-made destruction;(3)positively preventing and controlling to alleviate the harm of insect and mice;(4)completely supervising and controlling to prevent the forest fire.
分 类 号:S763[农业科学—森林保护学] S762[农业科学—林学]
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