柳州市林业有害生物危害现状及防治对策

The Damage Situation of the Forest Pest and Some Control Countermeasures in Liuzhou

结合柳州市2003～2004年的林业有害生物普查工作,在实地调查柳州市有害生物种类分布及危害现状的基础上,分析柳州市林业有害生物的成灾原因。认为柳州市林业近年来有害生物成灾主要是由于林木砍伐过度、大量天然林被人工纯林替代、森林抚育管理不及时、外来生物入侵以及生境恶化等原因造成。建议通过强化政府行为,健全防御体系,严格依法检疫,严防外来有害生物入侵,开展科学的造林护林规划,加强监测和预防,加强科研实力等防治对策防范柳州市林业有害生物。

According to the reconnaissance work of the forest pest from 2003 to 2004 in Liuzhou, the reasons of the forest pest being disaster in Liuzhou had been analyzed in this paper, which were based on the field investigation of the pest species distribution and their damage situation in the whole city. It is considered that the main reasons of the outbreak of the forest pest were as follows： over chopping, a large number of natural forest replaced by the pure artificial forest, the management of the forest tending being not in time, alien species invading and the ecological environment worsening. In order to achieve the aim of preventing the forest pest in Liuzhou, the countermeasures are suggested to strengthen the government behavior, perfect the defense system, quarantine strictly according to law, prevent invading of alien species, carry on the forest protection and forestation planning, enhance the monitoring and preventing work, reinforce scientific research and etc..