摘要
红塔山自然保护区管护局于2014年11月—2016年7月对辖区内5 133.4 hm~2林地进行了林业有害生物普查。普查结果表明,辖区内林业有害生物种类共33种,其中造成危害的主要林业有害生物9种。结合普查结果,对9种主要林业有害生物发生面积、分布情况、危害特点等进行分析,认为树种单一,林分结构不合理,灾害性天气时常发生是造成林业有害生物持续发生和蔓延的主要原因。提出改善林分结构、营造混交林、加强监测和除治等综合防治措施。
The forest pests survey in 5 133.4 hm~2 forest land was conducted by the administration bureau of Hongtashan Nature Reserve from November 2014 to July 2016. The results showed that there were 33 species of forest pests in the area, including 9 main pests which caused serious damages. The analysis for the occurrence area, distribution and hazard characteristics of 9 main forest pests concluded that single tree species, unreasonable stand structure and frequent disastrous weather were the main reasons for the sustainable occurrence and spread of forest pests. The comprehensive control measures such as improving stand structure, building mixed forest, strengthening monitoring and control were put forward.
引文
[1] 云南省林业调查规划院昆明分院.玉溪市红塔山自然保护区森林资源规划设计调查报告[R].2016.
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