Investigation of forest rodent species in Chongli Winter Olympics Zone,Zhangjiakou City
Through a survey of the species of forest rodents and forest damage condition in the Chongli Winter Olympics Competition area of Zhangjiakou City,a total of 9 species of rodents were obtained,belonging to 3 families and 5 genera.Investigated the status of forest damage,mainly causing damage to Pinus sylvestris by bygnawing on bark and plant roots.The damage rate of trees is 11.2％and the death rate is 9.8％.Green prevention and control measures have been implemented,reducing the damage rate of trees to 1.2％and achieving a prevention and control effect of 89％.
rodentrodent pestgreen prevention and controlZhangjiakou
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