就斑块数而言,青海云杉林斑块数最多,有245个,占林区总斑块数的27.7%。
Qinghai spruce has a maximum of 245 patches and occupies 27.7% in all patches.
并提出青海云杉种实害虫综合治理的策略、原则以及评价青海云杉种实害虫综合治理的步骤和方法。
In addition, this paper also put forward the strategy and principle of integrated control of the seed pest, as well as steps and methods of evaluating integrated control.
云杉是青海省县主要的天然林资源,也是荒山造林和城镇绿化的优良树种。
Picea is not only major natural forest resources in Qinghai, but also fine tree species of afforestation and urban greening.
云杉是青海省县主要的天然林资源,也是荒山造林和城镇绿化的优良树种。
Picea is not only major natural forest resources in Qinghai, but also fine tree species of afforestation and urban greening.
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