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鉴于樟子松既有自然分布区,又有比较大的栽培区,并且许多地区已有20年以上的引种历史,我们以其自然分布与栽培区的总体为区划范围。虽然樟子松引种的范围很宽,但本次区划只包括两个樟子松发展前途已得到普遍承认的栽培区。我们根据樟子松自然分布区气候、植被的异质性进行区划。樟子松自然分布范围虽
In view of the natural distribution area of Pinus sylvestris as well as the relatively large cultivation area, and the introduction history of more than 20 years in many areas, we have divided the area with its natural distribution and cultivation area. Although Pinus sylvestris is introduced in a wide range, this zoning includes only two cultivated areas that have been universally acknowledged for their promising future. We are based on the natural distribution of Pinus sylvestris climate, vegetation heterogeneity zoning. Although the natural distribution of Scotch Pine