Variety of size structure of middle-aged pine (Pinus sylvestris L.) stands in the northern taiga (Murmansk Region)

Nataliya I. Stavrova, V. V. Gorshkov, P. N. Katyutin
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Abstract

The distribution of Scots pine trees according to the gradation of trunk diameter in stands of 85-year-old northern taiga pine forests (Kola Peninsula) has been investigated. Based on the approximation by the Weibull distribution, the presence of two main types of the size structure of forest stands was revealed. The distribution shape coefficients are reliably related to the peculiarities of the habitat conditions, which are reflected in the stand basal area and the ratio of mosses and lichens in the moss-lichen cover
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摩尔曼斯克北部针叶林中老年松(Pinus sylvestris L.)林分大小结构的变化
对科拉半岛北部85年针叶松林分中苏格兰松的树干径级分布进行了调查。基于威布尔分布的近似,揭示了林分大小结构存在两种主要类型。分布形状系数可靠地反映了生境条件的特殊性,这种特殊性反映在林分基面积和地衣覆盖中苔藓与地衣的比例上
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