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一、前言 凉水自然保护区(N 47°10′50″、E 128°57′20″)位于小兴安岭的心腹地带,素有红松故乡之称。按红松林分布区来讲,本区属典型阔叶红松林分亚区。以红松(Pinus Koraiensis)为优势与其他阔叶树种一起构成密集成片的山地针阔叶混交林。保护区范围(6394公顷)内,小溪凉水沟贯穿南北。以凉水沟为基线,可把整个保护区的现有森林分为三段:南段为凉水沟,流入的永翠河河谷,从海拔300米(河谷)到450米的低山山脊,森林在解放前曾遭敌伪破坏,现在属过伐林性质的次生林;中段为
I. Introduction Liangshui Nature Reserve (N 47 ° 10’50 “, E 128 ° 57’20”) is located in the heart of Xiaoxing’an Mountain, known as the hometown of Korean pine. According to the distribution area of Korean pine forest, this area is a typical broad-leaved Korean pine sub-sub-area. Pinus Koraiensis, together with other broad-leaved species, forms densely mixed coniferous and broad-leaved mixed forests. Within the protected area (6,394 hectares), the stream runs through the north and south. Taking the cold-water ditch as the baseline, the existing forest in the whole reserve can be divided into three sections: the southern section is a cold-water ditch, the inflow of the Yong-Cui River valley, the low-mountain ridge from 450 meters above sea level (valley) Before the liberation, it was destroyed by the enemy and its fake and now belongs to the secondary forest of the nature of deforestation. The middle section is