THINNING OF SCOTS PINE STANDS AND SNOW DAMAGE

被引：0

作者：

Novak, Jiri ^{[1
]}

Dusek, David ^{[1
]}

Slodicak, Marian ^{[1
]}

机构：

[1] VS Opocno, Vvi, Vyzkumny Ustav Lesniho Hospodarstvi & Myslivosti, Olive 550, Opocno 51773, Czech Republic

来源：

REPORTS OF FORESTRY RESEARCH-ZPRAVY LESNICKEHO VYZKUMU | 2013年 / 58卷 / 02期

关键词：

Scots pine; Pinus sylvestris L; snow damage; thinning; quotient of slenderness;

D O I：

暂无

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Effect of thinning on snow damage in Scots pine (Pinus sylvestris L.) stands was studied in three long-term experiments located in Polabi Lowland in the Eastern Bohemia. High snowfall occurred in January 2010 and damage in differently thinned (and planted with different spacing) 25-, 48- and 80-year-old pine stands was analysed. It was confirmed that h/d ratio is good indicator of individual stability of tree against snow damage. Values of h/d ratio over 100 were found for all damaged trees. Results showed that lower initial density itself is not a guarantee of stand stability without subsequent thinning. For studied sites, early thinning (to the top height 5 m) is applicable as a measure to reduce the risk of snow damage. In middle-aged pine stands, the effect of thinning on stability has decreased. Furthermore, this effect is minimal in mature pine stands.

引用

页码：147 / 157

页数：11

共 50 条

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