M. Pividori, Enrico Marcolin, A. Marcon, Nadia Piccinin
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引用次数: 0
摘要
威尼托地区(意大利东北部)低地种植园的间伐试验。在过去的20年里,威尼托地区(意大利东北部)已经实现了超过234公顷的低地混交林新种植园。在许多这样的地方,现在需要开始细化操作,但是缺乏关于这个主题的经验。这项工作的目的是对不同类型的减薄进行实验。间伐试验在塞斯托市(威尼斯)的Bosco San Marco森林进行,在一个非常茂密的16岁的角梁橡树种植园。2010年,在9公顷的土地上实施了三种不同的间伐类型:几何间伐(34%的木材被砍伐)、选择性间伐(15%)、几何-选择性混合间伐(30%)和对照地块。三年后,除几何变薄外,两组变薄试验在直径生长方面没有显著差异。这些结果为森林管理者在高乔木密度条件下早期间伐类型的选择提供了一套解决方案。
Thinning trials in lowland plantations in the Veneto Region (North-eastern Italy)
Thinning trials in lowland plantations in the Veneto Region (North-eastern Italy). More than 234 hectares of new plantations of lowland mixed forest have been realized in the last 20 years in the Veneto Region (North-eastern Italy). In many of these is now needed to start thinning operations, but there is a lack of experience about this topic. Aim of this work was to undertake an experimentation on different types of thinnings. The thinning trial has been performed at Bosco San Marco forest, municipality of Cessalto (Venice), in a very dense hornbeam-oak plantation aged 16. In 2010, three different thinning types were implemented on 9 hectares according to the following layout: geometrical (34% of woody mass removed), selective (15%), mixed geometrical-selective (30%), control plot. Three years later no significant differences between thinning trials in term of diametric growth, geometrical thinning excepted, were observed. These results provide a suite of solutions to the forest manager for choosing the early thinning type in high tree density condition.