Whole tree system evaluation of thinning a pine plantation in southern Italy

A. Proto, V. Bernardini, M. Cataldo, G. Zimbalatti
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引用次数: 4

Abstract

In Italy, some silvicultural treatment as thinning could be carried out in an economic way adopting systems based on small-scale mechanization. This paper examines the productivity standards of wood biomass in coniferous plantation thinning in Southern Italy under the conditions of small-scale forestry. The objectives of the study were to evaluate the incidence of different silvicultural treatments on productivity and harvesting costs and create productivity models for typical harvesting system used for wood thinned from Calabrian pine. Three different sites were monitored on the Sila Massif forest, and the experimental plan included three area tests, subjected in the last thirty years to intermediate cuttings with different thinning grade: light thinning (A thesis), moderate thinning (B thesis), heavy thinning (C thesis). The authors developed a productivity model for motor-manual felling and skidding timber with wheeled farm tractors, equipped with winch using a time motion study. Whole tree extraction system in coniferous plantation applied with typical felling system traditional has guaranteed productivity standards at a reasonable cost reducing high operational cost per unit harvested. The results, therefore, underlined that it economic possible to wood biomass harvest relatively small-diameter from thinning stands favoring moderate and heavy thinning.
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意大利南部松树林疏伐的全树系统评价
在意大利,可以采用以小规模机械化为基础的系统,以经济的方式进行一些造林处理,如疏林。本文研究了意大利南部针叶林在小规模林业条件下的木材生物量生产力标准。本研究的目的是评价不同造林处理对生产力和采伐成本的影响,并为卡拉布里亚松材的典型采伐系统建立生产力模型。在Sila地块上对3个不同地点进行监测,试验计划包括3个区域试验,在过去30年中对不同间伐程度的中间插枝进行了试验:轻度间伐(A论文)、中度间伐(B论文)、重度间伐(C论文)。通过时间运动研究,建立了农用轮式拖拉机带绞车的机动-手动采伐和打滑木材的生产效率模型。针叶林整树采伐系统采用传统的典型采伐系统,以合理的成本保证了生产力标准,降低了单位采伐的高运营成本。因此,研究结果强调,从疏伐林分中收获相对小直径的木材生物量在经济上是可能的,有利于中度和重度疏伐。
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来源期刊
Annals of Silvicultural Research
Annals of Silvicultural Research Agricultural and Biological Sciences-Forestry
CiteScore
2.70
自引率
0.00%
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0
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