نتایج جستجو برای: shelterwood felling
تعداد نتایج: 783 فیلتر نتایج به سال:
Cable-based yarding technology has had a long tradition on steep slopes in Europe, and the new implementation of functions recent decades favored operational efficiency lower extraction costs. The main goal this study was to evaluate performance Syncrofalke 3t truck-mounted Processor Tower Yarder (PTY) terrain, coniferous forests managed with shelterwood system. In particular, aim determine PTY...
The study can provide decision-making support to loggers and participants in forest relations who are obliged carry out reforestation activities assess the factors that change effectiveness of forestry logging operations. balance production environmental effects from use transport machines development is an important step effective quality management landscape restoration. degree compaction soi...
Abstract Wood in Austria has been an indispensable source of energy, but also, a crucial building material. In the field dendroarchaeology timeline between raw material harvest and finalisation wooden construction is piece puzzle understanding history. This paper aims to provide overview on historical timber supply by examining felling debarking methods, as recorded old literature and, from vis...
The main problem with the utilization of untended stands for energy use is that small-diameter trees are expensive to harvest, and value harvest fails exceed harvesting cost. Until now, equation has appeared difficult solve, but a wood innovation – Risupeto II accumulating felling head which works on continuous basis, could provide solution cost young dense undergrowth. novel attached boom craw...
The Mediterranean forest region has been exposed to anthropogenic impacts for centuries, and the constant biotic abiotic factors, together with increasing climate change, have hindered proper management of ecosystems. This study presents results multiyear, systematic, specific practical monitoring conversion holm oak coppices using principles shelterwood system. It also growth development dynam...
Abstract The selective management system (SMS) practised in Malaysia has emerged to optimise the sustainability of permanently reserved forest management. SMS requires a regime (felling) ensure economical harvesting and appropriate residual stands for logging cycle, including ecological balance environmental quality. includes Post-Felling Forest Inventory (Post-F) sequence. Post-F is used obtai...
Studies of the natural reafforestation pine forests (Pinus silvestris. L.) on territory southern brae Russian Plain, as well foothill and mountain-forest Crimea pallasiana D. Don), carried out by us during 2003 - 2021, allowed to put forward an assumption about general features spatial structure undergrowth species genus Pinus. The uniformity coenopopulation fragments can be equally observed in...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید