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首页> 外文期刊>Building and Environment >Long-term harvesting effects on skid road in a fir (Abies bornmulleriana Mattf.) plantation forest
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Long-term harvesting effects on skid road in a fir (Abies bornmulleriana Mattf.) plantation forest

机译：杉木人工林（Abiesbornmulleriana Mattf。）滑道的长期采伐效应

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In this study, long-term timber harvesting effects on a skid road were investigated in a pure fir (Abies bornmulleriana Mattf.) plantation forest. For this purpose, herbaceous understory, forest floor and soil samples were collected from the skid road and from an undisturbed area as a control plot. Unit mass (kg ha~(-1)), organic matter ratio and moisture on herbaceous and forest floor samples were determined in undisturbed area and on the skid road. Soil characteristics were examined at two depths (0-5 cm and 5-10 cm). We quantified sand, silt and clay rates, electrical conductivity, fine soil (< 2 mm) weight, coarse soil fraction (> 2 mm), root mass, organic carbon, moisture equivalent, total porosity, bulk density, moisture, compaction and pH values in soils. It has been concluded that the amount of herbaceous understory and forest floor mass on the skid road decreased considerably compared to the undisturbed area. Parallel to this, the amount of organic matters in the herbaceous understory and the forest floor on the skid road decreased as well. There were crucial differences in the values of compaction, bulk density, fine soil weight, total porosity, organic carbon and moisture equivalent of the soil samples from the skid road and the undisturbed area at both investigated soil depths. Soil on skid road has negative characteristics on water and air status, as a result of compaction caused by timber production.
机译：在这项研究中，在纯杉木（Abiesbornmulleriana Mattf。）人工林中调查了长期采伐对防滑道路的影响。为此，从集材道路和未受干扰的地区收集了草木林下，林地和土壤样品作为对照样地。在未受干扰的地区和滑行道路上，测定了草皮和森林地板样品的单位质量（kg ha〜（-1）），有机质比和水分。在两个深度（0-5厘米和5-10厘米）检查土壤特性。我们量化了沙子，淤泥和粘土的比率，电导率，细土（<2毫米）的重量，粗土部分（> 2毫米），根质量，有机碳，水分当量，总孔隙率，堆积密度，水分，压实度和pH值土壤中的价值。得出的结论是，与未受干扰的地区相比，滑行道路上的草本林下层和林地的数量大大减少。与此平行的是，草皮林下层和滑行道林地中的有机物含量也减少了。在两个调查的土壤深度下，来自防滑道路和未受干扰区域的土壤样品的压实度，堆积密度，细土重，总孔隙率，有机碳和水分当量的值存在重大差异。由于木材生产造成的压实，滑行道路上的土壤对水和空气状况具有负面影响。

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