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forest bog
相关语句
  森林沼泽
     Change of Readily Available Nutrient in the Peat Soil in the Reclaimed Forest Bog
     森林沼泽改造后泥炭土的速效养分变化
短句来源
     Chang of readily available nutrient in the peat soil in the reclaimcd forest bog
     森林沼泽改造后泥炭土的速效养分化
短句来源
  “forest bog”译为未确定词的双语例句
     The Plant Residue in Peat Land of Forest Bog in Xiaoxinganling
     小兴安岭森林沼泽的泥炭植物残体
短句来源
     The succession process of forest bog is generalized into two kinds:(1) The forma- tion of forest bogs as a result of the natural succession of forest vegetation under the influence of naturaI conditions.
     森林沼泽的演替过程有:(1)在自然条件的影响下,沼泽是森林植被自然演替的结果;
短句来源
  相似匹配句对
     forest .
     林。
短句来源
     The Plant Residue in Peat Land of Forest Bog in Xiaoxinganling
     小兴安岭森林沼泽的泥炭植物残体
短句来源
     ON THE DISTURBANCE OF FOREST
     论森林干扰
短句来源
     Change of Readily Available Nutrient in the Peat Soil in the Reclaimed Forest Bog
     森林沼泽改造后泥炭土的速效养分变化
短句来源
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  forest bog
Au Sable Institute funded a study of the population dynamics of an old growth forest/bog site and research is progressing.
      


Climate and geomorphy are the main factors of the formation of forest bogs in Hingganling and changbaishan.The bogs are both multiple in types and widespread in distribution.There exist not only the type of lower bog,but also that of middle bog and raised bog. They are chiefly distributed in the alluvial flat or valley and in the watershed. The succession process of forest bog is generalized into two kinds:(1) The forma- tion of forest bogs as a result of the natural...

Climate and geomorphy are the main factors of the formation of forest bogs in Hingganling and changbaishan.The bogs are both multiple in types and widespread in distribution.There exist not only the type of lower bog,but also that of middle bog and raised bog. They are chiefly distributed in the alluvial flat or valley and in the watershed. The succession process of forest bog is generalized into two kinds:(1) The forma- tion of forest bogs as a result of the natural succession of forest vegetation under the influence of naturaI conditions.(2) The formation of forest bogs as a result of the bogginess in the vicinity of forestland.

兴安岭和长白山地森林沼泽形成的主要因素是气候和地貌。有低位沼泽、中位沼泽和高位沼泽。主要分布在河漫滩或沟谷和分水岭。森林沼泽的演替过程有:(1)在自然条件的影响下,沼泽是森林植被自然演替的结果;(2)森林沼泽是由于林地附近的沼泽化(如草甸和水体)而引起的。

Forest bogs reclaimed for five years and twenty-nine years in Xiaoxing'an Mountains are chosen as experimental objects in this paper. The change of readily available nutrient in the forest bog peat soil is discussed. The results show: the content of readily available nitrogen, readily available phosphorus and readily available potassium in the peat soil in the reclaimed forest bog respectively increases 25%~35 %,15%~30% and 10%~20% than in the unreclaimed forest bog. The longer the reclaimed...

Forest bogs reclaimed for five years and twenty-nine years in Xiaoxing'an Mountains are chosen as experimental objects in this paper. The change of readily available nutrient in the forest bog peat soil is discussed. The results show: the content of readily available nitrogen, readily available phosphorus and readily available potassium in the peat soil in the reclaimed forest bog respectively increases 25%~35 %,15%~30% and 10%~20% than in the unreclaimed forest bog. The longer the reclaimed time,the larger the degree increased. In the meantime, the time and spatial change rules are obvious, the content of readily available nutrients is higher in the reclaimed forest bog than in the unclaimed forest bog in the same peat layer and in the same month, this indicates forest bog that have reclaimed through drainage is benefit for peat decompositionto release nutritive elements.

本研究选择小兴安岭改造5年和29年的森林沼泽为试验材料,探讨泥炭土速效养分的变化.结果表明,森林沼泽改造后较改造前,泥炭土中速效氮提高了25%~35%,速效磷提高了15%~30%,速效钾提高了10%~20%,沼泽改造的时间越长,速效养分提高的幅度越大;泥炭土中速效养分的时空变化规律明显,同一泥炭发生层及相同月份比较,改造后高于改造前,这说明森林沼泽排水改造有利于泥炭分解释放营养元素.

An investigation on the mode of element occurrence in various samples collected from forest-bog area in northeastern China has been carried out. The mode of elements in the area includes detrital and mobile forms. The results show that the element form is a key factor for selecting the sample materials and grain size as well as sampling method. It is also very helpful for the researches on landscape geochemistry, mechanism of element transformation and enrichment, and evaluation of geochemical anomalies....

An investigation on the mode of element occurrence in various samples collected from forest-bog area in northeastern China has been carried out. The mode of elements in the area includes detrital and mobile forms. The results show that the element form is a key factor for selecting the sample materials and grain size as well as sampling method. It is also very helpful for the researches on landscape geochemistry, mechanism of element transformation and enrichment, and evaluation of geochemical anomalies. A suitable geochemical prospecting method of middle-large scale is suggested in the forest-bog area.

对我国东北北部森林沼泽景观各种采样介质元素存在形式进行研究 ,确定这类地区元素存在形式有碎屑形式和元素活动态形式两类。实际资料表明 ,元素存在形式对采样介质、采样粒度、采样方法的确定有重要影响 ,对研究区景观地球化学特征、元素迁移富集机制研究和化探异常评价具有重要意义。通过试验研究确定了森林沼泽景观区中大比例尺化探工作方法。

 
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