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- natural secondary mixed forest 天然次生混交林
- The minimums of similarity coefficient were between the natural secondary forest and the rests. 封山育林区和天然次生林区物种丰富度指数高于其他样地。
- The change of this DOC concentration with soil depth was greater under the natural secondary forest or plantation than cropland or rangeland. 这些doc浓度与土壤湿度及凋落物层碳贮量正相关显著。
- Soil nutrient and enzyme contents of natural secondary Pinus tabulaeformis forest land among 6 hill closed and afforested (H &A) ages were analyzed. 摘要对6个不同封育年限的天然次生油松林林地土壤肥力和酶含量进行了分析。
- Conversion of natural secondary broad-leaved forest to Cunninghamia lanceolata plantation is a common management practice in subtropical China. 摘要在我国南方,天然次生阔叶林转变为杉木人工林是一种常见的管理措施。
- Venture into new paths or walk into overgrown area or mixed forest. 自行闯路,走草丛和杂树林。
- The dominant community of Abies beshanzuensis phyto-group is evergreen Cyclobalanopsis multinervis and deciduous Fagus lucicla, which is a natural broadleaf mixed forest. 百山祖冷杉森林植物群落的优势种群是由常绿的多脉青冈和落叶的亮叶水青冈组成,是一个比较特殊的天然的常绿与落叶阔叶混交林。
- Garrigue Scrub woodland a secondary formation derived from the original mixed forest, characteristic of limestone areas of the Mediterranean region, with low rainfall and thin, dry soils. 咖里哥宇群落:是(地中海区常绿矮灌木)多矮小植物,起源于原始混合森林的次级群落,该群落具有的低降雨量及稀薄干燥的土壤,是地中海石灰岩地区的特征。
- The maximal water holding rates (MWHR) of moss and litters in spruce plantations are lower than those in natural secondary series. 人工云杉林苔藓和枯落物的最大持水率均低于自然恢复演替系列。
- We only found the Lijiang Spruce and Birch Mixed Forest on the north faced slope behind of the Yangyuchang. 除了洋芋场村寨后北向坡面有丽江云杉林与桦木混生的针阔叶混交林,此次调查路线上其它地方未见。
- natural secondary Pinus tablaeformis forest 天然次生油松林
- Utilizing the modulation symmetry of tri-LFMCW signals, up-sweep beat signal is secondary mixed with down-sweep one to eliminate MTRC (Migration Through Range Cell) induced by the high-speed. 利用三角线性调频信号的调频对称性,采用上、下调频差拍信号二次混频的方法消除目标高速运动导致的跨距离单元走动现象。
- Dynamics of energy for fine roots in mixed forest of Cunninghamia lanceolata and Tsoongiodendron odorum. 杉木、观光木混交林群落细根能量动态变化。
- natural secondary Pinus tabulaeformis forest 天然次生油松林
- Mixed forest Type of temperate forest, consisting of trees of different species. 温带林的一种类型,包括各种不同种类的树木。
- Natural secondary Pinus tablaeformis Carr. forest 天然次生油松林
- Today, the forest has been fairly well reestablished, tending to a mixed forest of evergreen broad-leaf and deciduous broad-leaf trees in succession. 该群落的物种多样性在同地区的次生林类型中处于较高水平,表明群落以前受到过中度干扰,目前的恢复状况较好,群落的演替趋势是常绿阔叶落叶阔叶混交林。
- Cathaya argyrophylla and Tsuga longibracteata mixed forest in the northern part of Yuecheng Ling, Hunan Provinc. 湖南省越城岭北部罗汉洞的银杉与长苞铁杉混交林.
- The protection of diversity in Chinese-fir and broad-leaved mixed forest in different habitats should be emphasized. 应该重视不同生境中杉阔混交林多样性的保护。
- The dynamic uptrend of diversity and evenness indexes between mix forest and pure forest are analogical, and on the contrary it is different. 混交林中群落数量、丰富度及多样性指数多数月份高于纯林。