油松林

环境因素对油松林木材生产影响的定量评价

Quantitative evaluation on the influence of environmental factors on timber production of Pinus tabulaeformis

土壤温度和水分对油松林土壤呼吸的影响

Effect of soil temperature and moisture on soil CO_2 efflux in a Pinus tabulaeformis forest

在生长季的不同时期，人工油松林的林内气温（林地以上2m和4m）的日间波动程度和振幅都高于林冠以上（林冠顶以上0.5m和2.5m）。

The air temperature and its daily fluctuation and amplitude under crown cover were higher than those above the canopy at the artificial coniferous forest in the measurements of different seasons .

在黄土丘陵沟壑区选择典型植被油松林（pinustabulaeformis）、柠条（Caraganamicrophylla）、人工草地（Clover）、农田、荒地和裸地，对其土壤水分进行观测分析。

The typical vegetation , such as Pinus tabulaeformis , Caragana microphylla , grassland ( Clover ), farmland , wasteland and bare-land , were selected in gully and hilly region of Loess Plateau . And the soil water of the vegetation was observed and analyzed .

油松林的总生物量为11.812吨/公顷。

The total biomass of the pine plantation was 11.812t/ha .

不同坡向人工油松林生长状况与林下物种多样性分析

Growth and Species Diversity of Pinus tabulaeformis Artificial Forest on different Slope Aspects

陕西秦岭西段南坡油松林的数量分类

Quantitative Classification of Chinese Pine Forests on South Slop in the West Qinling Mountains

内蒙古小腾格里沙地中的天然油松林群落片断

A Fragment of Natural Chinese Pine Community of Xiao Tengger Sands , Inner Mongolia

完全封育方式对天然油松林的影响

Assessment on effect of fully hillsides-closed and afforested mode on natural Pinus tabulaeformis forest

人工油松林系统水土保持功能的叠加效应

Accumulation Effects on Function of Soil and Water Conservation in Artificial Chinese pine Forest System

对黄土丘陵区子午岭天然油松林的群落特征进行了研究。

The community characteristics of natural Pinus tabulaeformis forest distributed in Hilly Loess Regions were investigated .

桥山天然油松林群落结构特征的研究

Structural Characteristics of Communities of Natural Pinus tabulaeformis Forest in the Qiao Mountain in North Shaanxi

本文对人工油松林火烧前后土壤化学性质变化进行了研究。

Having studied the changes in some chemical soil properties after burning , the following results are obtained ;

本文采用常用的生物多样性统计方法，对油松林昆虫群落的生物多样性进行了研究。

In this paper , In this paper , the insect community in Chinese pine forest was studied .

其次为油松林和落叶松林，都为38种，占总数的21.71%；

Pinus tabulaeformis forest and Larch forest rank the second place , 38 species , accounting for 21.71 % .

北京低山油松林、侧柏林、栎林块状镶嵌混交经营模式的研究

Block Mosaic Mixed Forest Management Model on the Pinus tabulaeformis , Platycladus orientalis and Quercus spp Forests in Beijing

整体看来，油松林主要以割灌为主，适当的进行地表枯枝落叶的清理。

The mainly techniques is mechanical management , and appropriately to clean the surface death fuel in Pinus tabulaeformis forest .

结果表明，油松林分郁闭度是影响松毛虫害发生的主要因子，林内灌草植物喜湿度对虫害具有指示意义。

On the basis of quantification of damage and hygrophilous extend , the indicator plants was studied by multiple regression .

刺槐林的日平均蒸散量比油松林大0.06mm／d；

The daily average evapotranspiration of locust stands was 0.06 mm / d more than that of Chinese pine stands .

在陕北地区，对油松林生长影响最大的因素是年降雨量，占27.8%。

And in North Shanxi , the prime important factor is annual precipitation , whose contribution amounts to 27.80 % .

岷江上游人工油松林群落空间结构：物种丰富度和盖度

Community Spatial Structure of a Chinese Pine Plantation in the Upper Reaches of the Minjiang River : Species Richness and Coverage

山西太岳山天然油松林主要木本植物种群结构及空间分布格局研究

Structure and Spatial Patterns of Main Woody Plant Populations in A Natural Pinus tabulaeformis Forest in Taiyue Mountain , Shanxi Province

油松林对于保持水土、涵养水源、改善环境、调节气候等方面都发挥着很大的作用。

Pinus tabulaeformis plantations play a big role in soil and water conservation , water conservation , environmental improvement and climate regulation .

精确估计火地塘天然次生油松林土壤有机碳密度和储量。

Effects of elevated temperature on soil organic carbon and soil respiration under subalpine coniferous forest in western Sichuan Province , China ;

次生灌丛的土壤孔隙度是53.0%，高出人工油松林21%；

The soil porosity under the secondary shrub-land was 53.0 % , 21 % higher than that under the artificial Chinese pine forest .

黄土高原子午岭油松林的种子雨和土壤种子库动态

Dynamics of seed rain and soil seed bank in Pinus tabulaeformis Carr . forests in eroded hilly loess regions of the Loess Plateau in China

结果表明，飞播油松群落现有种子植物36科75属92种，略高于天然油松林。

The results showed that 92 species of seed plants in 75 genera covering 36 families existed in the community , beyond the natural community slightly .

随着飞播油松生长时间的增长，飞播油松林分高度、盖度和密度都呈显著上升的变化趋势。

With the growth time longer of Aerial Seeding Chinese Pine , the trends changes of the height , coverage and density were all increased significantly .

本文选取山西太岳山油松林作为研究对象，对油松天然林和人工林土壤微生物量对模拟氮沉降的响应进行了研究。

This experiment was conducted in Pinus tabulaeformis forests in the Taiyue Mountain , Shanxi Province to study the responses of soil microbial biomass to simulated nitrogen addition .

光资源的数量及其组成在油松林和辽东栎林下的变化非常相似，但光资源的组成与林冠特征的关系在两种森林间存在差异。

The quality and composition of the pine forest and oak forest were highly similar while the relationship between the composition of light and the canopy characters varied with forest types .