人工林

天然林土壤动物群落的多样性：海拔1850m处的>海拔1650m处的>海拔2050m处的，而人工林的群落多样性是随海拔的升高而降低；

The diversity of community in the altitude of 1 850 m > in the altitude of 1 650 m > in the altitude of 2 050 m in the nature forest , And the diversity was declining with the altitude increasing in planted forest ;

晋西北人工林土壤水分特点与降水关系研究

Study on Characteristics of Soil Water of Planted Forest and Its Relation to Precipitation in Northwestern Shanxi

闽北阔叶树种生态组的Fuzzy划分闽北木荷人工林生产潜力的研究

Fuzzy cluster analysis of ecological group of deciduous trees in the North Fujian

水曲柳人工林凋落物分解及其N、P、K养分归还

Litter Decomposition and Nutrients ( N , P , K ) Return in Manchurian Ash Plantation Forest

Richards生长函数在意大利杨树无性系人工林生长预测上的应用

The application of Richards growth function on growth prediction of poplar artificial stands

以湿地松人工林为研究对象，通过临时标准地调查测得4942株林木胸径（D）、冠径（E）；

The diameter ( D ) and crown ( E ) of 4 942 sample trees of Pinus elliottii collected from temporary sample plots was surveyed in this paper .

杨树人工林下的A、B两个样地的土壤有机质、全N和速效N含量在2cm土层中较高；

The organic content , total N and alkali-hydrolysable nitrogen content of Populus spp plantations plot A and B is higher in the 2 cm soil layer ;

本研究从人工林湿地松木粉试样的表面采集近红外漫反射光谱，并利用X射线衍射法测定了木材纤维素的结晶度。

Near infrared diffuse reflectance spectra were collected from wood powder with a fiber-optical probe and the crystallinity of wood was determined by X-ray diffractometer ( XRD ) in this experiment .

采用一种新型木材改性处理剂，分别以改性异氰酸酯浓度5%、10%、15%、20%，对美国人工林火炬松（Pinustaeda）进行表面密实化处理。

The plantation wood of Pinus taeda was compressed on the surface with a new improved treatment technology .

运用该K值计算了杉木人工林的饱和密度，并由此推导出了不同立地条件下郁闭度分别为0.6,0.7,0.8和0.9时的杉木经营密度指标。

Using the K-value , the stand saturation density and the density index under different site condition were calculated when the canopy desity was 0.6 , 0.7 , 0.8 and 0.9 , respectively .

格氏栲和杉木人工林枯枝落叶层不同分解层次DOC浓度的季节变化模式基本相似，均在秋季或冬季出现最大值。

Seasonal trends of DOC concentrations in different horizons of forest floors were similar and the maximal value occurred in autumn ( or winter ) .

对东北东部山地的19年生樟子松人工林的降雨分配规律进行了2a的观测。

The precipitation 's distribution law of the 19-year Scots pine plantation was observed in the east of the Northeast Hills for two years .

落叶松人工林下的C、D和林缘G3个样地在各土层中速氮值均较低，而全磷值较高；

The alkali - hydrolysable nitrogen of Larix gmelini plantations plots C , D and G are lower in each soil layers , but the total phosphorus value are higher ;

对比地表枯枝落叶层化学元素总量与人工林元素的积累量，以Na的比值最高，Ca、Mn、Fe、Zn比值次之，元素归还量都较大。

Comparing the amount of elements in litter with which in plantation , the ratio of Na is the highest one with the higher ratio of Ca , Mn , Fe , Zn . These elements will gradually return to the soil .

结果表明，杉木人工林枯枝落叶层DOC平均浓度（1341.7mg·kg-1）高于格氏栲人工林（1178.9mg·kg-1）。

The results showed that the annual average DOC concentration of Chinese fir ( 1341.7 mg · kg-1 ) in the forest floor was higher than that of Castanopsis kawakamii ( 1178.9 mg · kg-1 ) .

本文以我国丰富的人工林I-69杨树（Populusdeltoides）木材为原料，采用溶胶-凝胶的方法来制备陶瓷化复合木材。

In this paper , ceramic-wood composite was produced by the method of sol-gel with 1-69 poplar ( Populus deltoides ), which was abundant in our country , as the raw materials .

现在全世界大约有18700万hm2的人工林，松属和桉属树种仍然是人工林中最普遍种植的树种，国外林业先进国家只用了1.2%~16%的人工林面积比重取得了60%~93%比率工业林产品。

There is 187 million ha planted forest in the world , pine and eucalyptus are the main species in plantation . Some foreign countries have gained 60 % ~ 93 % industrial product from 1.2 % ~ 16 % plantation area .

在福建南平地区，对林龄和密度不同的两片杉木人工林的凋落物和森林降水化学进行了3a（1994～1996）的定位研究。

Chemistry of litter and rain fall was monitored for three years ( 1994 ~ 1996 ) at two sites established in Chinese fir ( Cunninghamia lanceolata ) plantations with different stand ages and densities in Nanping , Fujian .

本研究利用来源于澳大利亚新南威尔士州不同生长条件下的辐射松人工林样木干形数据，比较了广义Brink干形方程和三角函数干形方程对去（带）皮直径的拟合效果。

This paper compares trigonometric variable-form taper function with generalized Brink stem profile function when estimation predicting diameter under ( over ) bark at any height of stem using sample taper data collected from Pinus radiata plantations in New South Wales , Australia .

对人工林杉木25mm和50mm厚板材进行了系列高频真空干燥试验。

A series of radio frequency / vacuum ( RF / V ) drying tests were conducted using plantation grown Chinese Fir ( Cunninghamia lanceolata ) with thicknesses of 25 mm and 50 mm .

为了准确、快速预测速生尾叶桉人工林生产力，该文运用3-PG模型对我国广东省雷州半岛上广泛种植的尾叶桉的生长规律进行研究。

In order to reliably and rapidly predict plantation production of fast-growing Eucalyptus urophylla , the3-PG model was applied to study the growth laws in the stands of E.

邻近江西分宜种源试验林，选择一片完整的鹅掌楸（Liriodendronchinense）近成熟人工林（1981年栽植），抽取33棵样本株，分年轮测定了木材基本密度和纤维长度。

Thirty three trees from a seventeen years old plantation of Chinese tulip tree ( Liriodendron chinense ) in Fenyi county , Jiangxi Province were randomly selected , and their basic density , and fiber length of each growth ring for the increment core samples at breast height were measured .

以连续8a的测定数据，探讨了皆伐对生态系统土壤水文学功能的影响，并着重研究了营造第二代杉木人工林后林木对土壤水文学功能的生物调节和恢复状况。

Based on eight years ' data , this paper studies the effect of cut over on the hydrological functions of soil in an ecosystem and focuses on the biological regulation and restoration effects of trees on soil hydrological functions after the second generation Chinese fir stand is reforested .

广东省桉树人工林生态问题评价

A review on ecological effects of Eucalyptus Plantation in Guangdong Province

刺槐人工林经营质量动态监测模型

Management quality dynamic supervision mensuration model of Robinia pseudoacacia manpower forest

云杉人工林凋落物研究

Studies of the Withered and Fallen Substances in Man-made Picea Forest

东丰县国有落叶松人工林定向培育的探讨

Discussion on orientation silviculture of state larch plantation in Dongfeng County

雷州半岛桉树工业人工林培育模式评价

Evaluation on Cultivation Regimes of Eucalyptus Industrial Plantation in Leizhou Peninsula

杉木人工林不同采伐方式综合效益研究

Study on comprehensive benefits of different cutting ways of Chinese fir

红皮云杉人工林材性与年龄效应

The relation of plantation timber and age of red dragon spruce