1) forest stand factors
林分因素
1.
Influence of forest stand factors on the amount of Monochamus alternatus Hope;
林分因素对松墨天牛种群数量的影响
2) stand factors
林分因子
1.
44 plots were set up in different slash pine plantations in 7 counties in Jiangxi Province,16 stand factors affecting the harm extent of the Hylobitelus xiaoi Zhang were surveyed in the study.
在江西44个湿地松林区设立调查点,对影响萧氏松茎象发生的16个林分因子进行调查,并应用逐步回归方法进行分析。
2.
The results showed that the effect of all stand factors on the surface fuel loading was outstanding,but the close canopy mainly affected the 1-h time tag surface fuel loading,and stand average age mainly affected 10-h time tag surface fuel load.
设立64块标准地,应用回归分析,建立马尾松(Pinus massonianaLamb)林分地表可燃物载量与主要林分因子动态关系的数学模型。
3.
The investigation shows that the stand factors(such as crown density,exposure and so on.
通过调查得出林分因子如郁闭度、坡向、坡位对松毛虫白僵病流行均有不同程度的影响，研究分析了气候条件中温湿度的影响和温湿系数与松毛虫白僵病感染率的相关关系，两者模型为Ｙ＝ １２。
3) stand factor
林分因子
1.
Correlation between stand factors and arthropod community in Phyllostachys pubescens forest;
毛竹林林分因子与节肢动物群落的关系
2.
The results showed that the effects of all stand factors on the surface fuel loading were remarkable, but the stand average age and the close canopy mainly affected the 1 h time tag surface fuel loading, the stand average high mainly affected 10 h time tag surface fuel loadi.
通过对杉檫混交林标准地的调查,应用回归分析,建立林分地表可燃物载量与主要林分因子动态关系的数学模型。
4) Forest factors
林分因子
1.
Through typical sampling technique, the relationship between forest factors and occurrence of Pinus armandii blister rust was studied in 222Forest Farm and Qiaojia County.
在云南巧家县和东川区二二二林场华山松疱锈病发病高峰期,通过典型抽样调查,经数据处理后得出影响华山松疱锈病发生的主导林分因子,在巧家县为:林木长势、林内卫生状况、样地内松树密度、郁闭度;在东川二二二林场为:林木长势、坡位、郁闭度。
2.
This article researched preliminarily the biological characteristics and relationship between forest factors and occurrence of D.
研究了德昌松毛虫的生物学特性及其发生与林分因子的相关性。
3.
This article studied the biological characteristics and relationship between forest factors and occurrence of D.
研究了云南松毛虫(DendrolimushouiLajonquière)的生物学特性及发生与林分因子的相关性。
5) stand variables
林分因子
1.
This paper studied stand variables affecting understory plant species diversity of three typical forest types in over cutting forest region,northeastern China.
以我国东北过伐林区 3种典型森林类型为对象 ,用多元逐步回归方法来研究影响天然林下层植物多样性的林分因子 ,尤其是与森林经营有关的林分因子 ,从而通过经营来维持和增加物种多样性。
6) factor analysis
因素分析
1.
The Factor Analysis and Measurements Protecting on the Coal Spontaneous Combustion in Huainan Mine Area;
淮南矿区井下煤炭自燃火灾因素分析及防治措施
2.
The comparison of monofactor and multifactor analysis with prognosis for sudden deafness;
突发性耳聋预后单因素与多因素分析比较
3.
Factor analysis for increase of uterine-incision delivery;
剖宫产率上升的因素分析
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条