The evaluation of the stand density.
对林分密度的评价。
The stand density of SWCFSWL was determined.
研究确定了辽西地区林分密度；
The correlation between the output of different dimension stock and stand density was significant.
植株密度和果实产量之间存在一种相关关系。
This not only tested the forest dynamics model but also verified the theory of stand density effect.
通过本文的研究既检验了林窗动态模型又印证了林分密度效应理论。
Furthermore, a new method is adopted to coordinate the maximum stand density line, which is integrate...
同时，将最大密度线与标准表统一起来，提出了配合最大密度线的新方法。
Stand density index (SDI) was applied as a quantitative index to measure mean crowd degree between trees.
选择林分密度指数(SDI)作为反映林分中林木之间平均拥挤指标。
Stand density had a weak impact on height, crown height, crown width, diameter and length of upper branches;
密度对上层木的树高、冠长、冠幅、树冠上层枝直径和枝长等的影响比较小；
Furthermore, a new method is adopted to coordinate the maximum stand density line, which is integrated with then...
同时，将最大密度线与标准表统一起来，提出了配合最大密度线的新方法。
These models could be used to generate the standard tables for tree height, dbh, stand density and density control map.
模型可用于编制树高标准表、直径标准表、密度标准表以及密度控制图等。
But stand volume descents to a great extent, age class and stand density structure are maladjusted badly, and the number of stand growth is low.
但蓄积量大幅下降，林分的龄组、密度结构严重失调，林分生长量偏低。
The ratio of damaged trees was negatively correlated with stand density, soil depth and size class of diameter, and positively correlated with tree height.
林分密度和受灾率及土层厚度和受害株数均呈显著的线性负相关；
These were tree age, stand density, resin tapping, rainfall, temperature, clay soil, stone soil, soil depth, water logging, and other diseases and insect pests.
它们是树龄、林分密度、割脂、降雨量、温度、粘性土、石砾土、土层瘠薄、积水、病虫危害。
It was larger in sunny slope than in shady slope under the similar density, and the index gap between different slope increased with the increase of stand density.
叶面积指数随林分密度的增加而增加，在相同密度条件下阳坡的叶面积指数大于阴坡，且密度愈大两者相差愈大。
By using observation data over 50 years, the paper systematically analyzed the relations of different stand density with diameter, height, crown of trees and so on.
利用近50年的系统定位观测资料，分析红松果材兼用林不同林分密度与直径、树高、冠幅等主要测树因子的关系。
The model of calculating new culm yield has also been established depending on the nonlinear relationship between new culm yield and bamboo stand density, culm age component.
并根据新竹产量与竹林密度和林分年龄组成的非线性相关关系，建立了新竹产量的预测模型。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多，经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
Single age variable stock volume growth model had low coefficient of determination, but it was improved a lot by introducing site index and stand density index in reparameterization.
林龄单因变量的蓄积量生长模型决定系数低，引入地位指数和密度指数再次参数化的生长模型可显著提高模型拟合度。
At last, this paper will also apply the stand density model established with artificial neural network in asset assessment of forest resources and the estimation of growth and harvest.
最后，本文还将把人工神经网络建立的林分密度模型用于森林资源资产评估，进行生长收获的预估。
By means of the studies we also found that the stand density and site conditions had important effects on the dead and dying tree number, but the density was more important than the site conditions.
研究发现，林分密度和立地条件对枯死木株数均有重要作用，但密度比立地条件更重要。
So it's really the density of very large old trees that are draped in moss that is important at a forest stand level.
因此被苔藓所覆盖的非常古老的树木的密度确实对森林的林分水平很重要。
In this scenario, pellets stand out because they are easy to handle natural products. They require little storage space and have high energy density.
在这种情况下颗粒脱颖而出，因为它们是很容易处理的天然产品。它们存储空间小并且具有高能量密度。
The standing nutrient accumulation in whole stand increased with the increase of density.
林分营养元素积累量随林分密度的增加而增加；
The stand of big density has a larger quantity of living beings and net productivity.
密度大的林分，生物量和净生产力也大。
Higher density stands reach quatitive maturity earlier than lower density stands, the annual stem volume produced by unit land area of higher density stand is larger than that of lower density stands.
随着密度的增加，林分达到数量成熟期的年限变短，若以数量成熟期为采伐年限，则单位面积年均材积产量仍以高密度林分为最大。
Site type and stand age can significantly influence the paper properties whereas silviculture density effect isn't significant yet.
其中，造林密度对木材造纸特性的影响不显著，年龄、立地类型均显著地影响造纸特性。
And the effects of the site type, silviculture density and stand age on the above indexes are studied.
并分别立地类型、造林密度、林分年龄对这些指标的影响进行了研究。
The shearing strength in tangential face and shearing strength in radial face of P. densiflora wood from the stand with low density were lower than those from the stand with high density.
弦面和径面抗剪强度，林分密度相对低的林分人工林赤松低于林分密度相对高的林分人工林赤松；
In addition, the paper analyzed and simulated growth process of stand basal area, volume and biomass under different initial planting density for Cunninghamia lanceolate, plantation.
另外，对杉木不同初植密度下林分断面积、蓄积和生物量的生长过程进行了分析和模型拟合。
A proper integration of both azimuthal and radial variations in SAP flux density within a tree can be scaled for whole-tree transpiration, which can relatively accurately estimate stand transpiration.
对树木液流密度在径向和方位上进行适当的整合，可较准确地计算整树和林段蒸腾。
A proper integration of both azimuthal and radial variations in SAP flux density within a tree can be scaled for whole-tree transpiration, which can relatively accurately estimate stand transpiration.
对树木液流密度在径向和方位上进行适当的整合，可较准确地计算整树和林段蒸腾。
应用推荐