林分结构

合理的林分结构在450丛·hm-2时，丛立竹数为10株左右，胸径4～6cm。

With the optimal stand structure , when the stand density was 450 culms per hectare , the clumping living bamboo should be 10 culms with dbh 4-6 cm .

林分结构对红松分杈的影响

The Effect of Stand Structure on the Forking of Korean Pine

在城市环境下，不同林分结构类型的乔木片林对空气负离子水平以及空气质量指数（CI）的影响差异不显著；（4）天气条件对绿地的空气负离子水平存在显著影响；

Under the different tree environment , the aero-anion horizontal difference is remarkable ; ( 3 ) In the city ecology environment , the concentration of air anions and CI had no significant differences when the stand structure of arbores were different ;

抚育间伐对林分结构及群落演替的影响

The impacts of thinning on stand structure and community succession

对林分结构模拟中窗宽确定方法的研究

A Research on Determining Window Width for Simulation Stand Structures

林分结构研究现状与展望

Present Situation and Prospect of the Study on Stand Structure

本研究以落叶松云冷杉林为研究对象，对该森林类型的林分结构特征进行了分析。

Stand structure features of the forest were analyzed in the study .

祁阳县油茶林分结构和质量状况的研究

Studies on Forest Structure and Quality of Camellia Oleifera in Qi Yang County

甘肃胡杨林分结构的研究

Studies on stand structure of diversiform-leaved poplar in Gansu

柏木人工林立地质量与林分结构规律的研究

A Study of the Site quality and Stand Structure of Mourning Cypress Plantations

杉木三年桐混交林分结构研究

Studies on Stand Structure of Mixed Model for Chinese Fir and Tung Oil Tree

兰考泡桐林分结构规律研究

Research on the Structure of Paulownia elongata Stand

应用林分结构复原法评价经营措施及更新效果研究

Study on the Appraisal Management Measure and Renewal Effect with Stand Structure Restoration Law

林木间的竞争是塑造林分结构的最主要的因素。

Forest competition is the most important factor to model standing forest space structure .

林分结构随生长变化的动态模型

Dynamic Model of Growth Variety of Stand Structure

甘肃省洮河林区云、冷杉林分结构实例

The Examples of picea and Abies Forest Structure in Taohe County , Gansu Province

同时，通过调整林分结构亦可达到森林合理经营的目标。

With the help of adjusting stand structure , reasonable forest management can come true .

两种湿地松群落的小气候特点及其与林分结构的关系

Microclimatic Characteristics and Their Relationship With Forest Structure for Two Community Types of Slash Pine

伏牛山自然保护区珍稀树种林分结构与综合保护

Stand Structure and Protection of Rare and Endangered Tree Species in Funiu Mountain Nature Reserve

永林公司不同森林经营模式林分结构与功能的比较研究

Comparison of the Structure and Function of Stands under Different Management Pattern in Yong'an Forestry Company

油桐栽培密度及林分结构模式的研究

Studies on the model of tung-oil tree planting density and its structure of the standing forest

新造毛竹林林分结构年际演替规律及影响因子

A study of the interannual succession rule and influential factors of young stands structures of Phyllostachys pubescens

以森林经理调查与生态调查相结合的方法为基础，分析八达岭林场糠椴次生林分结构以及生物多样性。

Based on forest inventory and ecology inventory , analysis on the stand distribution and biodiversity was conducted .

水曲柳红松混交林的研究（Ⅱ）&林分结构及效应分析

Study on the mixed forest of Pinus koraiensis and Fraxinus mandshurica ⅱ analysis on the structure and effect of mixed forest

林分结构不同，林分内寄主松树的内栖真菌区系不同，进而对松材线虫的抗性不同。

The resistance of pine to the pine wilt disease also changes with varied forest structure due to different inner habiting fungi .

通过现代化的手段模拟最优的林分结构模式实现林分结构重建是今后进一步研究的内容。

The stand spatial structure parameters should be studied by modern methods to draw up the best stand composition model in the future .

结合广东林分结构与森林健康的分析，提出提高森林健康水平的建议。

And , on basis of stand structure and silvan health in Guangdong Province , the opinion of improving silvan health was brought forward .

但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。

However , the species choosing , mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation .

对林分结构研究表明，不同发育阶段的林分林木直径分布呈左偏单峰山状曲线，林木株数随径阶变化可以分为四个阶段；

It was found out that the value of the stand DBH at the succession stages appeared to be inclined to left side mountain-liking curve .

在准则层中，功能稳定性较强而结构合理性较脆弱；在约束层中，林分结构和生态防护功能稳定，经济效益较稳定，林种结构和树种结构脆弱，社会效益极脆弱；

In limiting layer , ecological protection function and tree species structure have high contribution to the stability of protection forest system in oasis irrigation area ;