1) thinning intensity
间伐强度
1.
Seasonal response of soil enzyme activity to thinning intensity in aerial seeding Pinus tabulaeformis stands;
飞播油松林地土壤酶活性对间伐强度的季节响应
2.
Effects of Thinning Intensity on Aerial Seeding Pinus Tabulaeformis Stands;
间伐强度对油松飞播林影响的研究
3.
The resuhs showed that the mortality rates of the remaining trees were lower at the mid-thinning and high- thinning intensity.
在辽东山区某试验林场内设置固定标准地,观察间伐强度对天然次生林的作用效果,从而确定最佳的间伐强度。
2) intermediate cutting intensity
间伐强度
1.
The results indicated that: average DBH and increasing rates of volume for broad-leaved trees increased with the increase of intermediate cutting intensity,but influenced a little on height;the growth of Pinus koraiensis s DBH and height were promoted obviously as the increase of intermediate cutting intensity,but declined just in the year of the first intermediat.
文章针对不同间伐强度对人工阔叶红松林生长的影响进行了调查研究。
2.
The intermediate cutting intensity experiment was conducted in the Cunninghamia lanceolata stands at the age of ten on Zaoxia Forest Farm of Fengxin County, Jiangxi Province in June, 1976 and was finished in October, 1996.
1976年6月在江西省奉新县下林场10年生杉木林中进行抚育间伐强度试验,1996年10月结束,历时20年。
3.
In the intermediate cutting intensity experiment of the Cunninghamia lanceolata Plantation for 20 years,the change pattern of stand natural thinning through the different intermediate cutting intensities was studied,the relationship between tree number of the natural thinning and the stand intensity & site conditions was revealed,the mathematical equation Mk_1·k_2 of natural thinning lines of C.
在杉木人工林抚育间伐强度试验20年中,研究不同间伐强度林分自然稀疏的变化,揭示自然稀疏株数与林分密度和立地条件的关系,对杉木林密度管理图自然稀疏线数学方程M=k1·k2作出检验,提出不同间伐强度林分直径、树高和林冠结构等。
4) cutting intensity
采伐强度
1.
The Impacts of Cutting intensity on the Growth of Larch Forest;
采伐强度对落叶松林生长量的影响
2.
This growth model was then applied to study dynamic varivation of diameter grade,and effects on different cutting intensity to periodic average increment,annual yield and refaunation time were also analysed.
以矩阵模型为基础 ,利用林分直径生长、进界生长和枯损的资料 ,用非线性动态模型模拟长白山阔叶红松林动态生长 ,并预测短期内在不同的采伐强度下林分的径阶变化 ,分析不同采伐强度对年生长量、年收获量和恢复年数的影响。
5) Thinning intensity
疏伐强度
1.
Through years of study, the paper describes the growth, development and fruiting of Pinus armandi seed production forests under different thinning intensity, and it also proposes reasonable integrated thinning intensity plan for Pinus armandi seed production forests.
母树林的生长结实与疏伐有直接的关系 ;不同的疏伐强度能对母树林的生长发育和结实产生不同的作用。
6) felling intensity
采伐强度
1.
The choice of felling intensity plays the key role in the forest management.
选择多大的采伐强度对森林的经营起着关键性的作用。
2.
Through real surveying material, the paper determines the influence of forest density and felling intensity to stander damage and finds out changing regulation.
本文通过兴隆林业局的实测资料,确定出林分密度和采伐强度对保留木损伤的影响,找出其变化规律,认为:①随着林分密度的增加,保留木损伤率也增加。
补充资料：表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
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