收获法
- 网络harvest method
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采用直接收获法研究了浙江天童地区苦槠+白栎次生灌丛群落的地上部分生物量。
The harvest method is used to study plant aboveground biomass of Castanopsis sclerophylla + Quercus fabri shrubland in Tiantong region , Zhejiang Province .
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该文应用样方法、收获法以及地理信息系统技术研究了大熊猫祥祥野化培训圈内主食竹种的生长发育特性和生物量结构特征。
In this paper , the characteristics of the bamboo growth and biomass structure in the Giant Panda 's field training area in Wolong Nature Reserve were studied with the sample method , harvest method and GIS technique .
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本文用收获法、相关曲线法测定并估算了该群落近熟林和成过熟林的生物量与年平均净积累量,结果分别为508.57t/hm2,12.1051t/(hm2·a);
The biomass and mean annual net accumulation for the pre-matured and the matured or over-matured forest communities were estimated through harvesting and correlation . The results show that the biomass was 508.57t · hm-2 and 293.04t · hm-2 in the prematured and the matured or over-matured forests , respectively .
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草本植物用收获法测定。
And herb biomass is determined by harvesting method .
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桑树省力化全年条桑收获法的研究
Research on the Whole Year Labor - saving Mulberry Shoots With Leaves Harvesting Method
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采用收获法和相对生长法对田林县不同年龄尾叶桉人工林的生物量和生产力进行了研究。
An investigation was conducted into the biomass and productivity of Eucalyptus utophylla at different age stands in Tianlin County where there is a new cultivated area for E.
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采用收获法分析了文县杨生物量分布状况,其各器官生物量比例为:树干56.12%、树皮为13%、叶为9.5%、枝为21.4%。
Investigation of biomass percentage of different organs of up-ground parts showed the trunk of 56.12 % , the bark of 13 % , the leaves of 9.5 % and the branches of 21.4 % .
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本文采用标准木回归分析法(乔木层、木质藤本)和样方收获法(灌木层、草本层)研究了西双版纳湿性季节雨林生物量及其分配规律。
The biomass and its allocation of a tropical wet seasonal rain forest in Xishuangbanna were studied based on the standard tree regression analysis ( for trees and lianas ) and clear cut method ( for shrub and herb ) .
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林木资源资产评估中收获现值法与群体评估模型的探讨
Discussions on the profit present value method and group valuation model on forest resources valuation
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归纳总结了适用于桉树林木资产评估的三种方法:重置成本法、收获现值法、市场价倒算法。
The article introduces three assets evaluation methods on Eucalyptus forest : replacement cost method , present earning value method and market-based forest value method .
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兴安落叶松天然林可变密度收获表编制法的研究
Study on Method of Constructing Variable Density Yield Table