人工更新

白桦林下红松人工更新技术的研究

Artificial regeneration techniques for Korean Pine under white birch forest

林地土壤对沙棘人工更新的影响

Effects of Forest Soil on Artificial Regeneration of Sea Buckthorn

在采伐带上应以人工更新为好，树种以水曲柳、胡桃楸、椴树为主。

Should be the main regeneration species on the cutting strip .

过伐林群落的种对关联分析天然过伐林采伐迹地的人工更新

Analysis on Species Association in the Post Cutting Forest Communities

蒙古栎人工更新技术的研究

Study on Artificial Regeneration Techniques of Quercus mongolica

人工更新造林成效分析研究

Research on Effect of Artificial Regeneration Reforestation

实行择伐林冠下红松人工更新改造阔叶低产林的研究

Studies on the planting of Pinus koraiensis under the canopy of selective felled broadleaved stands

云杉天然群体遗传多样性研究川南天然常绿阔叶林人工更新后土壤生态特性研究

Study on Soil Ecological Characteristics after Natural Evergreen Broadleaved Forest Artificial Regeneration in Southern Sichuan Province

病害在10年～30年生的鳞皮云杉人工更新幼林里流行。

Needle cast became epidemic in the 10 to 30 years old spruce stand by artificial regeneration .

天山西部林区云杉人工更新的成因分析

Analyzing the Contributing Factors in the Spruce Artificial Regeneration in the Western Forest Region of the Tianshan Mountain

寒温带云冷杉林次生演替成亚高山草甸人工更新技术的研究

Study on man-made regeneration technique of ALM from secondary succession of dragon spruce and Faber fir forest in frigid and temperate zone

在长白山林区通过野外调查、固定样地对比试验与分析，对水曲柳人工更新方式进行了研究。

Artificial regeneration of Fraxinus mandshurica in forest range of Changbai Maintain was studied based on the survey and analysis of fixed plots in field contrast trial .

高台整地处理对林地土壤含水量和土壤温度的改变，有利于天然林下水曲柳人工更新幼苗的存活和生长。

In conclusion , the conditions of soil surface moisture and temperature were changed by the treatment of hathpace soil preparation , which highly availed the growth of ash seedlings in this research .

按传统，DNS保持一个静态的数据库，由人工进行更新。

Traditionally , DNS maintains a static database that is updated manually .

以水源涵养为目标的低功能人工林更新技术研究

Study on the Artificial Forest Reforming Techniques of Lower Water-conserving Function

其中采取人工促进更新和引进灌木措施的林分的生长情况良好，说明这两种措施对林分的生长产生了有利的影响。

This suggests the difference effects of the measures . The stand Which take artificial promotion update and introduction of shrub measures is in good condition of growth .

未来一段时间内，先锋种群红桦将处于生长优势地位，但从长远看，仍需要人工辅助更新。

In a period of future time , B.albo-sinensis would still be dominant , but from a long-term view , it was necessary to take some artificial measures to improve the regeneration of B.albo-sinensis .

该方法克服了人工方式更新移动存储器上过时的副本，费时费力，可能会遗漏某些文件的更新之缺点，简化了文件备份过程，提高了文件备份的效率。

The method overcomes the disadvantages of manual mode that wastes time and energy and may leave out the update of some files as . The method simplifies the file backup process and improves the file backup efficiency .

通过实现活动图模型的自动更新，能够省去人工模型更新的工作开销，有效地提高回归测试的效率。（3）基于上述研究工作，开发出了原型工具并进行了实例研究。

By automatic model revision , manual model updating can be eliminated , and the efficiency of regression testing can be improved dramatically . ( 3 ) Applying to the above two techniques , we develop two prototype tools and carry out a case study .

杉木人工林萌芽更新初探

An Initial Discussion on Germination Renewal of Chinese Fir Planted Forest

小兴安岭林区人工促进天然更新策略的探讨

Approach on Artificial Regeneration of Forests in Xiaoxing ' an Mountains

柳杉人工促进天然更新试验初报

Preliminary Report on Promotion of Natural Regeneration by Artificial of Cryptomeria fortunei

人工造林、更新实绩评价模型的研究与应用

Research and Application of Evaluation Model of Substantial Forestation and Reforestation Results

基于价值评价法的人工林下更新苗木优化选择研究

Optimization of Planted Seedling under Plantation in Beijing Based on Value Evaluation

第二代杉木人工林的更新方式与技术

Regeneration Methods for the Second Generation Chinese Fir Plantation

哈尔滨城市人工林天然更新组成结构与年龄结构

Species composition and Age Structure for Natural Regeneration of Urban Plantations in Harbin

不同密度油松人工林生长更新状况及群落结构

Growth , regeneration and community structure of Pinus tabulaeformis artificial forest under different densities

人工促进天然更新培育菇木林效果调查

Investigation on Effect of Mushroom Forest with the Function of Natural Regeneration Facilitated Artificially

人工促进萌芽更新发展常绿阔叶林

Artificial Promoting Coppice for Developing Evergreen Broad-leaved Forests lateral buds , shoots , branches , etc

贵州喀斯特地区侧柏人工林天然更新效果的因子分析法研究

Factor Analysis on Natural Regeneration of Platycladus orientalis Artificial Forest in Karst Area of Guizhou Province