Natural regeneration intensity on cut-over area is 690 trees·hm-2,and artificial regeneration planting ground 575 trees·hm-2,pine under Pinus tabulaeformis and Pinus densiflora 181 trees·hm-2,other species 295 trees·hm-2.
hm-2,人工更新造林地为575株。
Function and Enlightenment of Afforestation Deposit System Protecting the Reforestation
造林保证金制度保障更新造林的作用和启示
On the basis of natural conditions in Zhanggutai,preliminary studies on 3 reforestation models of sand fixation plantations were carried out on flat fixed sandy land.
针对章古台自然条件,在平缓固定沙地上开展更新造林模式的研究,建立了3种更新造林模式,并对其效果进行了初步分析,得出杨树林农复合林是更新造林的适宜模式,可为三北类似地区迹地更新造林提供参考。
Gap regeneration in a broadleaved Korean pine forest in Changbai Mountain Natural Reserve.;
长白山自然保护区阔叶红松林林隙更新的研究
The paper introduces the functions of gap size, gap age and gap border trees that have done in gap regeneration, and summarizes the circumstance of gap regeneration theory applying in forest practice.
文中综述了林隙大小、林隙年龄和林隙边缘木在天然林更新过程中所起的作用,以及林隙更新理论在林业生产中实际应用情况,指出林隙更新理论在森林经营上的应用是未来林隙研究中的重要方面。
Function and Enlightenment of Afforestation Deposit System Protecting the Reforestation
造林保证金制度保障更新造林的作用和启示
Application Effect of Stock-planting Shovel with V-type in Transformation Afforestation
V型植苗锹在更新造林中的应用效果
Reforestation Models of Sand Fixation Plantations in Zhanggutai
章古台固沙林更新造林模式的初步研究
Discussion on the Importance of Increasing the Proportion of Broadleaf Species in Reforestation
谈增加阔叶树种比重在更新造林中的重要作用
Clear cutting shall be put under strict controls and the reforestation shall be completed in the same or next year of the cutting;
皆伐应当严格控制,并在采伐的当年或者次年内完成更新造林;
the area and number of trees in the reforestation shall not be smaller than those cut.
更新造林的面积和株数不得少于采伐的面积和株数
Tree cutting organizations or private individuals shall, in accordance with the area, number of trees, tree species and period of time specified in the cutting license, finish the reforestation task;
采伐林木的单位或者个人,必须按照采伐许可证规定的面积、株数、树种、期限完成更新造林任务,
Study on Techniques of Transformation and Renovation of Farmland Shelter Belt in Plain Area of Yellow River;
黄泛平原农田林网更新改造技术研究
A Comparative Test of Several Renewal Tree Species in the Land after Cunninghamia Lanceolata Trees Are Cut;
杉木采伐迹地造林更新树种比较试验
Withered & Death Elaeagnus angustifolia Plantation in Labaquan Forest Farm
喇叭泉林场干枯死亡沙枣林更新改造试验
Study and Development on Silviculture Assistant Decision and Data Update System;
造林决策与数据更新子系统的研究与开发
Effects of the Different Transformation and Regeneration Models on Species Composition and Plant Diversity of Cypress Forests
不同改造和更新模式对柏木林群落物种组成和物种多样性的影响
Urban Rejuvenation under Functional Replacement:Three Patterns of Remodeling Courtyard in Berlin
功能置换带动城市更新——柏林庭院改造的三种模式
simulated inventory data updating
模拟调查数据更新 -森林
Studies on the Regeneration of Forest Communities in Malan Forest Region on the Loess Plateau;
黄土高原马栏林区森林群落更新研究
Study on Vegetation Regeneration of Skidding Road in Liushuhe Forest Farm of Jinlin Province
吉林柳树河林场集材道植被更新研究
renewal and reform of fixed asset
固定资产的更新改造
Characteristics of Stand Regeneration of Two Forest Types in Natural Larix gmelinii Forest
兴安落叶松天然林2种林型林分更新特征