Effect of the Simvastatin on the osteoclastic resorption and bone anabolism with murine calvarial organ culture in vitro;
新伐他汀体外对破骨细胞性骨吸收及大鼠骨代谢的影响
The management, harvesting and regeneration etc.
根据多年对热带薪材林经营管理及林分采伐更新等的研究，总结了一整套经营技术，包括抹芽定株（保留２～３株／桩萌条）、追肥（复合肥３００ｇ／株）、采收更新的轮伐期（一般４ａ左右，超短轮伐期１。
Study on Ecological Logging and Regeneration Techniques for Spruce-Fir Forests in Changbai Mountain;
长白山云冷杉林生态采伐更新技术研究
Study on the Growth Modeling and Technical System of Ecology-based Harvesting and Regeneration for Larch and Spruce-Fir Stands;
落叶松云冷杉林生长模拟及生态采伐更新技术体系研究
The Effect of Three Cutting Regeneration on the Highness Class Stucture of Castanopsis Carlesii Community;
三种采伐更新模式对米槠群落高度级结构的影响
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
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;
Simultaneously, a rotation system is in place for lumbering bases so as to help restore vegetation.
同时，对采伐基地进行及时更新，恢复森林植被。
Study on Regeneration cutting Age of Shelter belt in Nongan County,Jilin Province
吉林省农安县农田防护林更新采伐年龄的研究
Research on Regeneration and Microsites within Logging Gaps in Changbai Mountain;
长白山区采伐林隙更新及其微生境研究
Study on Larix Principis-rupprechtii Population Natural Regeneration Pattern in Clearing Strip;
采伐迹地华北落叶松种群自然更新格局研究
The Research of the Artificial Regeneration Integrated Technology on the Straw Mattress and Marshy Cutover;
草甸化沼泽化采伐迹地人工更新整合技术研究
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,
For the reforestation-oriented cutting of protective forests alongside the railways and roads and in cities and townships, the competent authorities shall examine the application and issue the cutting license in conformity with relevant stipulations.
铁路、公路的护路林和城镇林木的更新采伐，由有关主管部门依照有关规定审核发放采伐许可证。
It shows that there are very different results of regenerative effects with the condition of different forest type,gloomy degree,slope degree,slope direction, deforest methods and deforest degree.
结果表明:不同林型、郁闭度、坡度、坡向、采伐方式及采伐强度其更新效果明显不同。
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
Study on the impacts of forest cutting and fire behvior on generation and species group structure of dahurian larch;
采伐干扰和火干扰对兴安落叶松林更新及种群结构影响的研究
The effects of wildness training giant pandas grazing and artificial harvesting on the regeneration of umbrella bamboo(Fargesia robusta) clone population
野化培训大熊猫采食和人为砍伐对拐棍竹无性系种群更新的影响
Artificial Promoting Measures on Natural Regeneration of Pinus tabulaeformis Plantation in Semiarid Region
采伐方式及整地对半干旱地区油松天然更新的影响
among the protection forests and forests with special uses, the national defense forest, the parent stand, the environmental protection forest and the scenic beauty forest can only permit cutting for cultivation and reforestation purposes;
防护林和特种用途林中的国防林、母树林、环境保护林、风景林,只准进行抚育和更新性质的采伐;