人工造林
- 网络forest plantation;afforestation;artificial afforestation;forestation
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指出了封山育林、人工造林、改善林地经营方式是提高森林生态价值的主要途径。
The study shows that closing hills for trees growing , afforestation and good cultivated methods can be used to improve the forest ecological value in Guangxi .
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经9年来对木荷人工造林的实践:海拔900m以上地带,宜在3月中旬造林;
: 9 year 's afforestation of Schima superba showed that , in the belts with an elevation of more than 900 m , proper afforestation time was the middle ten days of March ;
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藜蒴大面积人工造林技术初报
Preliminary Report on Artificial Afforestation Technology of Castanopsis fissa at Large Areas
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枫香树人工造林模式效果研究
A research in the different artificial afforestation models of Liquidambar formosana Hance
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中国人工造林面积居世界首位。
China 's afforested area comes first in the world .
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大通县人工造林对土壤物理性状影响的研究
Study on Soil Physic Characters Changes with Plantation in Datong
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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
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彰武沙区不良气候条件对人工造林的影响
Effect of Adverse Climatic Conditions on Artificial Afforestation in Zhangwu Sandy Area
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越南的森林、人工造林和树木引种驯化
Forest , Artificial Forest , Introduction and Breeding of Trees in Viet Nam
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科尔沁沙地典型地区人工造林对沙漠化过程的影响
Effect of Artificial Forestation on Desertification in Typical Area of Horqin Sandy Land
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四川会理县华山松人工造林成效初步研究
Survey on the Afforesting Effect of Pinus Armandi Plantation in Sichuan Huili County
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南方人工造林的效益评价&以罗霄山区桂东县为例
Benefits of Evaluation on Artificial Forest in South China
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景洪市近年人工造林状况及存在问题分析
Analysis on Current Situation of Artificial Forestation in Jinghong City and Existing Problems
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本文试图从土壤特性变化和风蚀积沙作用方面探讨草原人工造林的重要性。
Exploration on compaction technology for subgrade made of wind-blown sand in a desert area ;
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第四,通过人工造林等方法增强碳吸收汇,保护碳封存。
Fourth , enhance carbon sinks , protect carbon sequestration by afforestation and other methods .
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人工造林服从正态分布。
R.stand is subject to normal distribution .
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林下植被生物量为:人促更新>天然更新>炼山人工造林。
The vegetation biomass under woods was artificial regeneration > natural regeneration > artificial afforestation .
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加强人工造林树种的筛选;
The selection of resistant species ;
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黄河上中游人工造林对年径流量的影响
Influences of Artificial Afforestation on Annual Runoff Amount in Upper and Middle Reaches of Yellow River
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风蚀沙埋是制约沙区人工造林成活率的主要因子之一。
Wind erosion is one of main factors to restrict the survival rate of artificial forestation .
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人工造林1科1属1种。
, 1 family , 1 genera and 1 specie are artificial generation ( A.R. ) .
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研究结果可以为干旱、半干旱地区人工造林和高效利用水资源提供依据和参考。
It could represent effective information for utilization of water resource and afforestation in arid and semiarid areas .
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不同林分物种丰富度为:天然更新>人促更新>炼山人工造林;
The species abundant degree in different stands was : natural regeneration > artificial regeneration > artificial afforestation ;
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人工造林可加速土壤层的形成进程,提高土壤的入渗率,如香樟-羊蹄甲基混交林,土壤层稳渗率为4.72mm.min-1,而母质层仅为0.16mm。
Vegetation restoration could speed up the process of soil formation and raise the infiltration rate of soil .
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桉树是世界上第二大类人工造林树种,亦是目前最重要的木浆原料林之一。
Eucalyptus is the second largest forestation species and the most important raw wood pulp tree in the world .
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然而,我国森林病虫害总的发生又随着人工造林面积的持续增长而不断地上升。
With the artificial afforestation area continues to grow , forest diseases and pests is always in upward trend .
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其中人工造林438.8万公顷,飞播造林91.1万公顷。
The artificial afforestation area is 4.388 million hectares , and the afforestation area by the plane is 911000 hectares .
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而这一地区人工造林育林的成就,在中国林业史上据有重要的位置。
Instead , the achievement made in artificial afforestation and tree cultivation occupies a significant place in the history of Chinese forestry .
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作者对当前世界森林状况进行了分析,认为世界森林的发展趋势是:世界森林资源在减少,但是人工造林在大力发展;
The current situation of the world forests is analyzed in the paper . Authors consider that the world forest resources are decreasing .
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对低山红壤区,人工造林与封禁治理并举,有望5~10年取得成效;
In a low-mountain red soil area , it should conduct afforestation and grazing ban together and can achieve success within 5-10 years .