1.
Relationships between ecological site quality and site index of lodgepole pine and white spruce in Northern British Columbia
不列颠·哥伦比亚省北部小杆松及白云杉立地指数与生态立地质量的关系
2.
Spatial structure of mixed larch-spruce-fir stands
长白落叶松-云杉-冷杉混交林林分空间结构分析
3.
RAPD Analysis on Genetic Diversity of Picea mongolica(H.Q.Wu.) W.D.Xu and its Close Relative Species P.koraiensisNakai and P.meyeriRehd. et Wils
沙地云杉与近缘种红皮云杉和白扦遗传多样性的RAPD分析
4.
STUDY ON THE CHEMICAL COMPOSITION OF WOOD AND EXTRACTIVES OF PICEA JEZOENSIS VAR. KOMAROVII AND ABIES NEPHROLEPIS
长白鱼鳞云杉和臭冷杉的木材及其抽出物化学组成的研究
5.
THE RESEARCH ON THE WEAK ACIDIC CONSTITUTION IN SOLVENT EXTRACTIVES OF PICE A JEZOENSIS VAR. KOMAROVII AND ABIES NEPHROLEPIS WOOD
长白鱼鳞云杉、臭冷杉木材溶剂抽出物中弱酸性物质组成的研究
6.
Study on Management Mode for Spruce-Fir and Broad-leaved Trees Mixed Forests in the Over-logged Forest Region of Changbai Mountain;
长白山云冷杉针阔混交林经营模式研究
7.
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
8.
Analysis on Natural Regeneration of Spruce-Fir Mixed Stands and Seedlings Characteristics of Changbai Mountains;
长白山林区天然云冷杉林更新及幼树特征分析
9.
Dynamics of Forest Succession and Restoration Strategies for Degraded Spruce-fir Forest in Changbai Mountain
长白山退化云冷杉林演替动态及恢复研究
10.
Plant Important Value In Subalpine Spruce And Fir Forest In The North Slope Of Changbai Mountain
长白山北坡亚高山云冷杉林植物种类的重要值
11.
Plant Composing In Subalpine Spruce And Fir Forest In The North Slope Of Changbai Mountain
长白山北坡亚高山云冷杉林的植物种类组成
12.
Cold resistance Species selected are weeping willow,spruce,white elm,Chinese tamarisk and desert date.
经抗寒性分析得出垂柳、云杉、白榆、柽柳、沙枣抗冻性较强 ;
13.
Study on the Gap Regeneration in Spruce-Fir Mixed Stand in Changbai Mountain;
长白山过伐林区云冷杉针阔混交林林隙更新研究
14.
Study on the Structure of Spruce-Fir Mixed Stands in the Over-logged Forest of Changbai Mountains;
长白山过伐林区云冷杉针阔混交林林分结构的研究
15.
Genetic Variation of Plant Hormone,NR and Soluble Protein Among the Provenances of Picea Koraiensis;
红皮云杉种源间植物激素、硝酸还原酶和可溶性蛋白的遗传变异
16.
Research on the relationship between growth and illumination of Picea koraiensis Nakai plantation of young forest in Changbai Mountain region
长白山地区红皮云杉人工幼龄林生长与光照关系的研究
17.
Picea and Abies pollen percentages are more than 20[WTB3]%[WTBZ] in Picea or Abies forest and less than 5[WTB3]%[WTBZ] where Picea or Abies trees absent.
云、冷杉林中云杉、冷杉花粉高于20%,无云杉植物存在时云、冷杉花粉低于5%;
18.
The growth of spruce and fir needles is determinate.
云杉和冷杉的针叶生长是有限的。