The Research Morphology Physiology and Stress Resistance of Picea mariana of North America;
黑云杉种源早期选择研究
A Study on Introduction of Picea glauca and Picea mariana in China;
北美白云杉、黑云杉在中国的引种研究
An isolate of the genus Graphium Corda on blue-stained Picea mariana was studied in terms of its morphological characteristics,and it was also identified.
研究了从变色黑云杉上分离到的粘束孢属菌株。
Studying On The Growth Characteristics of The Black Spruce and the White Spruce During the seedling stage;
黑云杉、白云杉苗期生长性状研究
) and black spruce (Picea mariana B.
该文研究了多重复干旱循环对１年生北美短叶松和黑云杉苗木的气体交换速率及水分利用效率的影响。
Relationships between Timber Anatomical Structure of Picea jezoensis and Damage by Monochamus urussovi
鱼鳞云杉干部显微解剖结构与云杉大黑天牛危害的关系
Study on the Degradation of 9 Species of Edible Fungi to Spruce Lignin and Cellulose;
9种食用菌对云杉木质素及纤维素降解的研究
Approach on Eliminate Spruce Woods of Diseases and Pests in Maixiu Forest Zone Huangnan;
浅谈黄南州麦秀林区云杉病虫害木清理
Gene Differentiation in Natural Population of Picea asperata and Sampling Strategies for Ex situ Germplasm Resource Conservation;
云杉天然群体基因分化与种质资源异地保存抽样策略
Growth Trait Variation of Picea asperata at Seedling Stage and Provenance Selection;
云杉种源苗期性状变异及种源选择初步研究
Genetic differentiation and Provenance Division of Natural Population in Picea asperata;
云杉现有天然林的遗传分化和种源区划分
Comparative Study on Picea and Abies in Hengduan Mountainous Areas;
横断山区云杉林与冷杉林的对比研究
Progress in Genetic Diversity of Picea at Phenotype and Allozyme Level;
云杉表型与同工酶遗传多样性研究进展
Scanning electron microscopic observation of the needles in picea were des-cribed,the results showed that,the cuticular layer of surface needles was equal thick ei-ther on upside or on reverside epidermis.
对针叶树云杉的针叶进行了表面结构的观察。
Techniques of accelerating seedling growth and interaction with proveninces in black spruce
黑云杉补光育苗技术与种源互作研究
The photosynthetic responses determine the habitat of P. rubens and P. Mariana in the climax forest.
光合反应决定红云杉和黑云杉在顶极林中的生态环境。
Relationship between Volatile Matters from Picea jezoensis and Endangerments of Monochamus urussovi
鱼鳞云杉干部挥发性成分与云杉大黑天牛危害的关系研究
Relationships between Timber Anatomical Structure of Picea jezoensis and Damage by Monochamus urussovi
鱼鳞云杉干部显微解剖结构与云杉大黑天牛危害的关系
The Study on Spruce Forest Decline Mechanism in Low-lying Land in Eastern Mountain Area in Heilongjiang Province;
黑龙江省东部山区谷地云冷杉林衰退机理的研究
Characteristics of Soil Organic Carbon under Picea crassifolia Forest and Relationship with Environmental Factors in Upper Reaches of Heihe River
黑河上游山地青海云杉林土壤有机碳特征及其影响因素
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%;
The Research on Growing Process and Stand Desity of Larch and Chinese Spruce Multi-layer Stand in QingShan Forest Farm of SouthEast China;
黑龙江省青山林场落叶松云杉人工复层林生长过程与林分密度研究
The growth of spruce and fir needles is determinate.
云杉和冷杉的针叶生长是有限的。
The most common construction woods are Douglas fir, hemlock, spruce, pine, and some cedar.
最常用的木料是道格拉斯冷杉，铁杉，云杉，松木以及其他一些杉木。
dark clouds scudding by.
黑黑的乌云滚滚而来
Conifer tree style such as pine, fir, spruce, redwood, cypress, etc.
针叶类树包括松树、杉树、云杉、红木、柏树，等等。
Conifer tree style such as pine, fir, spruce, redwood, cedar, etc.
针叶类树包括松树、杉树、云杉、红木、雪松，等等。
Conifer tree style such as pine, fir, spruce, redwood, juniper, etc.
针叶类树包括松树、杉树、云杉、红木、刺柏，等等。
Gorals seldom feed on Pinus koraiensis,Picea jezoensis,Abies nephralepis(1%,0.7% and 1.7%,respectively).
斑羚在冬季食红松、云杉、冷杉较少(1%、0．7%、1．7%)。
A PRELIMINARY STUDY ON PHOTOSYNTHESIS OF PICEA BRACHYTYLA VAR. COMPLANATA AND ABIES GEORGEI
滇西北亚高山云杉和冷杉光合作用的初步研究
PERIDERMIUM KETELEERIAE-EVELYNIANAE ZHOU ET CHEN, A NEW SPECIES OF RUST FUNGI ON KETELEERIA EVELYN IANA
云南油杉枝锈病一新病原———油杉被孢锈(新种)
Soil samples were collected from spruce, hemlock and pine forests in central Taiwan.
土壤样品采自台湾中部的云杉、铁杉林与草地。