1)Spruce[英][spru:s][美][sprus]云杉林
1.Sustainable Management Strategy of Spruce Population in Cool Temperate Zone;寒温带云杉林的保护与利用
2.This paper studied the distribution, flora, physiognomy, construction, regenation and succession dynamic of spruce forest in Wuling mountain and advanced measure of protecting and managing forest community.分析研究了雾灵山云杉林群落的分布、区系成分、外貌特点、结构特征和群落的更新演替动态规律,提出了群落的保护、经营措施。
英文短句/例句
1.Study on the Gap Disturbance Mechanism of Picea Schrenkiana-Dryopteris Filix-mas Stand;鳞毛蕨天山云杉林林冠干扰机制研究
2.The orchard is surrounded by spruce forest.该种子园四周有云杉林环绕。
3.Study on Soil Seed Bank of Picea Schrenkiana Forest after the Seed Age;种子年后天山云杉林土壤种子库研究
4.Study on Hydrological Effect of Picea Schrenkiana var.tianschanica Forest in the Middle Location of Tianshan Mountain;天山中段天山云杉林森林水文效应研究
5.Study on Microclimatic Characters of Picea Shrenkiana var. Tianshanica Forest in the Middle Location of Tianshan Mountain;天山中段天山云杉林森林小气候特征研究
6.The Characters and Regeneration of Picea Crassifolia Forest Gap in Qilian Mountain;祁连山青海云杉林林窗特征及更新特点的研究
7.Application of GIS to Spatial Differentiation of Picea schrenkiana Study in the West of Tianshan Mt.in Xinjiang新疆西天山巩留林场云杉林空间分布格局研究
8.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%;
9.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
10.The Examples of picea and Abies Forest Structure in Taohe County,Gansu Province甘肃省洮河林区云、冷杉林分结构实例
11.Research of Spatial Distribution Pattern for The Schrenk Spruce Forest;天山云杉天然林林分空间格局的研究
12.Research on Growth Models of Picea koraiensis Nakai in the Over-logged Forest in Jingouling Forest Farm金沟岭林场云杉过伐林生长模型研究
13.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。
14.Seed zones of Chinese forest trees--Seed zones of Picea asperata Mast.GB/T8822.12-1988中国林木种子区云杉种子区
15.The Present State and Trends of Clonal Forestry Development in Picea abies(L.) Karst挪威云杉无性系林业发展现状与趋势
16.Study on Sustainable Management of Spruce-fir Mixed Stands of Coniferous and Broad-leaved Trees;云冷杉针阔混交林可持续经营的研究
17.Study on Structure and Adjustment of Larch and Spruce-Fir Stands;落叶松云冷杉林结构特征及调整研究
18.Soil Nutrient Characteristics of Semi-natural Mixed Larch-spruce-fir Stands in Northeast China近天然落叶松云冷杉林土壤养分特征
相关短句/例句
spruce-fir forest云冷杉林
1.The T-square study on the spatial pattern of Spruce-fir forest in Jingouling Forest Farm shows that two spruce-fir forests are separately in aggregate distribution and random distribution.用距离方法(T-square)研究金沟岭林场云冷杉过伐林的空间分布格局,经T形指数C和Z1值检验,2块云冷杉林分别为集聚分布和随机分布。
2.Root biomass of broad-leaved Korean pine forest(BLKPF), spruce-fir forest(SF) and subalpine berch forest(SBF) in Changbai Mountain was studied in this paper.对长白山阔叶红松林、云冷杉林和亚高山岳桦林根系生物量的研究结果表明:3种森林类型根系总生物量排列顺序为阔叶红松林>云冷杉林>岳桦林;同土层深度下,根系生物量大致上也有上述规律,但第Ⅱ层根系生物量为云冷杉林>阔叶红松林>岳桦林;3种森林类型的根系生物量占其地上生物量及其总生物量的比例随着海拔升高而增加;根系大部分集中在0~60cm土层中。
3.This paper took spruce-fir forests in over-logged forest region of Changbai Mountain as research object, adopted qualitative and quantitative research approaches, and then analysed environmental impact on regeneration, remained trees, soil, vegetation and so on caused b.本文以长白山东部过伐林区云冷林为研究对象,根据汪清林业局云冷杉林的经营实践,采用定性和定量相结合的研究方法,在进行更新评价、采伐作业对保留木、幼苗幼树、土壤、水分、植被等生态环境影响分析的基础上,总结提出了对环境影响较小的采伐、集材、清林、更新技术。
3)Picea asperata stand云杉林分
1.Analysis on the environmental property of Picea asperata stand through four mathematical methods;应用4种数学方法对暗针叶云杉林分生境属性的研究
4)Picea asperata云杉幼林
1.On the Prevention Threshold of Myospalax fontanieri Milne in Picea asperata Young Plantation;云杉幼林地中华鼢鼠防治阈值研究
5)spruce fir forest云冷杉林
1.The article studies the effects on spruce fir forests′ litter and soil moisture content and litters′ decomposing rate under different management system in north Changbai Mountains.论述了检查法(少量、多次择伐法)不同作业方式对长白山北部云冷杉林下枯落物、土壤含水量及枯落物分解速率的影响。
2.Through sample plots investigation and soil sampling analysis, the paper discusses spruce fir forests soil physical and chemical properties, nutrient content, soil enzymes and soil microorganisms amount in north Changbai Mountains compared with soil under planted larch forest.该文通过标准地调查与土样测定,分析了长白山北部林区云冷杉林下土壤的理化性质、营养元素含量、土壤酶活性、土壤微生物种类和数量,并与相同立地条件下的人工落叶松林进行对比。
6)Linzhi spruce林芝云杉
延伸阅读
天山雪岭云杉林 条目目录[隐藏] 地理概况 奇特的植物 雪岭云杉用途 雪岭云杉的王国 区内动物种类 区内植物种类 中国最美十大森林之一 参考条目 [显示部分] 地理概况 奇特的植物 雪岭云杉用途 雪岭云杉的王国 区内动物种类 区内植物种类 [显示全部] 地理概况 新疆维吾尔自治区天山西段的巩留县境内,面积28000公顷。其地理位置在东经82°51’-83°06’,北纬43°03’-43°15’之间。雪岭云杉林在我国分布于新疆天山南北坡、昆仑山西部、准噶尔西部山地,东西绵延1800公里,向西延伸到吉尔吉斯斯但的天山与阿赖山,是中亚荒漠带最主要的山地常绿针叶林。在天山北坡,雪岭云杉林分布于海拔1500米~2800米的中低山--亚高山,构成了断断续续连绵千里的山地森林垂直带。在带内森林与山地草甸、草原、灌丛交错分布。在天山的云杉林中,除了雪岭云杉外,还有天山云杉。 奇特的植物 雪岭云杉的当年生嫩枝为灰色,天山云杉的嫩枝淡黄色或姜黄色。它们常常在林分中混生,一般人很少注意到这一点,读者也无须仔细辨认,变种是种以下的一个分类单位,把它们统称为雪岭云杉并没有错。雪岭云杉是天山林海中特有的一个树种。在巍巍天山深处,它苍劲挺拔、四季青翠、攀坡漫生、绵延不绝,犹如一道沿山而筑的绿色长城。风吹林海,松涛声声,绿波起伏,其势如潮。雪岭云杉,常绿乔木,叶呈针形,略弯曲;果球为长椭圆形,褐色。天山的雪岭云杉,据说是在4000多万年前,由青藏高原迁徙而来,演变成大西北独有;而又最为壮观的林木。 天山林区中90%以上的林地,都有雪岭云杉生长。在海拔1400—2700米的中山带阴坡,雪岭云杉连峰续岭,蜿蜒东西。其下缘常与高大的阔叶林混交,郁郁葱葱,五彩纷呈,形成绮丽的美景。 伊犁河畔的那拉提山是雪岭云杉最为繁茂的地区。温暖湿润的独特气候,促使云杉生长快、密度大、成材率高。成为荒漠带山地森林带最主要的建群种,说明雪岭云杉有很强的适应性。雪岭云杉树形高大,树冠窄长,呈细圆柱形或尖塔形。在最适宜的立地条件下树高达60米~70米,一般20米—30米。1957年林业部森林综合调查队(国家林业局调查规划设计院前身)在伊宁市西南巩留县调查过雪岭云杉林。这片林分为复层异龄林,可划分为3层9个不同年龄世代,每公顷蓄积量有一千多立方米。 一株雪岭云杉就是一座微型水库。云杉的根系极为发达,只需雨水,不择土壤,不管是岩石还是山脊,都是沿细小的缝隙挺进。天长日久,强壮的根系穿岩裂石,裸露的根系,有的形如狮子,有的状如墨鱼。凭着这庞大的根系,每株成材的云杉都像一台抽水机,可贮水2.5吨。
