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A karyotype study of Abies nephrolepis.

Title 臭冷杉的核型研究。

The results showed that the dominant tree species Picea jezoensis and Abies nephrolepis were distributed nearly over the whole transect,and the companion trees and most of shrubs were found in certain fragments respectively.The total number of species of the plot varied slightly,but species composition among the plots varied greatly along with the elevation variation.This trend reflected the high habitat diversity of this forest zone.

研究结果表明主要树种云杉和冷杉在整个暗针叶林带均有分布,而伴生树种和多数灌木出现于一定海拔范围内;沿海拔梯度物种数变化小而物种组成变化大则表明长白山暗针叶林丰富的生境多样性。

Therefore, on Changbai Mountains if only timber production is considered, cutting the main coniferous species having the same diameter should be in the order: Abies nephrolepis, Pinus koraiensis, and Picea koraiensis.

单纯从木材收获的角度出发,在长白山地区,相同径阶下主要针叶树种的采伐顺序应为臭冷杉Abies nephrolepis,红松Pinus koraiensis和红皮云杉Picea koraiensis。

My special thanks go to Richard Ables, Richard L. Burton III, Guillermo Castro, Charles Kolya Colt, Johan Edstrom, Jason Essington, Aaron Gallagher, Bennett Hiles, Nick Heudecker, Devin Jeanpierre, Shane Jonson, Heather Lang, Justin Lee, Joe Littlefeatherstein, Andrew Lombardi, Marzia Niccolai, Joseph Ottinger, Jeffrey Pepper, Pranav Prakash, Sverre Rabbelier, Tracy Snell, Craig Tataryn, Nestor Toro, Jason Whaley, and Grace Wong.

我特别要感谢理查德冷杉,理查德伯顿湖三,吉列卡斯特罗,查尔斯游子马驹,约翰Edstrom的,贾森埃辛顿,阿龙加拉格尔,贝内特海尔斯,尼克Heudecker,德文让皮埃尔,巴蒂尔琼森,希瑟郎,贾斯汀李乔Littlefeatherstein 安德鲁隆巴迪,马尔齐亚天极ChinaByte,约瑟夫奥廷若,杰弗里辣椒,Pranav普拉卡什,斯韦勒Rabbelier,特雷西斯内尔,克雷格Tataryn,内斯特红牛,贾森瓦莱和黄润。

Leaves often reflexed on upper side of branchlets, apex acute or obtuse

留下通常反折在小枝,先端锐尖的或钝的上面边上 21 Abies recurvata 紫果冷杉

Was higher than those of other altitudes. Rosaceae was the family with the richest species in the seed

和巴山冷杉的种子储量在中等海拔呈现峰值;较高海拔处,糙皮桦作为优势成分之一所占的比例较

The 20 metre boom in Sitka spruce was made in Viareggio.

亨利。斯宾塞根据1926年游艇航行性能最佳年代的数据重建了桅杆(道格拉斯冷杉,两部分,52米长)、固定索具和滑轮。20米长Sitka云杉下桁在维亚雷焦建造。

Parasites of Abies ; plants 0.5-4 cm tall; male perianth lobes subtriangular, ca.

寄生物冷杉;植株0.5-4厘米高;雄花花被裂片近三角形,约1.2毫米。

The company has been trading with the Canadian Pan-International Ltd, has become the exclusive authorized dealer, agent Products - Western Red Cedar / spruce pine fir / Tsuga - is a noble community, residential indispensable decorative natural wood preservative.

目前公司已与加拿大泛家贸易国际有限公司合作,成为了独家授权经销商,代理产品-西部红雪松(westernred cedar/云杉松木冷杉/铁杉-是高尚社区、住宅不可或缺的装饰用天然防腐木材。

The results showed that small-scale gaps were the predominant types of disturbance. The average gap density was 12.5 km^(-1). The distribution pattern of gaps was aggregated on south facing slopes and was approximately homogeneous on north facing slopes. Conifer trees were the primary gap-makers in this forest that was dominated by Abies faxoniana, Tsuga chinensis, Betida utilis, both in abundance and diameter rank. The decay class distribution of gap-makers indicated that the mode of gap formation and gap-maker species changed with age of the forest; the contribution of conifer species to gap formation decreased with time and broadleaf species increased.

结果表明:l本区以小型林隙干扰为主,林隙平均密度为12.5个km^(-1),林隙的分布格局在阳坡和山脊为集聚分布,阴坡近均匀分布;林隙形成木以针叶树为主,岷江冷杉、铁杉和糙皮桦在形成木的数量和径级组成上均居前列。2林隙形成木的腐烂等级分布揭示出林隙形成木的形成方式和种类组成均随时间变化。

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