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Root length density of Abies fabri, whose root system is horizontal, decreased exponentially with increasing of soil depth.

峨眉冷杉属于水平根系树种,其根长密度随土层深度的增加呈指数递减。

In this paper, the foliar δ^13C and leaf mass per unit area in Abies georgei var.

以青藏高原东南部亚高山暗针叶林的主要组成树种急尖长苞冷杉Abies georgei var。

Average DBH of scent mark trees was 37.2±17.8cm, 22 (92%) trees were Abies fargesii var.

嗅味树的平均胸径为37.2±17.8cm(N=24),其中92%为岷江冷杉Abies fargesii var。

Cytological studies show that the incompatibility of interspecific hybridization of Abies is mainly due to the abort of embryos or ovules.

布朗决定取消11月举行全国大选的计划,9。杂种胚阶段胚或胚珠的败育是冷杉种间杂交不成功的主要原因。

Around 30 ka, taiga of dominant Picea coexisted with Larix, Pinus and Abies was distributed in both islands under relatively colder and drier climate than at present.

两个岛上3万年前后以云杉与落叶松共生的森林为主,松和冷杉出现在比现代相对较冷和干的气候条件下。

Seasonal dynamics of leaf transpiration rate of Abies fabri also belongs to uni-peak-type.

该暗针叶林系统主要树种峨眉冷杉叶片蒸腾速率的季节变化亦呈单峰型。

It is distributed only in Yuanbaoshan mountain in northern Guangxi. Abies yuanbaoshanensis having survived the Quaternary Period Ice-age is significant not only to studying the occurrence and evolution of the Chinese ancient south plant flora but also to the ancient climate and geography.

元宝山冷杉是第四纪冰期幸存下来的濒危物种,在广西的发现,对于研究我国南方古代植物区系的发生和演变,以及古气候、古地理有重要意义,特别是对第四纪冰期气候的探讨有学术价值,它是研究气候变化和植物变迁的依据,是活化石。

The basal diameter growth in the first 10 years of Pinus koraiensis and Abies alba increased during recent 100 years, especially during recent 70 years. But for Abies alba seedlings, there was no this trend.

6红松和冷杉幼树地径最初10年生长量在近100年来有所增加,其中在近70年来增加更明显,云杉幼树没有这种趋势。

Tibet ; Abies georgei var.smithii virgin forest ; Distribution pattern of precipitation

西藏;冷杉原始森林;降水分配格局

Chinese medicinal herbs cultivation reached more than 20 kinds of types, there are schisandrin, ginseng, asarum, gentian, Campanulaceae, and keel and so on, the fruit tree seed red pine, walnut, hazelnut, etc., seedlings are green seedlings spruce, fir , Pinus sylvestris, birch, such as Acer mono.

中药材种植种类达二十多种,有五味子、人参、细辛、龙胆草、桔梗、地龙骨等,林木种子果实有红松籽、核桃、榛子等,苗木有绿化苗木云杉、冷杉、樟子松、桦树、色木槭等。

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