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植物区系

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The floristic features and geographical distribution of the Alismataceae flora in Hubei.

标题 湖北泽泻科植物的区系特点和地理分布。

Asian (47.4%) and temperate genera mainly constituted by North temperate (50%) and E. Asian (50%). So that the geographical elements are discomplex. In the 25 species of arborous layer, 76% is the middle subtropical zonal type, 16% south subtropical zonal type and 8% north subtropical zonal type, of which the first 6 positions of important value index were all middle subtropical zonal type. This showed that the community was subtropical characteristic. There are 59.5% evergreen and 40.5% deblade of 79 known species in which the mid-phaenerophytes is the first position of all, accounting for 27.8%, and the evergreen broad-leaved species constituted the majority of meso-phaenerophytes which accounts for 15.2%.

乔木层多数优势种为稳定型种群,所以乔木层优势区系成分相当稳定,表明该群落为一种顶极群落。59个种子植物属只有10个分布区类型和4个变型,地理成分不复杂,其中热带分布27属占46.6%,温带分布31属占53.4%;热带分布以泛热带和热带亚洲分布为主,分别占52.6%和47.4%,温带分布为北温带和东亚分布各占50%。25个乔木层树种中,中亚热带地理分布类型的占76%,南亚热带地理分布类型的占16%,北亚热带地理分布类型占8%,重要值指数排列前6名的均为中亚热带地理分布类型,所以该群落为亚热带性质。

Based on Weed Flora of China, this paper analyzed the character of the areal types on seed weeds in China.

在《中国杂草志》记载的基础上,分析了中国种子植物杂草科和属的区系特征。

Study on the geographical distribution and floristic geography of Fagaceae flora in Yunnan Province.

Title 云南壳斗科植物的地理分布及区系地理的研究。

Study on the geographical distribution and floristic geography of Fagaceae flora in Yunnan Province.

标题 云南壳斗科植物的地理分布及区系地理的研究。

This paper deals with the floristic components, climbing habit s,and ornamental characteristics of woody climbers in Shandong province of China.

本文研究了山东省木本攀援植物的区系组成、攀援习性和观赏特性,以及它们在垂直绿化中的应用。

It kept the floristic nature of plateau and alpine.

所以植物保持了其高原、高山类型的区系性质。

He geographical distribution and floristic features of the orchid flora in the Mt.

itle 峨眉山兰科植物的地理分布和区系特点。

The floristic characteristics and geographical distribution of the Rosaceae in Xizang.

西藏蔷薇科植物的区系特点和地理分布。

The geographical distribution and floristic features of the orchids in the Wolong Nature Conservation Area.

四川卧龙自然保护区兰科植物的地理分布和区系特点。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。