杜仲樹 的英文怎麼說
中文拼音 [dùzhòngshù]
杜仲樹
英文
gutta percha tree-
The reasonable model of exploiting and utilizing to the plant resources is put forward, which should be mainly protected. all kinds of communities are analyzed. the aubor ' s average height of karst evergreen - deciduous forest is 6. 88m. theuper arbor ' s average height is 13. 07m. the highest one reaches 25m. the community cover ratio is over 90 %, only few gaps existnatural convalescence forest is inferior to karst evergreen - deciduous forest in the restoration degree. there are a few tall arbor in the community. the height of alpine shrubs forest is 1. 00 to 2. 00m. there is no dominant species. the average height of karst shrubs forest is 0. 97m. the rhus chinensi s, desmodium racemosum and golochidion pubrum are the dominant species
以觀賞及綠化樹種、用材樹種和藥用植物等歸類對洛塔植物資源作出了評價，觀賞植物主要有：玉趼、百合、繡球花等；用材樹種有大葉櫸、香果樹、光灰楸等；藥用植物有南方紅豆杉、杜仲等，並提出了對植物資源以保護為主的合理開發利用模式。分析各類型植物群落的保護年齡，地質與土壤背景以及群落基本結構和特徵，喀斯特常綠落葉林喬木層平均高度為6 . 88m ，上層喬木平均高13 . 07m ，最高可達25m ，群落郁蔽度達90以上。
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