arbor species 中文意思是什麼

arbor species 解釋
喬木樹種
  • arbor : n. 【機械工程】軸；（機床的）心軸，刀軸。n. （pl. arbores ） 樹木，喬木。n. 〈美國〉 ＝ arbour.
  • species : n. 〈sing. , pl. 〉1. 種類；【生物學】（物）種。2. 【邏輯學】種。3. 【原子能】核素。4. 【法律】形式。5. 【宗教】聖餐物。
  1. Species diversity and arbor population distribution pattern of ulmus pumila l scattered grassland of horqin sand

    科爾沁沙地榆樹疏林草地物種多樣性及喬木種群空間格局
  2. 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。
  3. Investigation on main wild vegetable resources in hefei area indicated that there were more than 70 species wild vegetables including herbaceous annual, herbaceous perennical, arbor and arboret, which could be developed to the use for food

    摘要通過調查合肥地區野生蔬菜的資源，發現有開發利用價值的野生蔬菜70餘種，其中菊科居多。
  4. The optimized pattern of this kind of green spaces is : the layer of arbors has the coverage higher than 80 % with species grow fast and has strong resistance against air pollutions. the layer of shrubs has the coverage around 50 - 60 %, giving property to evergreen species, sprinkled with flower shrubs to enrich the aesthetic benefits. ( 3 ) tall arbori - small arbor + shrub pattern has the best ecological benefits among the four typical configuration patterns of the gardens in tindustrial district with the evaluation result of 0. 8520 while lawn pattern at the latest with the result of 0. 4014 ; tall arbor + small arbor + shrub pattern has the best aesthetic benefits with the result of 0. 9620 while lawn pattern at the latest with the result of 0. 7071 ; shrub + lawn pattern has the lowest investment of construction and maintenan

    （ 4 ）生活區綠地的四種典型配置模式灌木十草坪、喬木、草坪和喬木十大灌木+草坪中，喬木模式生態效益最佳，結果為0 . 7019 ，草坪模式生態效益最差，結果為， 0 . 3108 :美學效益以喬木+大灌木+草坪模式最佳，結果為0 . 9437 ，喬木模式最低，結果為0 . 7640 ;經濟投入以喬木模式最低，評價最高，達到1 . 000 ，喬木+大灌木十草坪模式最高，評價值最低，僅達到0 . 080 ;綜合效益以大喬模式最佳，結果為0 . 7619 ，草坪模式最低，結果為0 . 4659 。
  5. Compared to non - tourist areas, in recreational areas, the number of plant species and coverage of vegetation in arbor layer and shrub layer decreased and the composition and community structure of vegetation trended to be simple. at the same time, regeneration of vegetation were suppressed

    景點活動區與背景區相比：喬木層、灌木層植物種數及蓋度減少，群落組成及結構趨向簡單化，更新受抑，草坪生物量、高度、蓋度明顯受到沖擊。
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