deciduous species 中文意思是什麼

deciduous species 解釋
闊葉樹種
  • deciduous : adj. 1. 【動、植】(在某個生長期或季節)脫落的。2. 每年落葉的。3. 非永久的,暫時的。
  • 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. Many tropical species of broadleaved flowering plants are evergreen and their leaves are thicker and more leathery than those of deciduous trees

    許多熱帶的闊葉顯花植物是常綠的,它們的葉遠比落葉植物厚而且更為堅韌。
  2. Forests sometimes contain many tree species within a small area ( as in tropical rain and temperate deciduous forests ), or relatively few species over large areas ( e. g., taiga and arid montane coniferous forests )

    作為普遍規則,受被子植物支配的森林(闊葉林)比那些受裸子植物支配的森林(松樹或針葉林)物種豐富,雖然有例外存在(例如,種類匱乏的白楊和樺樹生長在北緯度地區) 。
  3. Utilization of tree species by forest birds during winter and summer in secondary deciduous woods

    次生闊葉林中某些鳥類對樹種利用的研究
  4. The vegetation types are described of baishanzu national nature reserve in qingyuan county, zhejiang province. the surveyed area covered25thousand hm 2 in which27sample plots with20m 20m each were selected. based on the importance value of plant species, six vegetation types were devided, viz. evergreen broadleaved forest, evergreen and deciduous broadleaved mixed forest, coniferous and broadleaved mixed forest, coniferous forest, mountain dwarf forest, and mountain shrub and herbosa. floristic composition, community structure, and trend of community succession of each vegetation type are described

    對近20年來多次調查的資料進行系統整理,將百山祖植被主要劃分成6個植被類型:常綠闊葉林、常綠落葉闊葉混交林、針闊葉混交林、針葉林、山地矮林和山地灌草叢,其下可分為22個群系;同時對群落的種類組成、結構和演替趨勢作了概述。
  5. To examine the distribution of vegetative storage proteins in woody plants, we sampled at random 70 tree species of tropical hardwoods in 64 genera of 18 families and 30 tree species and 1 variety of temperate deciduous hardwoods in 28 genera of 15 families. we further investigated more systematically the distribution, ultrastructure of vegetative storage proteins in rosaceae ( 17 species and 3 varieties in 12 genera ), leguminosae ( 10 species and 1 variety in 9 genera ) and meliaceae ( 16 species and 2 varieties in 12 genera ), identified many vegetative storage proteins and tested their irnmuno - relatedness in meliaceae and in other families

    在此基礎上,較廣泛地研究了營養貯藏蛋白質在18科64屬70種熱帶樹木和15科28屬30種2變種溫帶落葉樹木中的分佈,較系統地研究了營養貯藏蛋白質在薔薇科( 12屬17種3變種) 、豆科( 9屬10種1變種)和楝科( 12屬16種2變種)中的分佈、超微結構及其分離鑒定和糠科樹木營養貯藏蛋白質的免疫相關性。
  6. 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。
  7. In both evergreen and deciduous trees old leaves are continually shed throughout the growing season, but the remaining leaves are also shed at the onset of winter or a dry season in deciduous species

    在植物整個生長季內,常綠植物和落葉樹的老葉不斷脫落,落葉植物殘留的葉在冬季或乾季也會脫落。
  8. The species are the furthest abundant in mixed forest of evergreen broad leaf and deciduous broad leaf in middle altitude region ( from 500m to 1, 200m ) in two areas, followed by the mixed forest of coniferous leaf and broad leaf in middle altitude region ( from 1, 200m to 1, 600m ) of mangshan and the evergreen broad leaf forest in low altitude region ( under 500m ) of babaoshan. the biomass of the mollusca community is much bigger than any other areas and the superior species are quite apparent in low altitude region. the terrestrial mollusca are not discovered in high altitude region ( from 1, 600 to 1, 900 ) so far

    中海拔區( 500 1 , 200m )的常綠闊葉與落葉闊葉混交林帶陸生貝類物種最為豐富;次豐富的為莽山中海拔區( 1 , 200 1 , 600m )的針闊混交林帶和八寶山低海拔區( 500m以下)的常綠闊葉林帶;低海拔區( 500m以下)的常綠闊葉林帶陸生貝類的種群數量大,優勢種明顯;高海拔區( 1 , 600一1 , 900m )未發現陸生貝類。
  9. Link ( calycanthaceae ), is a deciduous shrub or small tree, and an endemic plant of china. compared with other species whose florescence is earlier than its, blooming in winter, c. praecox is special in its pollination time and process

    蠟梅chimonanthuspraecox ( l . ) link為蠟梅科calycanthaceae蠟梅屬植物,冬季開花,與絕大多數春季至秋季開花植物相比,其傳粉時間和過程具有一定的特殊性。
  10. Magnolia subgenus yulania, a deciduous tree found in temperate zones, is an important taxonomic group of magnoliaceae. there are in subgenus yulania twenty species, of which one grows in southeast america, three in japan, and most, however, in china widely cultivated in gardens and used as chinese medicine for about 2, 500 years

    本文利用rapd分子標記技術和人工雜交手段對玉蘭亞屬植物的系統關系和分類地位進行了研究,闡明了玉蘭亞屬15個種、 11個變異類型和4個品種、 1個人工雜交後代的種間親緣關系;探討了玉蘭亞屬與含笑屬和木蘭亞屬間的系統關系;發現一個新種,建立2個新組。
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