落葉樹種 的英文怎麼說
中文拼音 [làyèshùzhǒng]
落葉樹種
英文
deciduous species-
Study on the species diversity of plant community and coniferous bark beetles community diversity in niubeiliang nature reserve
牛背梁自然保護區植物群落和針葉樹小蠹蟲群落物種多樣性研究Hongxing forestry is rich in natural resources, it has 15. 5million cubic meters of active timber reserves, in addition, it has more than one hundred kinds of trees such as korean pine, larch dragon spruce, fir, birch, oak and manchurian ash, etc, gold and iron, etc, many kinds of metal mines, such as abound in free burning coal, marble and limestone deposits ; hundreds of wild medicine materials with developing prosperity, such as acanthopanax, fruit of chinese magnoliavine and dangshen, etc
紅星區自然資源相當豐富,活立木總蓄積1550萬立方米,有紅松、落葉松、雲冷杉、樺木、曲柳等百余種樹木;黃金、鐵等多種金屬礦,長焰煤炭、大理石、石灰石等儲量豐富,礦質優良;刺五加、五味子、黨參等幾百種野生藥材頗有開發前景。Ii ) some native spcies, eg. crateagus wilsonii, cerasus szechuanica, malus prati, toxicodendron verniciflua, are dominants and co - edificators in almost every woody communities
2 )華中山楂、四川櫻桃、川滇海棠、漆樹等鄉土樹種在幾乎所有木本群落階段(針葉純林除外)都是優勢種或共建種。The close canopy of fragmental evergreen broadleaved forest community is less than the one of continuous evergreen broadleaved forest, and the plant species of fragmental evergreen broadleaved forest community are also less than those of continuous evergreen broadleaved forest, and there are some conifers in the fragmental evergreen broadleaved forests
群落郁閉度不如連續森林大,植物種類也不如連續森林豐富,而且其中夾雜著一些針葉樹。常綠成分種類組成不如連續森林豐富,針葉成分數量上較連續森林的多。The community composed of elaeagnus mollis as the constructive species is one of the typical vegetation types in the hills and lower - mountains of southern of shanxi
以翅果油樹為建群種形成的群落,是山西南部暖溫帶落葉闊葉林地帶低山丘陵區的代表植被類型之一。This paper investigated the fungus flora of 8 main tree species, which are pinus tabulaeformis, larix principis - rupprechtii mayr, betula platyphylla suk, ostryopsis davidiana decne, ulmus pumila l., quercus liaotungensis koidz, populus davidiana dode, prunus ansu, in daqingshan mountain
大青山地區環境惡劣、植被破壞嚴重,利用菌根生物技術實現植被恢復是一個重要方向。本文對大青山8個主要樹種,即:油松、落葉松、白樺、虎榛子、榆樹、遼東櫟、山杏菌根資源及生態進行了調查。Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession
對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明,川灰木利用資源的能力最強、分佈廣,為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化,分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展,導致環境的改變不適于其幼齡個體的生長,群落演替到針闊葉混交林階段,最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力,是種群分佈與群落演替的內在原因,光因子和營養元素(如n )是群落演替的主要外部動力The results of the 2 - yrs investigation in 1993 and 1994 show that significant phenological phases occurred in various months, and are listed as follows : budding and leafing phase was from march to april ; flower appearing phase in april ; peak leafing phase from april to may ; flowering phase from april to june ; fruiting phase from july to october ; and leaf falling phase for deciduous trees was from october to the following february
以1993年和1994年兩年間的調查結果顯示,在福山地區明顯的物候現象發生的月份如下: 3月和4月為抽芽展葉, 4月為花出現, 4月和5月為展葉盛期, 4 6月為開花期, 7 10月為著果期, 10月至次年2月為落葉樹種之落葉期。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。Age structure of main tree species in community of tilia broadleaf korean pine forest on northern slope of changbai mountains
長白山北坡椴樹闊葉紅松林群落主要樹種的年齡結構研究From ancient times up till now mount tai has been regarded as the resting place of the human spirits by the chinese people, and a concept has been thus formed that all spirits souls ought to go back to mount tai for a peaceful rest, which has exerted an far reaching influence on the chinese culture and derived the patriotism - the national spirit
「魂歸泰山」的民俗信仰。自古至今,中國人一直視泰山為精神靈魂的故鄉,由此產生了對中國文化影響至為深遠的一種「樹高千丈,落葉歸根」的「魂歸泰山」的觀念。它經過世世代代的陶冶和提煉,終于積淀出高尚的民族精神愛國主義精神。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。Non - dormancy culture is a cultural model, which prevents the onset of dormancy of deciduous fruit trees with dormant nature and promotes the next growth cycle to commence
摘要無休眠栽培是指利用一定的措施使具有休眠特性的落葉果樹避開休眠繼續生長,進而開花結果的一種栽培模式。The protein accumulated mainly in secondary phloem parenchyma cells and secondary phloem ray cells. the degradation of storage protein in terminal branchlets of swietenia macrophylla synchronized with new shoot growth after leaf - absent period, suggesting that the protein was utilized to support the growth of new shoots. when the diminishing of the storage protein below the girdled site was blocked, the new shoot growth was also restrained
在樹木新的年生長周期中,隨著新梢的發育,積累在末端小枝中的貯藏蛋白質開始被消耗新梢葉片成熟時,末端小枝中的18kda和21kda蛋白質己完全消失,而樹乾和大根中的這兩種蛋白質的含量相對穩定,與落葉期相比幾乎沒有變化。Deciduous cypress trees come from the southern united states, growing to 45 metres in height with a girth to 3. 5
落羽松是一種由美國南部傳入的落葉喬木,生長高達45米而具有3 . 5米的樹圍。Larix olgensis is main afforestation species in the northeastern china
落葉松( larixolgensis )是我國東北地區主要的造林樹種。Thinning stands with the thinning intensity of about 20 % and 30 % had no significant effects on species diversity, biomass of shrub and herb, and physical properties of soil
各林分的樹種組成在12年間基本沒有發生變化,即間伐沒有顯著地改變林分的樹種組成,目前的樹種組成即落葉松、其他針葉樹(雲杉、冷杉和紅松)和闊葉樹組成比約為6 : 3 : 1可能是相對穩定的群落。The species diversity of the forest in this area is richer than in other secondary forests in the same region, which reveals that the community was disturbed moderately before
野外調查結果表明,該群落的組成與結構比較復雜,群落的區系組成以落葉闊葉樹種為主,顯示出由中亞熱帶向北亞熱帶過渡性植被地段次生群落的特徵。Into the stagnant swamps fall dead limbs, trunks, leaves and spores, soon to be water-logged and to sink.
枯萎的樹枝、樹干、樹葉和孢子落進這種停滯的沼澤里很快就飽含水分向下沉降。Experimental plots were established for thinning effects on stand and tree growth, tree species composition, species diversity and soil factors etc. in the mixed larch - spruce - fir stands which originated from planted larch pure forest by observations for 12 years after thinning
摘要以15塊人工落葉松純林演化后形成的落葉松雲冷杉混交林為對象,間伐后12年觀測結果,研究間伐對林分和樹木生長、樹種組成、物種多樣性及土壤等因子的影響。分享友人