針葉樹種 的英文怎麼說

中文拼音 [zhēnyèshùzhǒng]
針葉樹種 英文
coniferous species
  • 針 : Ⅰ名詞1 （縫衣物用的工具） needle 2 （細長像針的東西） needle like things 3 （針劑） injection; sh...
  • 樹 : Ⅰ名詞1 （木本植物的通稱） tree 2 （姓氏） a surname Ⅱ動詞1 （種植; 栽培） plant; cultivate 2 （樹...
  • 種 : 種名詞（姓氏） a surname
  • 針葉 : needle針葉樹 [植物學] coniferous tree; conifer; cone bearer; 針葉樹林 coniferous forest; aciculis...
  • 樹種 : 1. （樹木的種類） varieties of trees2. （樹木的種子） seeds of trees
  1. 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
  2. Several other conifers produce small male catkins.

    其它幾種針葉樹產生小雄花序。
  3. In conifer orchards new stumps should be removed.

    在針葉樹的種子園，新的伐樁應予除掉。
  4. A variety of conifers and hardwoods makes up the bulk of the vegetation.

    大部分植被由各種針葉樹類和闊葉樹類構成。
  5. Genetic testing technique on major coniferous trees for afforestation in china

    主要針葉造林樹種優樹子代遺傳測定技術
  6. Curtilage plant diversity at the household level in shuangqiao village

    4種針葉樹種引種試驗
  7. Liihe palynological data indicate a vertical paleovegetational landscape : evergreen broad - leaved forest dominated by castanopsis, lithocarpus, cycobalanopsis and anacardiaceae etc occurred on the slopes near the deposit site ; mixed coniferous / broad - leaved forest and coniferous forest occurred on the area of high elevation, and main elements were tsuga, podocarpus, pinus, picea and abies etc. seven paleoclimatic parameters of liihe area estimated include mat ( 13. 3 - 20. 9c ), wmt ( 22. 5 - 27. 5c ), cmt ( 2. 5 - 12. 6c ), dt ( 12. 1 - 24. 8c ), map ( 803. 6 - 1254. 7mm ), mmap ( 179. 4 - 281. 9mm ) and mmip ( 10. 2 - l8. 5mm ). yangyi palynoflora comprises of 52 palynomorphs belonging to 32 families. the percentage of angiosperms is 61. 5 %, gymnosperms 9. 6 %, pteridophytes 25. 0 %, algae 3. 9 %

    呂合孢粉植物群的組成反映該地區在沉積時期植被具有垂直分帶特徵，沉積地附近分佈有常綠闊葉林，包括殼斗科的青岡屬、栲屬、石櫟屬和漆樹科等植物，以及多種亞熱帶和溫帶闊葉成分；林中混生少量針葉樹（如松屬和杉科等） ；林內蕨類植物較少；距沉積地較遠的海拔較高的地區分佈由鐵杉屬、冷杉屬、雪松屬和雲杉屬組成的針闊混交林或針葉林。
  8. The techniques used in selection of superior trees from major coniferous species for silviculture

    主要針葉造林樹種優樹選擇技術
  9. Preliminary report on silviculture experiment of four species at karst mountainous area of southeast yunnan

    滇東南巖溶山區4個針闊葉樹種造林試驗初報
  10. 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） 。
  11. 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。
  12. 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。
  13. 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
  14. Technique on establishment and management of seed orchards for major coniferous species

    主要針葉造林樹種種子園營建技術
  15. 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。
  16. Research on photosynthesis characteristics of hippophae rhamnoides

    兩種針葉樹種光合特性研究
  17. With many efforts, the scientists of china have succeeded in researching the plant rapid propagation of many kinds, yet only about ten kinds of economic plants have been industrialized and spread over an extensive area, though in a low speed

    而針葉樹種有許多植物品種進行組織培養難度很大，基本上不能大規模生產。常規拖插又存在著生根慢、成活率低。致使這些品種的苗木一直在用用種子繁殖，後代性狀變異非常大。
  18. Nutrilite ' s continued crop improvement has led to identification and selection of acerola trees that produce more fruit, higher in vitamin c and more resistant to damaging environmental factors

    38健爾力不斷努力改善耕種技術，現已能辨認及挑選出果實更多、維他命c含量更高及抵抗有害環境能力更強的針葉櫻桃樹。
  19. Chinese evergreen conifer discovered in 1955 ; not yet cultivated elsewhere

    1955年發現的一種常綠針葉樹；中國的特有種。
  20. Dynamics of soil no3 - - n and its response to n additions in the major forests ( pine, mixed and monsoon evergreen broadleaf forests ) of dinghushan biosphere reserve were studied by using ion - exchange resin bags method

    用離子交換樹脂袋法，研究了鼎湖山三種森林（馬尾松林、馬尾松針葉闊葉混交林和季風常綠闊葉林）土壤硝態氮對外加氮的響應特徵。
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