近群種 的英文怎麼說

中文拼音 [jìnqúnzhǒng]
近群種 英文
coenospecies
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 群 : Ⅰ名詞（聚在一起的人或物） crowd; group Ⅱ量詞（用於成群的人或物） group; herd; flock
  • 種 : 種名詞（姓氏） a surname
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標，採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。
  2. Across geographic gradients, levins expects allopatric races or coenospecies exist.

    穿過地理梯度，萊文斯預料有分佈區不重疊的小種或近群種。
  3. In recent years, the outbreak of nd appear some new characters, it is reported that the amount of immunity defeat on nd increased, even chicks with high hi titer can be infected by ndv virulent strain. the gene - engineering vaccine is badly needed to control nd outbreak. so newcastle disease virus strain b95, a naturally avirulent and heat stable strain, was introduced from australia

    新城疫是國際獸疫局公布的16種烈性傳染病之一。近年來，新城疫的爆發出現了許多新特點，免疫失敗報道增多，甚至抗體水平較高的雞群也發病。為控制新城疫的爆發，急需研製基因工程苗。
  4. Three types of cuticular thickening at the polar region of the guard cells are observed : slight cuticular thickening ; rod - shaped culicular thickening and rarely t - shaped thickening. with data obtained from the former research and personal observation, the cladistic methods were employed for the phylogenetic analysis of data and trees were rooted by out - group comparison using, the related genus kadsura. as result, a new system of the genus schisamdra michaux was reconstructed, and schisandra michaux was subdivided into 2 subgenus, 3 section, 2 series 10 species in this dissertation

    整理有關五味子屬植物研究的資料，補充搜集近期發表的資料和本人研究所得數據，以種為基本單元，選擇近緣的南五味子屬（ kadsura ）作為外類群，採用paup4 . 0b4a軟體對本研究得出的性狀數據作分支分析，重建五味子屬的系統發育，修訂和補充五味子屬分類系統，在五味子屬下設2亞屬、 3組、 2系、 10種。
  5. The nearest neighbors of each individual and the distances between each individual - neighbor pair in elaeagnus mollis communities were obtained by using the nearest neighbor ' s analysis. based on the primary results above, the spatial pattern and interspecific segregation in the communities were studied by x2 test with a subtable method of a n n nearest - neighbor contingency table

    應用最近鄰體法判定每個個體的最近鄰體植株，得到每個基株-最近鄰體種對的距離，進而採用n n最近鄰體列聯表的截表法，研究了翅果油數群落的種間分離。
  6. But the recent discovery of detailed similarities in the skeletal structure of the flippers in all three groups undermines the attempt to explain away superficial resemblance as due to convergent evolution ? the independent development of similarities between unrelated groups in response to similar environmental pressures

    但是，最近的發現，這三種動物的鰭足的骨骼結構都有詳細的類似之處，這個發現削弱了下文的企圖，即把表面上的類似解釋為趨同進化的結果? ?是指類似結構的獨立發展，在不相關的種群之間，對于類似的環境壓力的反應。
  7. Endodeme is a deme composed of predominantly closely inbreeding but dioecious individuals.

    同系同群種是由近親繁育占優勢，但雌雄異株的個體組成的同群種。
  8. Most communities into which we introduce entomophagous species are near species saturation.

    我們引起食蟲種的大多數群落已接近飽和。
  9. The animal belongs to an ancient group of mammals called plesiadapiforms, small creatures that scientists recently thought were closely related to modern nonprimates called flying lemurs

    這種動物屬於一個古老的哺乳動物種群- plesiadapiform ，科學家認為這種小型動物與現代的飛行狐猴很親近
  10. A breeding programme must provide for a continual infusion of new genetic material into the population to avoid in-breeding.

    一項育種計劃，必須為把新的遺傳種質不斷地滲進育種種群提供條件，以避免近交。
  11. Therefore, issr molecular markers are more suited than rapd molecular markers when testing the genetic diversity of ginkgo populations and determining the genetic relationship of among populations or among individuals which are much similar hereditarily

    因此，在研究親緣關系非常近的銀杏物種的遺傳多樣性並試圖確定群體間或個體間的遺傳關系時， issr分子標記技術比rapd分子標記技術更為合適。
  12. About 60 species from south east asia to the pacific region. very small quantities imported, and only a piece or teo mixed in one vessel from solomon, irian jaya and west kalimantan. though named boxwood, quite different from japanese box wood

    近60種?分佈區域由東南亞至大洋洲?少量進口?主要多由索羅門群島、伊里安島及西加里曼丹進口?該樹種雖稱之為黃楊木?淡實際上與其他黃楊木截然不同。
  13. About 80 species from the tropics to the temperate zone, and also in south east asia and the pacific region. in japan c. sinennas of the same genus being ring porous wood, while those from the tropics diffuse porous, wood much imported from papua new guinea, solomon and irian jaya, and a little from other areas

    近80種?分佈區域由熱帶至溫帶?亦分佈在東南亞及大洋洲一帶?主要由巴布亞新幾內亞、索羅門群島及伊里安地區進口?即份由其他地區進口。
  14. In the present study, eighty - one species of suborder flabellifera are found and described, of which 13 are new species and the other 29 species are recorded for the first time from chinese waters. key to chinese families and genera are provided. discussion on taxonomic problems is given and brief notes of the distribution are provided

    本文以傳統的形態分類為主，結合現代分類學的手段和方法解決近似種、疑難種的準確鑒定問題，搞清中國的屬種及分類上存在的錯誤和混淆，並結合已有的此類群研究結果，進行地理區系的比較。
  15. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明，建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種，其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等，其種子庫密度在早期以近幾何級數的方式增長，元江栲、銀木荷種子庫小，存在時間短，翌年無一年生萌發苗;種子庫數量動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  16. Even more serious is the fact that some leading comrades are unwilling to come into contact with the masses and are unconcerned about the people ' s welfare ; instead of trying to solve the problems for which the masses want an immediate solution, they remain aloof and indifferent

    更嚴重的是有些領導同志，不願意接近群眾，不關心群眾的痛癢，對于群眾要求迫切解決的問題，不是積極地去解決，而是抱著一種無動於衷的冷淡態度。
  17. In summary, the exotic species can affect native bird species in four main ways, 1 ) predation of birds or eggs by the exotic mammals ; 2 ) competition for habitats and foods with exotic birds, and loss of genetic diversity by hybridization with the closely - related exotic species ; 3 ) direct and indirect alterations of native habitats and food resources, and predation by the exotic invertebrates ; and 4 ) loss and fragmentation of habitats for native birds through altering species composition and structure of native plant communities by exotic plants

    外來生物對鳥類的影響主要表現在以下幾方面： （ 1 ）外來哺乳動物對成鳥、幼鳥或鳥卵的捕食作用； （ 2 ）外來鳥類與本地鳥類競爭棲息地和食物資源，與當地的近緣種雜交而造成基因流失； （ 3 ）外來無脊椎動物改變本地鳥類的棲息環境和食物狀況，甚至直接捕食本地鳥類； （ 4 ）外來植物入侵改變入侵地的植物群落組成和結構，造成本地鳥類的棲息地喪失或破碎化，並通過改變入侵地生態系統的食物鏈結構而對高營養級的鳥類產生影響。
  18. About 150 species in the tropics of the world, and most abundant in tropical america. very small quantities imported mixing among logs from papua new guinea and solomon

    近150種?分佈於全世界熱帶雨林區?在熱帶中南美洲是原木畜積量最豐富的樹種。主要由巴布亞新幾內亞及索羅門群島進口?常混雜在其他種原木中?進口量不大。
  19. Using un - weighted pair - group method, the population living in similar ecological conditions and with close geographical distance clustered first

    聚類分析表明，相似的生態條件及直線地理距離較近的種群具有優先聚類的趨勢。
  20. 10 similar species in formosa, tropical asia, new guinea and samoa. well kown in taiwan and large quantities imported mainly from papua new guinea, solomon and sulawesi ( investigated by ancc in 1978, 1979 )

    近10種?分佈於亞洲熱帶雨林如新幾內亞與沙摩亞群島?主要由巴布新幾內亞?索羅門群島與新拉威西進口?進口數量相當龐大。
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