種群 的英文怎麼說

中文拼音 [zhǒngqún]
種群 英文
population種群平衡 population balance; 種群生態學 genecology; 種群調節 population regulation
  • 種 : 種名詞（姓氏） a surname
  • 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
  1. In the present study, aflp ( amplified fragment length polymorphism ) markers was used to examine population of abies yuanbaoshanensis in order to understand the level of population genetic variation and genetic structure. the result would help to evaluate its evolutionary potentiality and the degree of being endangered and could provide scientific basis for making right protection strategy. high - quality dna was extracted using ctab method from those tender leaves of forty - three fully - developed trees in population abies yuanbaoshanensis

    本研究選用一種高效的檢測遺傳變異的分子標記? ? aflp技術來分析元寶山冷杉種群的遺傳多樣性，旨在了解該種群在分佈區內的遺傳變異水平和遺傳結構情況；研究結果將有助於更清楚地認識這一瀕危類群的生存潛力和瀕危程度，而且可以為制定何種挽救和保護措施提供科學的依據。
  2. There are five natural sample zones of adiantum reniforme l. var. sinense y. x. lin investigated, and recorded 34 species. 10 dominant species were used to calculate the niche width of populations and the niche overlap interpopulations

    調查了5個自然樣地，記錄了34個伴生種，取10個優勢種進行種群生態位寬度與生態位重疊的計算。
  3. Agreement in grammatical gender between a generic name and latin or latinized adjectival or participial species - group names combined with it originally or subsequently

    是指一個屬名和原來或后來相與組合的拉丁文或拉丁化形容詞或分詞性的種群名稱之間的文法性屬的一致。
  4. The frequency of albinism gene in the andrias davidianus population in the giant salamander hole in xingwen county, sichuan province

    四川省興文縣大鯢洞的大鯢種群中白化基因的頻率
  5. Under mixed culturing conditions, it was observed that bacterial number rapidly incre ; ised soon after the lysing of host cells. on the contrary, while the non - host cyanobacterium ( i. e. anabaena flos - aquae ) was incubated in the mix culturing system, the breeding of the bacteria could be inhibited. it may be suggested from the result above that cyanophage could bring about the changes in microorganism populations

    調查結果顯示， 19個採集的水樣中有6個含有裂解織線藻的噬藻體，而且水樣未經濃縮即能裂解宿主，說明噬藻體在淡水中分佈較廣泛，裂解性也較強；混合培養條件下的研究結果表明，噬藻體裂解宿主后，細菌數量快速增加，而當培養系統中有非宿主藻類存在時，細菌的增殖則受到非宿主藻的抑制，說明噬藻體可以顯著改變系統中微生物的種群結構。
  6. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。
  7. The perennial vegetation is expected to a. ordosica dominated and h. scoparium stably co - existed, together with an annual plant population of e. poaeoides and b. dasyphylla, which is greatly fluctuated with annual precipitation pattern

    其將與因年際間降水量及其分佈差異引起的種群密度等特徵波動的一年生草本小畫眉草和霧冰藜種群長期共存。
  8. The reproductive characteristics and population structure of artemisia ordosica, hedysantm scoparium, caragana korshinskii and the reproductive characteristics of annual plants eragrostis poaeoides and bassia dasyphylla were observed in shapotou artificial revegetation area. stability of the artificial vegetation was appraised from the views of its persistence and variability under local natural condition. the study showed that : the artificial - natural vegetation built with sandbreaks and plants is stable in shapotou area

    通過對沙坡頭人工固沙植被區主要建植種群檸條（ caraganakorshinskii ） 、花棒（ hedysarumscoparium ）和油蒿（ artemisiaordosica ）的繁殖特性及種群結構的研究，以及自然侵入的一年生草本植物小畫眉草（ eragrostispoaeoides ）和霧冰藜（ bassiadasyphylla ）繁殖特性的研究，探討了在植被的持久性和變異性，分析評價了主要受惡劣環境壓力下的人工固沙區植被的穩定性。
  9. The influence of temperature and host plants on the experimental population of aphis gossypii glover

    溫度和寄主植物對瓜蚜實驗種群增長的影響
  10. A compound word consisting of a noun combined with another noun or modifying adjective, the compound being treated as a noun in apposition ; if the adjective is the final element in a species - group name, its ending is determined by the gender of the noun it modifies ( and not by that of the generic name with which the species - group name is combined )

    一個名詞與另一名詞或修飾性形容詞組成的復合字，這種復合字以同位名詞對待;如果該形容詞為一個種群名稱的最後部份，其結尾由所修飾的名詞的性屬來決定（並非由與該種群名稱相組合的屬名的性屬來決定） 。
  11. Earthworm populations in arable soils in the united states may be destroyed by frost.

    在美國可耕地中蚯蚓的種群會被冰凍所毀壞。
  12. A rabbit was infected with a cloned yntatl, blood was collecting from from the rabbit every 3 days after infection within 30 days, 10 clonal trypanosome populations were gotten, infecting a new rabbit by the last non - cloned trypanosome population. repeated above all, thus infected 5 rabbits sequentially. twenty different vats ( variant antigen type ) were monitored and characterized from those fifty mono - clonal populations by indirect immunofluorescence test ( ift ) and avidin biotin enzyme immunoassay ( abc - eia )

    用伊氏錐蟲雲南水牛單克隆株yntat1感染兔，感染后30天內，每3天從兔血中分離錐蟲並單蟲克隆，最後一個未單蟲克隆的蟲株感染另一隻兔，重復以上操作，這樣順序感染5隻兔子，共獲得50個單克隆錐蟲種群（ tp ） ，經間接免疫熒光和abc酶標試驗鑒定共為20個抗原性互不相同的抗原變異體（ vats ） 。
  13. Monitoring the whole avifauna ( community ) both in breeding season and non - breeding season. individual and population are good indicators of environment pollution, and there are still some questions about the guild monitoring and community monitoring. finally, we surveyed bird species and relative abundance in three areas of the upper reaches of minjiang river during both summer and autumn

    普遍意義上的用鳥類監測環境主要包括： 1監測某一種的繁殖期和非繁殖期（冬季）種群； 2監測不同種的種群動態； 3監測整個鳥類區系的種群動態和群落動態，也就是（ 1 ）種群及個體； （ 2 ）種團； （ 3 ）群落三個層次。
  14. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  15. The growth dynamics of tree basal area of form. taxus chinensis var. mairei population in different altitude were discussed using the liu - logistic model, and the results showed that the altutide of 790 meters is more suitable to the survive of form. toms chinensis var. mairei population than 990 meters. plot sampling was selected and dynamic analysis was used to study the height structure of taxus chinensis var. mairei population, and the quadrate picture of height structure and the curve of survival rate were drew

    運用改進模型對南方紅豆杉種群在不同海拔梯度的種群優勢度增長進行了探討，表明海拔790m處的南方紅豆杉具有較大的環境容納量，但增長速度不快，海拔990m處的南方紅豆杉種群環境容納量不高，但具有較大的增長速度，這可能與群落的發育階段不同有關，兩地海拔均為南方紅豆杉適宜的生長海拔高度，相比而言，海拔790m的珍稀瀕危植物南方紅豆杉種群數量特徵的研究高度更宜於南方紅豆杉種群的生長。
  16. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。
  17. Robustness of our results was confirmed by high bootstrap support of all nodes in the trees. this result contradicts the batrachia hypothesis ( a salamander + frog grouping ), and is consistent with bolt ' s hypothesis ( 1991 ) basing on the morphological data. the result was also supported by previous molecular studies based on mitochondrial and nuclear rrna data

    這個結果與蛙類假說是相矛盾的，與bolt （ 1991 ）中國澤蛙線粒體基因組結構及種群系統地理學研究在形態學基礎上提出的絨蝶類和蚓螺類為姐妹群關系的假說相一致，並得到建立在線粒體和核trna基因數據基礎上的許多分子研究的支持。
  18. Benthic aquatic population

    底棲水生種群
  19. So the general distribution patterns of s. tsinyunensis are clumped type with a high clumped intensity. the diffusing tendency high consistency with the mathematics mode, i. e., the theoretic modes of the negative binominal distribution and poisson distribution

    在所調查的8個群落樣線上，地上植株數量最少的有33株（種群v ） ，最多的有442株（種群111 ） ，平均株間距最小為1
  20. The competition among those species like s. tsinyunensis, dryopteris erythrosora and veronicastrum stenostachyum etc., is intense in the communities, which may be one of the reasons why s. tsinyunensis is going to be endangered and with a very restricted distribution. the distribution patterns of the seven populations of s. tsinyunensis are clumped among the eight populations we studied, except population v of random distribution. the spatial pattern of 6 populations of s. tsinyunensis have high consistency with the negative binominal distribution, while another 2 populations, i. e., i and iii are poisson distributions

    6 ）縉雲黃芩各種群空間分佈格局基本呈聚集分佈，其中7個種群的分佈格局類型是聚集分佈，其聚集強度較高，另有一個種群為隨機分佈；其種群的離散分佈擬合結果也嚴格符合一定的數學模式，其中負二項分佈、 poisson分佈分別是該物種種群空間分佈的理論分佈模式，其中6個種群擬合出的結果是負二項分佈，種群i和種群m擬合出的結果是poisson分佈。
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