物種種群 的英文怎麼說

中文拼音 [wùzhǒngzhǒngqún]
物種種群 英文
species population
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 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
  • 種種 : all sorts of; all kinds of; a variety of
  1. 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。
  2. 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 ） 。
  3. 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。
  4. 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
  5. A group of organisms having common ancestors and certain distinguishable characteristics, especially a group within a species developed by artificial selection and maintained by controlled propagation

    屬一群擁有共同祖先和明顯特徵的有機體，尤指屬于同一物種的一群，通過人工選擇來發展，通過有控制的繁殖來維持
  6. 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
  7. 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。
  8. 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。
  9. 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。
  10. 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。
  11. Facies of species are often connected with extreme or disturbed habitats.

    植物種的群常與嚴酷或干擾的生境有聯系。
  12. And the populations of p. cicutarrifolia exhibit clumped distribution in zhejiang, hubei, jiangxi, anhui etc. furthermore, the population size is small, and its number is scare, and every population is n ' t dominant in its community, which resulted in their endangered state, for which habitat fragment and artificial damage are mainly responsible

    安徽羽葉報春呈斑塊狀分佈於安徽黃山、石臺、休寧、寧國、涇縣、歙縣、黟縣等南部山區，毛茛葉報春呈島嶼狀分佈於浙江、安徽、湖北、江西等省。兩物種種群少且種群小，在群落中都不佔優勢。
  13. Considering the distribution of the species, the sizes and grounding patterns of stone are of critical importance, but the kinds of stone have n ' t any significance

    對此物種種群分佈來說石頭大小和著地樣式至關重要；但石頭種類，即石灰石還是花崗石，影響不大。
  14. In addition, it has also been applied to the management and prediction of the ecology system, especially the marine ecology, and the control of the environment pollution

    它已廣泛的應用於研究微生物的種群增長和相互作用規律，也應用於生態系統尤其是水生生態系統的管理，預測和環境污染的控制。
  15. It may be suggested that not all types of rarity have die same genetic implications from these results

    這提示，並非所有的稀有物種種群具有一樣的遺傳含義。
  16. Already resources are depleting, with the report showing that vertebrate species populations have declined by about one - third in the 33 years from 1970 to 2003

    資源正逐漸被耗盡。報告顯示，從1970年到2003年的33年間，脊椎物種種群已經減少了近三分之一。
  17. The first, the living planet index, measures biodiversity, based on trends in more than 3600 populations of 1300 vertebrate species around the world

    第一個指標叫做生命地球指數，該指數根據地球上1 ， 300種種群數量達3 ， 600多個的脊椎動物的變化趨勢來衡量生物多樣性。
  18. We consider that such a quantitative monitoring program is necessary and important for a scientific comparison between the monitoring and the baseline data with reference to the population level of the selected target species of conservation importance and or biological diversity of the site

    世界自然基金會認為任何彌償措施必須附設量化的監察系統，收集工程后個別具保育價值指標物種的群落數量或受影響地區的物種多樣化數據，與基線資料作科學比較。
  19. Rolando wrote in an e - mail message, “ because most species during summer forage in grass, and some also make nests on the ground. ” the researchers found that the habitat loss also affected arthropod populations ; there were fewer insects in the trail plots, so there was less food for the birds

    研究人員還發現，棲息地減少同樣影響節肢動物的種群數量；滑雪場內的昆蟲較少，於是鳥類便很難在滑雪場內找到食物。
  20. Kennedy and eberhart presented a new optimization method named particle swarm optimization ( pso ) in 1995 which is inspired by the flocking and swarm behavior of birds, insects, and fish schools

    此外， kennedy和eberhart在1995年提出一類新的優化演算法? ?粒子群優化演算法（ pso ） ，這種新演算法啟發于鳥類、蟲、魚群等物種的群體捕食行為。
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