種群分析 的英文怎麼說

中文拼音 [zhǒngqúnfēn]
種群分析 英文
population analysis
  • : 種名詞(姓氏) a surname
  • : 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
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  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

    本研究選用一高效的檢測遺傳變異的子標記? ? aflp技術來元寶山冷杉的遺傳多樣性,旨在了解該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的生存潛力和瀕危程度,而且可以為制定何挽救和保護措施提供科學的依據。
  2. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤子庫植物落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  3. 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資料的聚類及相關性研究,發現無葉假木賊和角果藜自然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遺傳多樣性水平的相關性均不顯著(卜0 . 05 ) 。
  4. 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檸條( caraganakorshinskii ) 、花棒( hedysarumscoparium )和油蒿( artemisiaordosica )的繁殖特性及結構的研究,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,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。
  5. Analysis on the dominant index of arthropod community in plum orchard

    梅園節肢動物落優勢
  6. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地,通過多次現場采樣與室內實驗,測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅落、羊茅落及高山柳灌木叢等6不同植物落內土壤微生物三大類數量、功能微生物數量、土壤養,並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物解袋試驗,初步研究了枝條、闊葉、針葉等凋落物組在不同解階段所含養的動態變化。
  7. The results showed as follows : ( 1 ) 6 traits are correlative with genomic factors according to analysis of population genetics and comparison of the coherence of twins. ( 2 ) the hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can - rolling type or can - pointed type was the dominant character

    本文首次從體遺傳學、家系、典型系譜及雙生子多個角度並結合多相關數理統計方法,對6項人類學特徵的遺傳方式進行了探討,初步確定了各項特徵的遺傳方式,評價了各特徵的遺傳與環境的相對重要性。
  8. 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的數量特徵,包括南方紅豆杉年齡結構、空間格局(探討佈格局動態規律與生境相互關系) 、不同立地條件下優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及間競爭等,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,也為瀕危植物生態學的研究提供參考。
  9. Three methods, namely, community species composition similarity analysis, community composition similarity analysis, and community characteristic similarity analysis, were employed to study the similarity of insect pest - natural enemy communities of three rice types ( early rice, middle - season rice and late rice ) and their three development stages ( tilling stage, boot stage and milk stage ) in the yangtze - huaihe region of anhui province

    摘要採用組成相似性落組成相似性落特徵相似性3方法,研究了安徽江淮地區早稻、中稻、晚稻3稻型及蘗、孕穗、乳熟3個生育期害蟲天敵落的相似性。
  10. The complete nucleotide sequence of the mitochondrial genome of f. limnocharis was detailedly compared with those of 5 other amphibians. the nucleotide sequences of 22 trna encoded by 6 amphibians mitochondrial genomes were combined and aligned to the homologous sequences of the 11 veterbrate taxa. using teleosts as outgroup, the phylogenetic analyses results show that mp, nj and ml trees all strongly support the monophyly of living amphibians with respect to other living tetrapods and favor a sister group relationship for caecilians and salamanders

    我們在測定了澤蛙線粒體全基因組序列的基礎上,與已知其它的5兩棲類進行詳細的比較,同時選擇了11高等脊椎動物的線粒體全基因序列,以硬骨魚類做外,用22個trna基因合併數據進行系統發生重建,結果表明mp 、 nj和ml樹都強力地支持現生兩棲類動物為單系並且蠑螈類和蚓螈類為姐妹關系(自引導值別為92 、 99 、 100 ) 。
  11. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以為單位,採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd等方法,對兩植物的形態生物學、生物學、繁殖生物學和子生物學等方面進行了詳細研究,以揭示它們的佈類型及成因、生態環境差異的數量特徵和空間特徵、子生物學特徵、傳粉和生殖策略以及子遺傳特徵,進而探討兩物瀕危的成因和機制,並針對性地提出了科學合理的保護對策和建議。
  12. This article include three part, in the first part, we clarify the principle of the stereopsis developing, including the physiological element of stereopsis, its developing process and classification. and point out that binocular parallax is the necessary element of stereopsis. review the equipment or method that have been or deing used in the stereopsis test, and the suitable people to use them, analyze all kind of problem or disadvantage of them

    在第一部中闡述了立體視覺的形成機制,包括產生立體視覺需具備的生理基礎、立體視覺的形成過程以及立體視的類,並指出雙眼視差是產生立體視的必要條件;簡單回顧了在立體視的心理物理檢查中曾被使用或正在使用的儀器和方法,各儀器的適用人其中存在的各問題。
  13. In jinyun, beibei, chongqing. with the helps of various statistical analyses we studied the composition, species diversity and liaison between species in the communities in which s. tsinyunensis distributed, as well as the niche, distribution pattern, modular structure of the populations. the result shows as folio wings : there are 78 species of 70 genera in 47 families of higher plants in the communities in which s. tsinyunensis distributed

    本文運用植物落學、生態學及多數量統計方法,對縉雲黃芩全佈區的落組成、物多樣性、物間聯結性、生態位、佈格局及構件進行了研究,結果如下: 1 )縉雲黃芩佈的落中有高等植物78屬47科70屬。
  14. It also analysis the shinisaurus crocodilurus ' s severe danger mechanism. based on this, we present the suggestion of protection

    瀕危現狀和保育部,對鱷蜥現階段佈、數量進行了報道,了鱷蜥的瀕危機制,並在此基礎上提出了保護建議。
  15. The primary findings of the study can be summarized as follows : 1 ) there exists a significant gap between the expectation and the satisfaction on each of the design strategic attribute ; 2 ) through a cluster analysis, two types of design strategy are identified ? " product differentiated " and " cost focused " ; 3 ) the " cost focused " firms tend to perform better on " budget achievement " and " schedule achievement ", while the " product differentiated " firms tend to perform better on " design patents "

    研究主要的發現有: 1 )樣本廠商間對各設計策略屬性的重視度與滿意度存有顯著的差異; 2 )經集后得到「產品差異化」與「成本專注化」兩設計策略類型; 3 )成本專注化廠商在「達成預算率」與「達成進度率」兩項設計績效指針上,有明顯較佳的表現,而產品差異化廠商在「新式樣專利數」指針上,則有明顯較優的表現。
  16. An analysis of population distribution took place on all of the 11 sites, and population size and density of 8 sites out of these 11 sites were estimated by direct counting method, in order to get basic information of the population ecology of cathaica cavimargo

    進行時評估了石灰巖、純灌木、石灰石灌木、石灰石草地、花崗石灌木、花崗巖、純草地和花崗石草地8個樣地大小和密度,以便獲得cathaicacavimargo生態基本數據。
  17. Analyse the research of distributing of microbe community and the tendency of the change, disscuss the principle and traits of denaturing gradient gel electrophoresisand terminal restriction fragment length polymorphism, to research the law of change that the microbe community have in composting process, we can get effective and rapid information to filtrate the microorganism during composting process, then accelerate the development of compost technology

    摘要對堆肥微生物佈及其動態變化的研究進行了,論述了子生物技術中的變性梯度凝膠電泳和末端標記限制性片段長度多態性的原理和特點,以及用於研究堆肥微生物的落結構演變規律,為和篩選堆肥中的微生物提供更加有效、快速的信息,促進堆肥技術的發展。
  18. Microsatellite dna is among the most efficient class of molecular markers due to their hyper - variable and co - dominant nature with relatively high abundance and random distribution in the genome, and have been applied to a variety of fields including population differentiation, kinship analysis, linkage analysis, and evolutional and ecological studies

    摘要微衛星dna由於具有高度多態性、共顯性遺傳、基因組中含量豐富且隨機佈等特點,目前已成為最有效的子標記之一,並應用於化研究、血緣、基因連鎖、進化以及生態學研究等許多領域。
  19. Age structure and growth analysis of ramets of chamaedaphne calyculata populations in a mire of the xiaoxing ' an mountains

    小興安嶺泥炭沼澤甸杜株的年齡結構與生長
  20. In addition, we suggest a new functional zoning pattern, namely no nuclear zone or non - zoning pattern based on the discussion of functional zoning and sousa chinensis population distribution of chinese white dolphin ( sousa chinensis ) nature reserve

    另外,以中華白海豚自然保護區為例,在其功能區和佈特點的基礎上,提出了不設核心區模式。
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