生態過渡帶 的英文怎麼說

中文拼音 [shēngtàiguòdùdài]
生態過渡帶 英文
ecotone
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 渡 : Ⅰ動詞1 （由此岸到彼岸;通過） cross （a river the sea etc ） 2 （渡過） tide over; pull through 3 ...
  • 生態 : organism s habits; modes of life and relation to their environment; ecology生態變異 ecocline; 生...
  • 過渡 : transition; transit
  1. 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 ） 。
  2. Due to different exploitation intensity and ecological restoration measures used in hongchiba region, wuxi county, the vegetation have been formed a series of succession stages, i. e. herbaceous stage scrub - shrub stage - shrub - tree stage - pure larix daempferi conifer forest stage - pinus armandii needle broad - leaved mixed forest stage - natural deciduous broad - leaved forest

    巫溪縣紅池壩地區由於歷史上開發強度和生態恢復措施的不同，使當地植被形成了從草本群落灌木灌叢林灌過渡帶日本落葉松（ larixdaempferi ）針葉純林華山松（ pinusarmandii ）針闊葉混交林天然闊葉落葉林的一系列生態恢復演替階段。
  3. 3 eight communities are identified by gradient analysis in desert - oasis ecotone, and species are divided into 5 ecological groups. dca ordination is superior to cca and dcca. variation of vegetation explained by environmental and spatial factors reaches 23. 4 % ; among these the species matrix explained by non - spatial soil factors account for up to 11. 5 % of variation, spatial variation that is not shared by soil factors explains up to 11. 6 %, their interaction explains up to 0. 3 %

    3 、通過梯度分析，阜康荒漠綠洲過渡帶群落可分為8個類型，物種可分成5個生態類型； dca排序效果優于cca和dcca ；土壤和空間因子解釋了植被分異的23 . 4 ，其中土壤因子佔11 . 5 ，空間因子佔11 . 6 ，二者交互作用佔0 . 3 。
  4. Situated in a junction area of various natural elements, mount emei possesses typical geological and topographical features, well preserved eco - environment ; and thanks to its essential position as the junction and transition belt of world biology divisions, the area boasts rich plant and animal resources, has distinct regional characteristics, and is the home to many rare and threatened species

    峨眉山處于多種自然要素的交匯地區，典型的地質地貌，保護完好的生態環境，特別是地處世界生物區系的結合和過渡地帶，擁有豐富的動植物資源，具有明顯的區域性特點，珍稀瀕危物種繁多。
  5. There is no precedent to model land use and land cover change of arid region in china. and zhangye city located in the transition of three physical geographical region of china, is the significant part of north - west arid region, which is the sensitive area and zoological brittle zone. the evolutive process and mechanism of land cover change law is different from east region

    國內對乾旱區土地利用覆蓋變化模擬的研究尚無先例，且張掖市是我國西北乾旱區的重要組成部分，處在我國三大自然地理區的過渡位置，為環境演化的敏感區和生態脆弱帶，土地覆蓋的演化過程和機制有其不同於東部地區的特殊規律，所以張掖市土地利用覆蓋變化模擬的研究對乾旱區現代環境變化的人為影響研究有著極為重要的理論和實際意義。
  6. The two eco - systems can invert each other in some conditions. the ecotone between oasis and desert is the most prominent area to these activities. it records the most sensitive and intact information on the transition belt

    而荒漠與綠洲之間的植被帶即過渡帶則最為敏感、完整地記錄了這兩大生態系統之間的相互作用與相互轉化。
  7. High proportions of poverty mountain regions are distributed all over the country and have many common characteristic as follows rugged ground convenient communication and information, low life level of the residents fragile ecosystem, scarce resources of water and soil, great environmental pressure, etc. located in the southeast of chongqing municipality, qianjiang district is one of the major poverty counties named by the sate council moreover, located at the vital organs part of china, transition region between the west and east, and the juncture of the four provinces ( chongqing, hubei, hunan, guizhou ) likewise, close to the region of the three gorges dam

    我國貧困山區面積廣大，遍布全國東西南北，有許多共同特徵；地表崎嶇，交通不便，信息不靈，經濟落後，人民生活貧困，生態脆弱，水土資源稀缺，環境壓力大等等。黔江區位於重慶市東南部，是國務院確定的重點貧困縣，是我國的一個具有典型意義的貧困山區，位於我國腹心地區和中、西部過渡地帶，地處渝、鄂、湘、黔四省市的結合部，又緊鄰三峽庫區，地理位置十分重要。
  8. Application of ecological footprint analysis method in measuring ecological sustainable development - a case study of nanjing in

    北方農牧過渡帶農戶農業生產系統模式的生態評價和改良研究
  9. Experimental study on rainfall harvesting and microcatchment model for ecosystem rehabilitation in the transitional zone between arid and semiarid regions

    乾旱半乾旱過渡帶雨水集流試驗與微型生態集雨模式
  10. The community productivity, structure and succession are significantly influenced by global climate changes. this study focused on soil respiration rate of stipa baicalensis grassland by using dynamic infrared gas absorbed method. we analyzed diurnal pattern of soil respiration rate and the influences of surface soil temperature and water content for this parameter, then compared the differences between day and night soil respiration rates, and explored the correlations between aboveground and underground biomass with the soil respiration

    溫帶的半乾旱、半濕潤區草甸草原屬于過渡氣候影響下形成的植被類型，對環境氣候條件變化十分敏感，為了揭示半乾旱、半濕潤區草甸草原生態系統土壤碳素釋放規律及其對主要環境因子的響應，本研究採用動態室紅外氣體吸收法測定松嫩草甸草原典型群落? ?貝加爾針茅群落土壤呼吸速率，分析了土壤呼吸速率日變化規律及表層土壤溫度和含水量對土壤呼吸速率日變化的影響，比較了土壤呼吸速率的晝夜差異，探討了地上生物量和地下生物量與土壤呼吸速率之間的相關關系。
  11. The loess plateau of china is located at a transitional area where the semi - humid climate is changing into the semi - arid and arid climate

    黃土高原地處半乾旱半濕潤向乾旱荒漠的過渡地帶，生態環境十分脆弱。
  12. Species diversity dominance niche community ordination and classificationx population spatial pattern in desert - oasis ecotone in fukang, along with their relation to soil factors, are analyzed by quantitative vegetation analyze methods. the characteristic x dynamic of landscape ecological pattern and their influence factors are also analyzed by the partition of landscape transect. oasis stability is primary explored by the successive observation of soil water and salt in sangonghe basin in fukang

    採用植被數量分析方法，分析了荒漠綠洲過渡帶植物群落的物種多樣性、優勢種生態位、群落排序與分類、種群空間格局，以及它們與土壤因子之間的關系；通過劃分景觀樣帶，分析了阜康土地利用景觀生態格局的特徵、動態及其影響因子；通過阜康三工河流域土壤水鹽的動態觀測，對于綠洲穩定性進行了初步探索。
  13. Additionally, through the use of clustering analysis, principal factor analysis and the correlation analysis, we found that the genetic structure of natural population reawnuria soongorica was related to the ecological factors ( soil factors mainly ) of the oasis - desert transitional zone

    而其它土壤生態因子則與紅砂的遺傳多樣性指數的相關性均不顯著（ p 0 . 05 ） 。表明紅砂個體的分佈可能與過渡帶土壤的某些易溶性鹽分相關。
  14. Emphasis will be laid on the ecosystem conservation in the plain area linking the mountain area and urban area to form the natural and semi - natural ecological corridor linking the downtown area with the outer area

    完善圍繞市區的綠化放射狀系統，重視平原過渡地帶的生態建設，初步形成城市中心與外部聯系的自然及半自然的生態廊道。
  15. It ' s significant to further the study of the environment evolvement and forming mechanism, and this helps to open out its ecological essential, protect and develop the oasis, lacated in the cross belt which converge northeaster and northwester, yutian oasis was threatened by the ilowing sand, and has the bad nature conditions the main purpose of the paper is applying fractal theory to research on the change of transitional belt between oasis and desert, which is a typical ecosystem in arid zone

    而荒漠與綠洲之間的植被帶即過渡帶則最為敏感、完整地記錄了這兩大生態系統之間的相互作用與相互轉化，深入研究這一特殊地帶的環境演變過程、特徵及形成機制對于揭示其生態學實質、維護和發展綠洲具有重要的實踐意義。於田綠洲位於東北風與西北風的交匯地帶，受到流沙侵蝕的危害很嚴重，自然條件非常惡劣，生態環境異常脆弱，人民的生存環境受到了很大的威脅。
  16. Using the precaution lines of different periods, the end of the paper has analyzed the most possible development trend of yutian oasis - desert transition belt in next 5 or 10 years, and given the constructive advices to local eco - system protection, social or economic project

    文章結尾利用所提取的預警線分析了未來5 - 10年內於田綠洲-荒漠過渡帶可能的發展趨勢，並對當地的生態維護和社會、經濟規劃提出了建設性意見。
  17. Total genetic diversity by shannon index was 0. 5240, mean genetic diversity within subpopulation was 0. 4437, genetic diversity within subpopulation accounted for 84. 67 % of ' total genetic diversity, and that among subpopulations accounts for 15. 33 %, that is 85 % of genetic variation within subpopulation, and 15 % among subpopulations

    為了從更大尺度和更深層次上理解生態過渡性與遺傳變異過渡性的聯系，我們對該過渡帶的梭梭、堿蓬和叉毛蓬三種植物的遺傳變異進行了rapd分析。結果顯d 。 ， 。
  18. Ordos plateau is a multi - layer and complicated ecological transition region, which exhibits complicated environmental and ecological characteristics

    鄂爾多斯高原是一個多層次、復雜的生態地理過渡帶，具有復雜多樣的環境條件和生態特點。
  19. By contrast to the data of the past years " fieldwork, we have analyzed the environmental changes and the desertification degree of the study area in the past 25 years, and extracted the precaution line of the oasis " s environmental evolvement

    結合歷年來實地考察結果，本文從自然與人文兩個角度研究了該綠洲近25年的環境變化和荒漠化程度，根據生態系統內部諸因子的相關性以及綠洲與荒漠兩大生態系統間的耦合機理，提取了該綠洲-荒漠過渡帶生態環境變化的預警線。
  20. We suggest that when beginning forestation in arid region, firstly does it in transition field between oasis and desert, then in sensitive climate field, lastly does it by oasis - desert mosaic nesting

    因此，在乾旱區生態環境建設過程中，應首先建設綠洲?沙漠過渡帶，同時注意綠洲和沙漠的空間結構和配置，以達到生態和氣候的相互作用有利於改善環境的目的。
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