荒漠植被 的英文怎麼說

中文拼音 [huāngmòzhíbèi]
荒漠植被 英文
deserta
  • 荒 : Ⅰ形容詞1 （荒蕪） waste 2 （荒涼） desolate; barren 3 （不合情理） fantastic; absurd 4 [書面語] ...
  • 漠 : Ⅰ名詞（沙漠） desert Ⅱ形容詞（冷淡; 不經心） indifferent; unconcerned; aloof; cold
  • 植 : Ⅰ動詞1. （栽種） plant; grow; cultivate 2. （樹立） establish; set up Ⅱ名詞（姓氏） a surname
  • 被 : Ⅰ名詞1 （被子） quilt 2 （姓氏） a surname Ⅱ動詞[書面語]1 （復蓋） cover; spread 2 （遭受） suffe...
  • 荒漠 : [地理學] desert; wilderness荒漠草原 desert steppe [西非]; sahel; 荒漠結皮 patina; 荒漠景觀 desert...
  • 植被 : vegetation; vegetative cover植被層 vegetable layer; 植被帶 [植物學] zone of vegetation; 植被類型 vegetation form
  1. The remote sensing quantitative retrieval model for the appraisable factors of desertification monitoring are founded. in naiman country, inner mongolia, the experimental area, the hyperspectral imaging spectrometer data in plant growth seasons are collected by state - produced airborne hyperspectral imaging spectrometer omis - i, and the etm + image is also obtained. meanwhile, ground investigation and measurement are made, which include the measurement on reflection feature of different kinds of geo - targets and the ground investigation data necessary for spectral rebuilding and retrieval models of the appraisable factors of desertification monitoring

    本研究以內蒙古奈曼旗作為研究試驗區，採用我國自行研製的機載高光譜成像光譜儀omis - ，在植被生長季節取得高光譜解析度成像光譜儀數據和etm ~ +圖像，並進行了同步的地面調查及量測，包括不同類型地物反射特性量測和光譜重建以及荒漠化監測評價因子定量反演模型所必需的地面樣方調查數據。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. Minqin desert area belongs to the typical droughty desert shrubs and its vegetation coverage only comes to 5 % desert climate and its 15 %

    摘要民勤沙區屬于典型的乾旱荒漠氣候，植被以灌木荒漠為主，蓋度一般只有5 % ~ 15 % 。
  4. Many academicians regard that the cause of formation of sand - dust storm mainly is the vegetation in hungriness is destroyed

    摘要關于沙塵暴的成因，學界大多認為其是近期以來人為破壞荒漠植被的結果。
  5. Because the amount of water inflowing the wetland decreased and the plant beside the lake was cut bustlingly, there are 4. 3 104hm2 desert forests and 0. 97 104hm2 reeds in the reserve district now, which only is 38 % and 22 % of its distributed area in 1950 ' s

    入湖水量的減少，加上湖周大面積的毀林開荒，以及周邊居民大肆的樵採，保護區植被遭到了毀滅性的破壞。保護區現有荒漠林4 . 3 104hm2 ，僅為1950年代的38 % ，有蘆葦0 . 97 104hm2 ，衰亡達78 % 。
  6. As a result, vulnerable ecological environment is showed with the ecological bearing capacity in middle reaches of hetian river. in the view of the features of landscape pattern in the middle reaches of hetian river, the landscape protection principles of development, harmonization and reality and ecological landscape construction principle including adapting nature, mutualism, adjusting ecosystem and meliorating function, local regulation and whole " harmonization are put forward

    A ，指出區域內生態環境質量在提高，但依舊無法脫離荒漠生態體系，是一種極其脆弱的生態環境。針對和田河中游地區景觀生態的具體特點，提出了發展、協調、現實的景觀保護原則以及適應自然、共生互利、調整結構，改善功能、局部控制與整體協調的景觀生態建設原則，相應地制定出河流廊道建設、綠色植被建設以及綠洲建設的景觀生態建設途徑
  7. Moderate and rotational grazing can do some good to the development of leymus secalimus population, and ca n ' t result in desertification in grassland

    適度的輪牧可促進賴草種群的發育，增加植被蓋度，不會導致荒漠化。
  8. Shrub and undershrub niches in vegetation of the fukang desert

    阜康荒漠植被灌木與半灌木種群生態位的研究
  9. Weather or not the vegetation restoration and rebuilt can be achieved will largely depend on weather or not sprout can build up the mechanism to resist dry stress. this point of view has been pro - ved by plants living on the natural water. usually the xerophyte has particular ability to endure drought for long term

    植被恢復與重建能否取得進展，在很大程度取決于幼苗期能否完成適旱過渡，這種現象，在依賴自然水源生繁的地區特別明顯。荒漠中自然生長的植被，通常具有耐受長期乾旱的特殊能力。
  10. Management of soil moisture for desert steppe vegetation rehabilitation in western loess plateau

    黃土高原西部荒漠草原植被恢復的土壤水分管理研究
  11. According to the configuration and ecotope of the earths surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data

    利用外業調查數據，依據地表形態和生態狀況的變化，確定了植被蓋度、裸沙地佔地百分比和土壤質地3項評價指標，並建立了基於遙感的科爾沁沙質荒漠化評價指標體系，其中裸沙地佔地百分比用混合像元分解的方法獲得。
  12. 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 。
  13. In light of the problems of aggravated soil erosion and litho - desertification of the karst regions in northwest guangxi as a result of degradation of forest ecosystems, six " grain - for - green " models ( five models of artificial afforestation or grass planting, and one model of desertation for natural vegetation restoration ) were screened out for quick restoration of vegetations in the regions and evaluated for their respective ecological effect

    摘要針對桂西北喀斯特地區森林生態系統退化造成的水土流失加劇以及石漠化嚴重的現狀，篩選適合該地區植被快速恢復的5種人工造林（草）方式和自然拋荒恢復模式，分析評價各種模式的生態效應。
  14. For proper land use, we further study the impact of lulc variation on regional climate in sensitive climate field and in mosaic nesting field. we found that there are different the impact of lulc variation on regional climate between in sensitive climate field and in ordinary climate field and the impact of lulc variation on regional climate in sensitive climate field is bigger than the one in ordinary climate field

    在該結論的支持下，為了合理地利用土地，進一步研究了植被變化在氣候敏感地區及由綠洲-荒漠嵌套所引起的氣候響應。結果發現，在氣候敏感區植被發生變化和在平常區域植被發生變化所引起的氣候響應是不同的，氣候敏感區的植被變化所引起的氣候響應明顯大於平常區域。
  15. 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。
  16. The second one is the cultivate vegetation ; it covers 28. 41 %, about 1070. 44km2

    反映出在植被類型景觀中，荒漠植被為基質。
  17. Affects of over grazing and enclosure on desert vegetation succession of reaumuria soongrica

    過牧及封育對紅砂荒漠植被演替的影響
  18. Equally because population increase too fast, the fuel demand was greatly increased, which accelerate the destruction of the

    還是人口的增長，人均收入的有限，對天然燃料的需求加大，加速了對灌木林等荒漠植被的破壞。
  19. Poacynum bender sonii ( hook, f. ) woodson is one of the builders of saline meadow distributed widely in desert zone of asia, halocnemum strobilaceum ( pall. )

    大葉白麻是亞洲荒漠區普遍分佈的鹽生草甸的建造者，鹽節木是重要的荒漠植被建群種。
  20. The main results are as following : 1 species diversity indices are significantly different among communities in desert - oasis ecotone, but are low in general ; diversity indices based on important value and cover are more properly in arid desert areas

    主要結論如下： 1 、阜康荒漠綠洲過渡帶物種多樣性在群落間差異顯著，總體上多樣性水平較低；對荒漠植被，以重要值或蓋度為指標計測多樣性指數較為可行。
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