荒漠土壤 的英文怎麼說

中文拼音 [huāngrǎng]
荒漠土壤 英文
desert soil
  • : Ⅰ形容詞1 (荒蕪) waste 2 (荒涼) desolate; barren 3 (不合情理) fantastic; absurd 4 [書面語] ...
  • : Ⅰ名詞(沙漠) desert Ⅱ形容詞(冷淡; 不經心) indifferent; unconcerned; aloof; cold
  • : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
  • 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...
  1. 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。
  2. Effects of mulching on grapery soil in arid desert area

    乾旱區不同覆蓋對釀酒葡萄園的綜合效應研究
  3. This paper summarized the disturbance effect of rodents on soil ( pedogenesis, patch formation, and physical and chemical properties ) and vegetation ( species diversity, productivity, and seed dispersion ), aimed to illustrate the contributions of rodents activities to desert ecosystem

    本文主要從鼠類活動對(包括發生過程、斑塊的形成、理化性質)和植物群落(包括物種多樣性、生產力、植物種子)的擾動效應做了歸納總結,旨在闡明鼠類在生態系統中的作用。
  4. 6 diversity fragmentation and evenness of ecological landscape in fukang increase with more utilization and development. the change of landscape pattern about land utilization is mainly area variation of plantation and wasteland in pluvial fan and alluvial plain, the key influence factors are the dynamic of soil moisture and salinity under the development of water and land resource

    6 、在阜康各景觀帶中,隨人為開發利用程度的增強,景觀多樣性、破碎度和均勻性增加;綠洲地利用景觀生態格局的變化,集中體現在位於洪積扇與沖積平原的耕地和地面積變動上,關鍵影響因子是水資源利用下的水鹽動態變化。
  5. Effects of grazing on soil microorganisms and their seasonal changes in desert steppe

    放牧對草原微生物的影響及其季節動態研究
  6. Management of soil moisture for desert steppe vegetation rehabilitation in western loess plateau

    高原西部草原植被恢復的水分管理研究
  7. 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質地3項評價指標,並建立了基於遙感的科爾沁沙質化評價指標體系,其中裸沙地佔地百分比用混合像元分解的方法獲得。
  8. 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 ;和空間因子解釋了植被分異的23 . 4 ,其中因子佔11 . 5 ,空間因子佔11 . 6 ,二者交互作用佔0 . 3 。
  9. The north slope on the east part of qilian mountains was separated into 6 vertical distribution zones : alpine cold desert meadow 、 alpine meadow 、 alpine bush meadow 、 mountain forest grassland 、 mountain grassland 、 and mountain desert grassland, there are also some areas of alternative distribution

    祁連山東部北坡根據氣候、、地貌等因素,分為6個垂直分佈帶:高山寒草甸帶、高山草甸帶、高山灌叢草甸帶、山地森林草原帶、山地草原帶和山地草原帶,有交替分佈的地段。
  10. 2. because of feeble development, sandy desertificational land in high frigid regions of china have higher sands content, which is commonly larger than 750g / kg, there are also higher sio2 correspondingly, which is commonly larger than 600g / kg

    2 、高寒地區沙質地,由於發育微弱,砂粒含量較高,一般含量均大於750g kg ,相應的sio _ 2含量也較高,含量均在600g kg以上。
  11. Desert and oasis ecosystem are the main ecosystems in arid area. studying the characteristics of decaying process, decaying remainders and soil humic acids can accumulate the first hand data for studying the accumulation and decomposition of soil organic matter, the situation of soil fertility, substance cycling and energy flowing in desert - oasis ecosystem, and has the great significance on desert ecosystem restraint and oasis ecosystem extension

    研究綠洲生態系統中植物殘體在中的腐解過程及腐解物和腐殖物質的特徵,可為研究綠洲生態系統中有機質的累積和分解、肥力狀況和綠洲生態系統的物質循環和能量流動積累寶貴的第一手資料,對于抑制生態的惡化,促進綠洲生態的發展具有重要意義。
  12. Took sha - zhuyu and east shore of qing - hai lake as the examples and based on the mass of field survey and soil analyse, took comparative method, we carried through the researches on the causes of the desertification, the origin of sandy desertificational land substance, the development diversification and difference of soil characteristic in process of manual and spontaneous vegetation recovery in high frigid regions and make out the taxonomy of desertificational land in high frigid region of china. the result obtained are summarized as follows : 1. the development of the desertificational land in high frigid regions is caused by the manual and spontaneous factors

    論文首次對高寒地區的砂質進行系統研究,以沙珠玉和青海湖東岸為例,通過野外考察和樣品室內化驗,採用對比分析的研究方法,對中國高寒地區化的成因和研究區砂質地的形成演變,發生特性、人工植被恢復和自然植被恢復過程中的發育差異和性質變化進行系統研究,並用系統分類體系對研究區進行類型劃分,得到主要結論如下: 1 、高寒地區化的發生發展是在自然因素和人為因素共同作用下進行的,沙珠玉地區風沙是就地產生的,青海湖東岸地區風沙主要是由風從湖的西岸搬運而來的,兩地區砂質化發展仍然十分嚴重。
  13. Annual precipitation series about 50 years is stable and no period ; further, the climate drying and desertification are n ' t caused directly by the decrease of precipitation during the period of the research according to the relational analysis among precipitation temporal - spatial change, runoff, evaporation, potential evapotranspiration and soil water ; longyangxia reservoir which was built in 1986 does n ' t have influence on precipitation up to now ; but annual temperature series in gonghe is unstable, having a linear upward trend, and it increases about 0. 0247, 0. 0422 and 0. 0272c per year, and temperature rise must be having an influence on desertification, but there is a very little temperature change, so that the effect is very small ; annual potential evapotranspiration series is stable too, so climate change has little influence on plant water consumption. 2

    在青海共和盆地,近50年的年降雨量序列是平穩的、無周期,其時空變化與徑流、蒸發、潛在蒸散和水分的關系表明,氣候乾燥和嚴重的化不是由於降雨量減少直接引起,龍羊峽水庫對共和盆地年降雨量變化沒有影響;但是年氣溫序列是非平穩的,茶卡、恰卜恰和貴南的年氣溫平均每年升高0 . 0247 、 0 . 0422和0 . 0272 ,且氣溫升高2 ,年潛在蒸散增加57mm ,盆地內氣候逐漸變乾燥,但影響比較小;由於歷年潛在蒸散序列是平穩的,因此氣候變化對盆地的作物潛在蒸散的影響在研究期內是較小的。
  14. 7 topography and land use are main factors affecting the change of groundwater table, then influencing the redistribution of soil moisture and salinity. soil secondary salinization can be considered as the main factors that influence the stability of new oasis in alluvial plain

    7 、地形和地利用是影響阜康綠洲地下水位變化的關鍵因素,而地下水位的連續變化又影響了水鹽在空間上的分佈。
  15. 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,以及它們與因子之間的關系;通過劃分景觀樣帶,分析了阜康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水鹽的動態觀測,對于綠洲穩定性進行了初步探索。
  16. The climax development group is isohumosols after sandy soil fixed under vegetation recovery condition in research regions. there was no different in soil type after 40 years developed. this manifested that soil formation and development process is very slow in high frigid regions

    6 、研究區在植被恢復條件下,風沙被固定以後,經過40多年的發育,類型未發生明顯分化,表明在高寒地區的形成發育過程相當緩慢,地一旦發生化,恢復治理相當困難,所以化防治要以預防為主。
  17. Using corn straw and soybean straw, the characteristics of the decaying process and the remainders, the difference of soil fertility status and soil humic acids character in different using ways are studied by normal analysis combined with energy analysis, thermal analysis ( dta, tg, dig ) and infrared spectrum analysis ( ftir )

    本文以玉米秸和大豆秸為腐解材料,通過常規分析方法結合能態分析、熱分析( dta 、 tg 、 dtg )和紅外光譜( ftir )分析研究了綠洲生態系統下殘體的腐解特徵以及不同利用方式下養分和腐殖質的變化。
  18. Tamporal and spatial variation of soil water in sand dunes at eco - tone between oasis and desert

    交錯帶不同沙丘水分時空動態變化規律
  19. The influence of initial soil conditions on water penetration and soil moisture distribution

    地區初始狀況對水平入滲的影響
  20. According to the monitor and general investigation results of deserted land in anhui province, the present paper analyses ascendency and advantage of controlling and developing deserted land from climate condition, soil resources and controlling effects. clues, concrete strategies and measures including organization, technology and management were put forward about controlling and developing deserted land in the paper combining with actual cases

    根據安徽省化監測和普查結果,從化地區的氣候條件、資源、治理成效等方面,分析了化治理開發的優勢和有利條件,並結合化地區的實際情況,提出化治理開發的思路和策略以及與化治理開發相配套的組織、技術和管理等措施。
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