沙化土地 的英文怎麼說
中文拼音 [shāhuàtǔde]
沙化土地
英文
desertified land
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沙 :
沙動詞[方言] (搖動以清除雜物) shake
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沙化 :
desertification
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The classified result show that the grass land of this region retrogressed badly in 2000 : the appreciable retrogression proportion of the grass land is 15 %, the moderate retrogression proportion is 15 % ; the serious retrogression proportion is 8 % ; the area of desert is 2755. 27km2 and the proportion is 19 %, which had increased about 88. 9 % in eight years
植被覆蓋度分類結果顯示, 2000年該
地區草
地退
化比較嚴重: 21草
地輕度退
化, 15的草
地中度退
化, 8的草
地重度退
化,
土地沙化面積為2755 . 27km ~ 2 ,比1992年增加了88 . 9 。
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The overall temporal variation characteristics of land desertification in the recent 30 years in keerqin sandlot are that : the main types of land desertification are changed from medium and severest desertification types to gently and medium desertification types. the area of gently desertification land is increasing. the area of severe desertification is decreasing
研究表明: 30年來,科爾沁
沙地土地沙漠
化的時間變
化總特點是:
土地沙漠
化的類型中度、極重度為主轉變為以輕度、中度為主,輕度
沙漠
化土地的面積呈增加趨勢,重度
沙漠
化土地的面積減少趨勢。
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A probe into the status and counter measures of sandy desertification in china
中國
沙化土地現狀及防治對策淺談
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Analyzing the sandstorm, the experts and scholars in our country have recognized that, the main reason of sandstorm happens is the increasing expansion of desertification land and the primary sector forming desertification of land is the soil wind erosion
專家學者研究
沙塵暴發生的原因認為,我國
沙漠
化土地面積日益擴大是
沙塵暴發生的重要因素,而
土地沙漠
化的首要環節是
土壤風蝕。
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Desertified land area of 2. 6362 million square kilometers, accounting for land area of 27. 46 percent, more than the total area of arable land
沙漠
化土地面積為263萬6200平方公里,占國
土面積的27 . 46 % ,超過全國耕
地總面積。
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From the point of sustainable development, the authors propose a comprehensive solution, which is to scientifically reform the desertified land, to strengthen the developing and using of salinized land, to reasonably use the groundwater resources and to cut off the pollution sources
從可持續發展的角度,提出了環境
地質問題的整治需科學合理
地對
沙漠
化土地進行治理;加強鹽漬
土地的開發利用;合理利用
地下水資源及切斷污染源。
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Origins of desertization land and its countermeasures in tongliao
論通遼市
沙漠
化土地發生的根源及其對策
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Developmental tendency of desertization land and control measures in hexi region, gansu province
甘肅省河西
地區
沙漠
化土地發展趨勢及治理措施
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The desertification land in china is mainly distributed in the arid, semi - arid and some of the semi - humid areas in the north. the area of desertification land is very large and it is widely distributed
我國
沙化土地主要分佈在北方廣大幹旱和半乾旱,以及部分半濕潤
地帶,
沙漠
化土地面積大、分佈廣,危害非常嚴重。
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As the first step for sandy land control, sandy land monitoring can provide effective technical support for the decision and sandy land management project
沙化土地監測可以為
沙化土地工程治理及決策提供有效的技術支持,它是治理
土地沙化的首要環節。
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Satellite remote sensing monitoring technique is characterized for its rich information and direct 、 macro and exact vision, and therefore is an effective tool for sandy land monitoring
衛星遙感技術是航天航空技術與計算機技術的高度融合,具有信息量大、形象直觀、宏觀、準確等特點,是
沙化土地監測的有效工具。
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Duolun county, a typical farming - grazing transitional region located in inner mongolia, is chosen to be the typical research area and careful field investigation and spectral measurement were taken there. multi - temporal satellite imagery was selected on which integrated sandy land monitoring system was based. 1
本文選取位於農牧交錯帶內的內蒙古多倫縣作為典型研究區,對該
地區
沙化土地類型進行了詳細的
地面調查和光譜測量,選用多時相landsat - 7etm +遙感數據,研究建立了一個完整的
沙化土地監測系統。
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The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather
星月太陽廟林木種苗培育基
地和農業種植基
地是內蒙古重要的生態功能保護區,基
地內的水
土保持林、防風固
沙林、速生豐產林、退耕還林還草等林草工程,對防止植被退
化、
土地沙化、減緩
沙塵天氣的發生起到不可忽視的作用。
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Impacts of high - parallel sand - barrier on soil organic matter contents and particle composition of serious desertified grassland
平行高立式
沙障對嚴重
沙化草
地土壤有機質含量及顆粒組成的影響
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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
沙質荒漠
化土地,由於
土壤發育微弱,
土壤砂粒含量較高,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。
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Due to the influence of climate drought and human activities, the ecological environment of qinghai province is in an increasingly grave condition, namely, climate abnormal events occurring frequently, grassland degenerating, ground sanding, glacier shrinking, water level of lakes descending and river runoff decreasing, and so on. in the basis of extensively collecting and analyzing the data of qinghai ecological environmental factors such as climate, water resource and grassland resource etc., the further basic research is performed on the ecological environment characters of main climate factors, surface runoff, water resource, lcc and their correlation to coordinate with the basic, strategic and precursory research for the development of china west part and provide the scientific foundation for corresponding development both ecological environment and social economy, and persistent utilization of natural environment resource
本研究針對當前在氣候乾旱
化和人類活動的共同影響下青海省生態環境中氣候異常事件即氣象災害頻繁發生、草場退
化、
土地沙化、冰川萎縮、湖泊水位下降和河流流量減少等生態環境退
化現象日益嚴重的實際,在廣泛收集和整理青海省氣候、水資源、草
地資源等生態環境因子基礎資料的基礎上,對青海的主要氣候要素、
地表徑流、水資源、植被的演替及其相互間的關系等主要生態環境變
化特徵進行了基礎性的研究。
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Through analysis, it is found that the preceding factors effecting the inter - annual changes of meiyu in above 2 stages are also very different from each other
研究了兩時段梅雨盛行趨勢突變的成因,發現與顯著增強的人類活動有關: 20世紀70年代末,我國工業開始大發展,大氣污染的增長導致
地面太陽輻射減少,中國北方
沙化土地面積又迅速擴大。
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Based on literature and the data of desert survey, the paper introduces the status quo and direction of china ' s desertification, discusses the key reasons caused desertification by changes in climate and irrational activities of man, holding that once man ' s interference is controlled and protective measures are taken, land under desertification in semi - drought areas will soon recover to arable land naturally
摘要該文根據有關文獻和資料,介紹了我國
沙漠
化的現狀及發展趨勢,論述了氣候變
化和人類不合理活動是造成
沙漠
化的重要原因,認為只要控制人為干擾,並採取防治措施,半乾旱
地區的
沙化土地很快就能自我恢復。
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Namely attach importance to partition of droit, make light of liability respond, the setting of administration is not reasonable, resource property right system has not been established, desert prevention layout and soil programming superposes, the investment power is inadequate. at the same time, investigates the root of the problem and bring forward several assumption : 1. constitute logical resources property right system, viz
即重權利劃分,輕責任承擔、管理體制設置不合理、資源物權制度沒有建立、防
沙治
沙規劃和
土地規劃有重疊、對
沙化土地監測的規定有重復、防
沙治
沙投資力度不夠,防
沙治
沙資金來源單一併沒有有力的保障、對
沙化土地治理者的保護力度不夠。
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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荒漠化土壤進行系統研究,以沙珠玉和青海湖東岸為例,通過野外考察和土壤樣品室內化驗,採用對比分析的研究方法,對中國高寒地區荒漠化的成因和研究區砂質荒漠化土地的形成演變,土壤發生特性、人工植被恢復和自然植被恢復過程中土壤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土壤進行類型劃分,得到主要結論如下: 1 、高寒地區荒漠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,沙珠玉地區風沙土是就地產生的,青海湖東岸地區風沙土主要是由風從湖的西岸搬運而來的,兩地區砂質荒漠化發展仍然十分嚴重。