沙荒漠 的英文怎麼說
中文拼音 [shāhuāngmò]
沙荒漠
英文
sand-barren-
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 % 。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。The sahel is the area of africa that lies between the sahara desert to the north and more fertile land to the south. the dry plains of the sahel are mostly treeless. yet in niger, one of the nation along the sahel, millions of trees are now growing. researchers have been studying the progress of a re - greening campaign in niger
荒漠平原是在非洲的一個地方,它在撒哈拉沙漠的北部和更多肥沃土地的南部之間.荒漠平原的乾旱的平原上是幾乎沒有樹的.然而,在尼日,一個靠近荒漠平原的國家之一,數以萬計的樹現在正在生長.研究人員已經在研究在尼日的一個重新種植樹木的戰役的進程Ecoogical chaaracteristics of roots of artemisa arenaria population in arid desert area
乾旱荒漠區沙蒿種群根系生態特徵研究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。To illustrate this point, vi the dynamic of the water and salt in fukang oasis will be analyzed. by comparative analysis of the dynamic of soil moisture and salinity in farmland, the abandoned land inside new oases, sand dune and the grassland periphery, the influence of dynamic state of soil moisture and salinity on the oasis stability can be clarified. thus, we may draw the following conclusion : l. at the plains in fukang, the ground water table rises gradually from south to north, and it falls in the desert
本論文研究圍繞典型荒漠植物群落的水鹽動態變化及其對植物群落空間分佈的影響以及綠洲內的水鹽動態變化,通過綠洲農田與綠洲內撂荒地、綠洲外圍水鹽動態的對比分析,水鹽動態變化對綠洲穩定性的影響,得出以下結論: l從南至北,研究區地下水位在平原區逐漸升高,在沙漠中又降低。Cutting or digging shrubs, medicinal herbs or other sand - fixation plants on desert or semi - desert grasslands or in arid areas shall be prohibited
禁止在荒漠草原、半荒漠草原和沙化地區砍挖灌木、藥材及其他固沙植物。Based on different regions, the drainage can be used to expand sand control belts of arbors, shrubs and grasses, to increase vegetation coverage of halosols deserts by salt - tolerant plants, or to set up protective belts of salt - tolerant plants around artificial oases
根據區域不同,利用農田排水拓展喬灌草防沙帶、增加鹽成土荒漠耐鹽植被的蓋度、使人工綠洲邊緣的荒漠能夠生長耐鹽植物等都是農田排水資源化利用發展的方向。Biological mechanism of sandy desertification in grassland reclamation area in north china
草原農墾區土地沙質荒漠化過程的生物學機制Comparison of micro - meteorological characteristics of different stage in desertification area erduosi
鄂爾多斯地區兩種典型沙質荒漠化階段微氣象特徵的比較研究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。Cynanchum komarovii is the main constructive plants in maowusu desert. the photosynthesis characteristics of cynanchum komarovii was dynamic studied under natural conditions
本研究對毛烏素沙地主要建群種荒漠植物牛心樸子( cynanchumkomaroviialThe sahel is the area of africa that lies between the sahara desert to the north and more fertile land to the south
荒漠草原是在撒哈拉沙漠和北方及南富饒之地的非洲地域。Study on gap - 43 immunoreactivity in the retina of adult fish carp brocarded, lizard phrynocephalus prezewalskic, pheasant phasianus colchicus
43在錦鯉荒漠沙蜥和雉雞視網膜內分佈的免疫組化研究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。Especially the desertification of northern china ( sandy desertification ) and the overwhelming majority of its size and rapid development concern
尤其是我國北方的沙漠化(砂質荒漠化)以其面積廣大和發展迅速而引人關注。The main characteristics of land use / land cover change in xilin river basin over the past two decades were significant decrease in area of meadow grassland, temperate grassland vs. significant increase in area of cropland, desert grassland, urban area and desertilized land
錫林河流域20年來土地利用/土地覆蓋變化的主要特徵為草甸草原、典型草原面積的大幅減少和荒漠草原、農田和沙漠化土地面積的大幅增加及城鎮的擴張。The seasonal variation of serum protein contents in toad - headed lizard phrynocephalus przewalskii
荒漠沙蜥血清蛋白含量的年周期變動Obtaining full and accurate information on the spot, basing on the fractal theory, fully using remote sensing image as the main research data and relative thematic map as reference data, aiding of pci which is a powerful image processing software of remote sensing technique, the land desertification and the change of transitional belt between oasis and desert in yutian county are analyzed quantificationally. the rational proposals are tabled for the desert controlling and area rebuilding in the future, furthermore, this paper deeply discusses and validates the effect of fractal approach applied in the desertification research
在實地考察研究區獲得翔實資料的基礎上,以分形為理論依據,充分利用多時相衛星遙感數字圖像為主要資料源,參考相關資料,藉助遙感圖像處理分析軟體pci操作平臺,定量分析評價於田縣的沙漠化狀況及綠洲?荒漠交錯帶的演變趨勢,為今後沙漠化的控制、改造工作提出合理化建議,並對分形理論在綠洲?荒漠交錯帶定量研究中的作用作深入地探討和驗證。And wreaths of dust were spinning round and round before the morning blast, as if the desert - sand had risen far away, and the first spray of it in its advance had begun to overwhelm the city
晨風吹得一圈圈塵埃旋卷翻滾,彷彿荒漠的黃沙已在遠處沖天而起,其先驅已開始襲擊城市,要把它埋掉。分享友人