sand vegetation 中文意思是什麼

sand vegetation 解釋
砂地植被
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  • vegetation : n. 1. 【植物；植物學】營養體生長，發育；〈集合詞〉植物，植被，植生，草木。2. 無所作為的生活，單調的生活。3. 【醫學】贅生物，增殖體。adj. -al
  1. 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。
  2. As a result of its high capability in interception of precipitation and enhanced evaporation of soil surface, the development of microbiotic crusts will more and more threaten the soil water condition which the artificial sand - fixing vegetation should rely on

    在1956年固沙區，原來的花棒+檸條+油蒿為主的人工系統向油蒿+霧冰藜+小畫眉草+隱花植物為主的半人工半天然系統的演變。
  3. The species were separately caragana korshinskii hydysarum scoparim artemisia ordosica in shrubs layer, eragrostis poaeoides bassia dasyphylla in herbs layer, bryum argenteum barbula ditrichodies in microbiotic crusts layer. and the dominant species of them were artemisia ordosica eragrostis poaeoides bryum argenteum respectively. due to the different time and the topographical varieties in the fixing - sand region, the horizontal structure of artificial vegetation manifested out the mosaic characteristics

    灌木片層的主要植物種是檸條（ caraganakorshinskii ） 、花棒（ hydysarumscoparim ） 、油蒿（ artemisiaordosica ）等灌木植物，其中優勢種為油蒿；草本片層的主要植物種有小畫眉草（ eragrostispoaeoides ） 、霧冰藜（ bassiadasyphylla ）等，其中優勢種是小畫眉草；生物結皮由藻類和苔鮮類構成，其中，銀葉真鮮（ bryumargenteum夕為固沙植被區鮮類地被層優勢成分。
  4. These are the material bases for the desertization expanding that the earth ' s surface vegetation is sparsed, made - ups material is loosed, and sand source is abundant in mu us region

    毛烏素地區地表植被稀疏、組成物質鬆散、沙源豐富，為沙漠化擴展提供了物質基礎；而乾旱多風的氣候是沙漠化發展的重要因素之一。
  5. 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。
  6. Enclosing sandy - land merely without sand barriers ca n ' t lead to effective restoration of its vegetation. and in such sandy - land, the dominant plant species is still agriophyllum arenarium, and the coverage and the species richness are rather low

    只封禁多年但沒有設置沙障的流動沙丘，其植物群落的恢復效果很差，優勢種依然為沙米，並且群落蓋度和物種豐富度很低。
  7. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里沙漠東南緣寧夏中衛縣沙坡頭地區人工固沙植被作為研究對象，採用傳統生態學的野外調查方法，從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境（土壤含水量、溫度）相互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化，取得了如下研究結果： 1 、植被群落組成、多樣性及生活型：沙坡頭地區人工植被經過近50年的演變，從流動沙丘到固定沙地，沙地植被的動態變化經歷了從人工植被到人工?自然植被的轉變，從人工植被建立初期的少數幾種引種植物到現有30多種植物，隨著固定沙地時間的延長，植物種類日趨豐富，並且人工植被在15 25年、 40 50年兩個階段，物種的周轉速率最大，即群落結構變化最大。
  8. A trail traverses the hsihu vegetation, its white sand dividing the whole scene in half like a meandering creek

    一條羊腸小道從中劃過西湖一區的山林花草，白色的沙石小道彷如溪水將畫面一分為二。
  9. 4. in the process of spontaneous vegetation recovery of blown sand soil, coarse sands ( l - 0. 25mm ) content gradually lower, middle sands ( 0. 25 - 0. 05mm ) and fine sands ( 0. 05 - 0. 02mm ), silt, clay content gradually higher in mechanical composition

    4 、在自然植被恢復過程中，風沙土機械組成中砂粒含量變化表現為粗砂含量的降低，中砂和細砂含量的升高，砂粒整體含量降低。
  10. Near - natural restoration of sand vegetation at the east edge of kubuqi desert

    庫布齊沙漠東緣沙地植被近自然恢復研究
  11. Vegetation restoration also resulted in the changes of soil physical and chemical properties, i. e., the contents of organic matter, alkali - hydro nitrogen, rapidly - available potassium and the contents of fine sand, very fine sand and clay were increased significantly, while ph and the content of rapidly - available phosphorus were decreased

    植被的恢復使土壤理化性質發生了變化，與恢復前相比土壤中有機質、堿解氮、速效鉀以及細砂、極細砂、粉砂、粘粒含量顯著增加， ph值和速效磷含量降低。
  12. In recent years, the vegetation was destroyed severely in north of china with population explosion. the quality of atmosphere in beijing, the capital of china, was depressed seriously because of the sand storm

    近些年來，由於人口激增，自然植被遭到嚴重破壞，我國北方地區沙化日漸嚴重，北京作為我國的首都，由於沙化問題引起的沙塵暴等現象嚴重困擾著人民的正常生活，大大降低了環境質量。
  13. Gradually, with the more and more transpiration of the vegetation, and with the reduction of the deep soil moisture, in the end, a kind of balance of soil moisture will appeared and be kept for ever between the precipitation and the transpiration of vegetation, and the manual sand - fixing vegetation will be transformed consequently into its natural climax stage completely, in which the dominant plant is leymus secalimus, and in which the plant species richness is not too low, but the plant species evenness is the lowest

    設置機械沙障和生物沙障的初期，植物的物種豐富度、物種均勻度會有一個暫時的提高；但是在人工固沙植被的發育盛期，物種豐富度會降低；隨植物群落蒸騰耗水量的不斷增大，人工植被不斷地衰退，最後發展到賴草土壤頂極群落，此時的物種豐富度並不低，但是物種均勻度很低。
  14. The sand dunes and vegetation of yenliao

    鹽寮沙丘與植物。
  15. The driest region, in the extreme southwest, has active sand dunes and very sparse vegetation

    最西南端是最乾旱地區，沙丘遍布，植被稀少。
  16. Bluff island, seen from above, looks like an stretched tortoise - with rounded slopes, capped with vegetation, that plunge down to sand coves between high cliffs

    從村裡起步，不消數分鐘便會看到一個大石灶，是以往村民用以製造石灰的器具。
  17. The density and coverage of shrubs in vegetation had a negative correlation with the fixing - sand time, but those of herbs had a positive correlation

    灌木植物的密度和覆蓋度與沙地固定時間呈負相關;草本植物密度和覆蓋度與人工植被沙地固定時間呈正相關。
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