漠境土 的英文怎麼說

中文拼音 [jìng]
漠境土 英文
desert soil
  • : Ⅰ名詞(沙漠) desert Ⅱ形容詞(冷淡; 不經心) indifferent; unconcerned; aloof; cold
  • : 名詞1 (疆界; 邊界) border; boundary 2 (地方; 區域) place; area; territory 3 (境況; 境地) co...
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系密切、水源易漏失,偏堿性環、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶地質與生態環十分脆弱,受到人為因素的影響和破壞,極易產生石化、壤侵蝕與退化等一系列問題。
  2. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外,通過rapd資料的聚類分析及相關性分析研究,發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙過渡帶的微生生態因子(主要是壤因子)相關,其中無葉假木賊亞種群遺傳多樣性水平不僅與壤含水量( w ) 、鉀鈉離子濃度( k + na )和氯離子濃度( cl )呈顯著的正相關( p 0 . 05 ) ,還與壤中有機質( som ) 、全氮( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的遺傳多樣性水平與壤中有機質( som )和全氮( nt )含量呈顯著的正相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著(卜0 . 05 ) 。
  3. According to its cause and characteristics of landuse, we can classify such area into two typical areas : area with soil and water erasion and area with land desert

    根據其成因和西部地資源利用特點,可將西部地生態脆弱區劃分為兩種類型:水流失嚴重型生態環脆弱區和地沙化型生態環脆弱區。
  4. That fast - growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river

    在沙利用污水灌溉速生林,可固定沙丘,改良壤;改善生態環,實現污水零排放。
  5. The humankind is troubled seriously by a series of environmental problems, such as air pollution, ozonosphere destruction, glasshouse effect, acid rain, water pollution, land pollution and soil erosion and so on. all of these will stop our economy developing

    大氣污染、臭氧層破壞、溫室效應、酸雨頻繁、水污染、地污染、水流失、草原退化、森林急劇減少、珍稀動植物滅絕、沙急劇擴大等一系列環問題嚴重困擾著人類,各種公害接二連三地侵襲人類,再這樣下去,經濟將變成無源之水、無本之木。
  6. We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc

    貴州對喀斯特石化生態環進行了長期、持久的研究,為石化治理提供了堅實的理論基礎和有力的技術支撐,形成了具有中國特色的成功治理模式:包括小流域綜合治理模式,生態農業模式,退耕還林還草、林草結合的草、畜(禽)生產模式,草地畜教業模式,坡耕地防治水流失的坡改梯模式,環移民與開發式扶貧模式,典型脆弱生態環綜合治理模式等。
  7. The first geologic reason for degeneration of the eco - environment in the headwater area of the yellow river is that the increase of the recent geologic function caused desertification and grasslands resource decreased and underside changed, destroied the balance of water - air - heat in the area ; the second is that the water environment changes by the degradation and atrophy of frozen earth cause multilayer and synthesis cause of formation degeneration of the eco - environment ; the third is that the man and rats function accelerated degeneration of the eco - environment in the headwater area of the yellow river

    摘要黃河源區生態環惡化的地質原因之一是現代地質作用增強,形成以荒化為主的草地資源退化與下墊面改變,地區水氣熱平衡破壞;二是因凍退化、萎縮,引起水環變異,導致多層面與綜合成因的生態環惡化;三是人為及鼠類活動對源區生態環惡化起著推波助瀾的作用。
  8. Desertification of land has been a serious problem of global ecological environment and threatened the living environment and sustainable development of human being socienty

    地荒化是當前全球生態環中的一個嚴重問題,危及到人類社會的生存環和可持續發展。
  9. The environmental geological problems existing in the west liaohe plain involve desertification of land, salinization of soil, declining of groundwater level and pollution of groundwater

    摘要西遼河平原的環地質問題主要表現為地沙化、壤鹽漬化、區域地下水位元下降及地下水污染等。
  10. 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,提出了環地質問題的整治需科學合理地對沙地進行治理;加強鹽漬地的開發利用;合理利用地下水資源及切斷污染源。
  11. Desertization, land degradation in arid, semi - arid and dry sub - humid area, is one of the environmental problems concerned by human society. it has a direct relationship with the existence and development of mankind

    化即發生在乾旱、半乾旱及半濕潤乾旱地區的地退化,是人類社會普遍關注的環問題之一,與人類自身的生存和發展有著直接的關系。
  12. The mechanism about seed actual reproduction and artificial restoration under disturbance was investigated by using systematic sampling in the typical area of reaumuria soongorica population at mid - young age in desert grassland region, according to two similar habitate involved five different disturbance characteristics

    摘要2003年7 10月,選擇黃丘陵區荒草原地帶兩個相似生、 5個不同干擾特徵的中幼齡紅砂種群更新恢復類型區為研究物件,採用系統取樣法或樣行法,開展了干擾條件下的紅砂種群種子更新與恢復機理的初步研究。
  13. Such problems as desertification 、 soil erosion 、 debris flow 、 landslide 、 garbage disposal 、 changes in ecological and geological environment 、 dispose of radioactive nuke rubbish 、 protection of famous historic and cultural sites are researched in this field

    研究課題涉及到:沙化、水流失、泥石流、滑坡、垃圾填埋處理、生態和地質環的變遷、放射性核廢料的處理和名勝古跡的保護等。
  14. Landforms, soil, climate and characteristics of distribution in time and space in ningxia of draughts, disasters caused by wind and sand, floods and waterlodgging caused by hail, frost injury and earthquakes. the eighth chapter is on the relationships of environmental changing and the development of the agriculture and livestock husbandry in ningxia autonomous region which covers two sections : namely the historical processes of the human activities and the changing of the forests in ningxia, and the human activities and spreading of the deserts. the ninth chapter is a chapter that studies the regional divergence of the productivity level and the experiences and lessons of the development of agriculture and livestock husbandry

    下篇是寧夏農牧業發展等因素與環變遷的關系,這又包括三章:第七章是農牧業發展的自然條件,即地貌、壤、氣候,以及歷史時期寧夏旱災、風沙災害、水澇災害、雹災、霜凍災害、地震災害的時空分佈特徵;第八章是寧夏農牧業發展等因素與環變遷的關系,這包括人類活動與寧夏森林的變遷、人類活動與寧夏地沙化的歷史演進兩部分;第九章是寧夏南、北農牧業生產力水平的地區差異及農牧業開發的經驗教訓。
  15. 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。
  16. In terms of desertification prevention, water - soil erosion treatment, innovation of medium and lower - yield fields, the restoration and reconstruction of degenerate ecologic system, environmental pollution control, mariculture and marine medicine, they provide a batch of practical technology and mode

    在沙化防治、水流失治理、中低產田改造、退化生態系統恢復與重建、環污染控制等方面、海水養殖和海洋藥物等方面,提供了一批實用的技術和模式。
  17. Generally, karst rock desertification refers to the evolving process that leads to intense human - land conflict, destruction of vegetation, soil erosion, bare rock, failing productive forces of the land and the land surface appearing as desert from visual sense, because of the frail ecological environment formed by karst, and of the irrational social and economic activities of human beings

    喀斯特石化指在喀斯特脆弱生態環下,人類不合理的社會經濟活動,造成人地矛盾突出、植被破壞、水流失、巖石逐漸裸露、地生產力衰退喪失,地表在視覺上呈現類似於荒景觀的演變過程。
  18. Sandy desert soils

    砂質漠境土
  19. We analyzed the main eco - environmental problems in this area, which are desertification, soil salinization, and vegetation degeneration

    分析了塔里木盆地生態環的主要問題為沙化、地鹽漬化和植被退化。
  20. This research provides an analysis of the integrated mechanism of the emergence and expansion of the different types of desert lands, and compares this mechanism with the theory of ecotone. the paper discusses the relationship between ecological fragility and desertification. it concludes that with the environmental vulnerabilities, ecotone lands are easily desertified under the adverse human exploitation. because exploitation of the ecotone lands makes the environment more vulnerable, human should act to use the lands in a way compatible with the environment. the control of desertification is also discussed

    在聯合國對荒化定義的基礎上,分析了各種類型荒地形成發展的綜合機理和環的脆弱特徵,並聯系生態脆弱帶理論闡釋了生態脆弱性和荒化發展的關系,認為地的脆弱性是荒化的基質,人類不合理的開發是荒化的誘因,而荒化進一步使環更加脆弱。最後給出了荒化治理的措施和建議。
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