草原土壤 的英文怎麼說

中文拼音 [cǎoyuánrǎng]
草原土壤 英文
prairie soil
  • : Ⅰ名詞1 (草本植物的統稱) grass 2 (指用作燃料、飼料等的稻、麥之類的莖和葉) straw 3 (草稿) dra...
  • : Ⅰ形容詞1 (最初的; 原來的) primary; original; former 2 (沒有加工的) unprocessed; raw Ⅱ動詞(原...
  • : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
  • 草原 : grasslands; steppe; prairie
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同地利用方式巖溶肥力為重點,對不同地利用方式肥力特徵進行量化分析,找出巖溶肥力差異的主要方面及其根本因,論文主要從剖面物理退化指標(有效層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地微生物指標(細菌、真菌、放線菌數量及總量)以及樣地種子庫植物群落多樣性等4個方面對重慶典型巖溶區的肥力特徵進行了較為詳細的分析研究,為巖溶地區士資源的合理利用及結構的調控管理提供依據。
  2. Characteristic of moisture and salt dynamic in saline - alkalized grassland of songnen plain during thawing period

    松嫩平鹽堿化地消融期水鹽運移特徵
  3. Vegetation dynamics and soil characteristics of different period abandoned land was conducted in typical steppe at xilinguole league and meadow steppe at hulunbeier league, inner mongolia. the results showed : the function community of annual plants, perennial rhizornatous grasses and perennial rosette grasses were appeared at different succession stage of abandoned land in typical steppe and meadow steppe

    本試驗分別在內蒙古錫林郭勒盟典型帶和呼倫貝爾盟帶對不同撂荒年限的撂荒地植被動態及特性進行了研究,目的是探討區撂荒地植被演替的規律,為撂荒地植被的重建提供理論依據。
  4. Gley soils are typical of tundra, meadows, and boggy areas

    該種是苔地以及沼地所特有的。
  5. The grassland soils are generally the most productive.

    草原土壤通常都是最肥沃的。
  6. The shovelfuls of loam, black as et, brought there by the river when it was as wide as the whole valley, were an essence of soils, pounded champaigns of the past, steeped, refined, and subtilized to extraordinary richness, out of which came all the fertility of the mead, and of the cattle grazing there

    一鏟一鏟的黑,像墨玉一樣漆黑,是在河流還同山谷一樣寬闊時被沖到這兒的,它們是的精華,是過去被打碎的野經過浸泡提煉,才變得特別肥沃,從這種里又長出豐茂的牧,喂養那兒的牛群。
  7. Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %

    摘要在分析黃地區的溝沿線、溝沿線上下溝間地和溝谷地侵蝕特徵、小流域泥沙來源、坡溝侵蝕產沙關系的基礎上,結合廊道的生態功能和以往的研究結果,認為在溝沿線的上部建立灌與整地工程措施相結合的植物廊道,來攔蓄阻截溝間地的來水來沙,可使流域的侵蝕量減少54 . 5 % ~ 77 . 0 % 。
  8. The research of soil degradation in pur country is mainly concentrated on the red earth hilly area in the south in the past, and is less on the loess plateau that is one of the most fragile areas. based on field experiment and laboratory analysis, discuses the degradation mechanism, and raises the methods of refreshing and reestablishing land productivity of huangshan soil in chunhua county of shaanxi. in the hope of serving development of western regions and ecological environment construction that concede the land to forestry ( the grass )

    我國以前對退化問題的研究主要集中於南方紅丘陵區,對生態環境最脆弱的黃地區的退化研究相對較少,故本文以黃地區陜西淳化縣的侵蝕性黃?為對象,通過野外人工模擬降雨試驗和室內分析相結合的方法,探討了侵蝕性黃?的退化機理,提出了恢復和重建黃?地生產力的途徑和方法,以期服務于西部大開發和退耕還林()的生態環境建設。
  9. Results demonstrated that increases in biomasses of butachlor - degrader in crops rhizosphere soils were the principal cause of facilitations of butachlor degradation, and biomasses of butachlor - degrader varied markedly among various crops rhizosphere soils and resulted in the difference in facilitations of butachlor degradation among various crops

    根際中了胺降解菌塵物量的提高是丁浙江人學幀卜學位論義4胺加速降解的主要回,不同作物恨際上中丁胺降解菌生物量的差異導致對丁胺降解促進程度不同。
  10. Effects of grazing on soil microorganisms and their seasonal changes in desert steppe

    放牧對荒漠草原土壤微生物的影響及其季節動態研究
  11. Management of soil moisture for desert steppe vegetation rehabilitation in western loess plateau

    西部荒漠植被恢復的水分管理研究
  12. Changes of soil physical and chemical properties in sandy desertification on the duolun prairie

    多倫草原土壤理化性質在沙漠化過程中的變化
  13. The new era began ; the king was tried, doomed, and beheaded ; the republic of liberty, equality, fraternity, or death, declared for victory or death against the world in arms ; the black flag waved night and day from the great towers of notre dame ; three hundred thousand men, summoned to rise against the tyrants of the earth, rose from all the varying soils of france, as if the dragon s teeth had been sown broadcast, and had yielded fruit equally on hill and plain, on rock, in gravel, and alluvial mud, under the bright sky of the south and under the clouds of the north, in fell and forest, in the vineyards and the olive - grounds and among the cropped grass and the stubble of the corn, along the fruitful banks of the broad rivers, and in the sand of the sea - shore

    三十萬人的大軍為抗擊全世界的暴君響應號召從法蘭西各地猛然崛起,彷彿田野上遍撒了,結滿了果實:從山上也從平上從巖石上,也從碎石上和沖積上在南方明朗的天空之下,也在北方積雲的天空之下從丘陵里,也從森林里從葡萄園,也從橄欖地在剪過的地上,也在氣過的莊稼地上沿著廣闊的河流的結著果實的河岸,也沿著海岸的沙灘,到處都結出了的果實。
  14. While part of this land is later used for highly productive tree crop agriculture ( oil palm, rubber, cocoa ), about 200, 000 ha end up every year as anthropic savanna, dominated by the noxious grass imperata cylindrica ( alang alang )

    其中部分后來開發為生產力較高的經濟樹種農用地(油棕櫚、橡膠、可可) ,而每年大約20萬公頃則變成受人為活動影響的熱帶稀樹,主要由毒白茅(又名印度白茅)組成。
  15. The middle and lower parts of woodland and grassland had higher soil water contents during rainy season, which resulted from smaller evapotranspiration and more infiltrated water with a lower gradient. however, upslope runoff infiltration was another reason for hillslope with a lower cover ratio, such as bare land

    雨季林地坡中下部水分含量較高的因,可能主要與其蒸散較小且坡度較緩導致入滲水量較多有關;但是對于植被覆蓋度較低的坡地(如裸地) ,坡中下部水分含量較高還與上方來水有較大的關系。
  16. Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers

    發展了「水分背景」的概念,並以之為基礎對其各個方面進行了研究,使之形成一個相對獨立和完整的體系,主要包括黃水分的背景值、水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等: ( 1 )由於植被生長發展、演替的基礎階段是天然被群落,故認為黃水分背景在概念上是特指該區天然被群落下的水分狀況; ( 2 )黃水分背景值,根據植被地帶的不同表現出自南向北逐漸降低的規律:森林地帶3米以下層水分背景值普遍穩定地高於12 ,森林地帶4米以下層水分背景值穩定大於6 ,且均隨層的加深水分含量逐漸增加,而帶的水分背景值自表至底層一直在4 6之間徘徊。
  17. 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:高山寒漠甸帶、高山甸帶、高山灌叢甸帶、山地森林帶、山地帶和山地荒漠帶,有交替分佈的地段。
  18. Based on the serious shortage of soil moisture, soil aridity and vegetation recession in this region, the following issues are studied in this dissertation : ( 1 ) the meaning of soil water and its role in the water circulation ; ( 2 ) soil water deficit and its influence to vegetation growth ; ( 3 ) the definition of soil dried layer and the causes of its formation ; ( 4 ) soil dried layer distribution and characteristics in north of shaanxi loess plateau ; ( 5 ) the primary study of measurable index of soil dried layer

    本論文主要針對黃水分嚴重虧缺現狀以及因之而形成的干化和林植被衰退現象,主要對以下幾方面的問題進行了研究: ( 1 )水分的意義及其在生態系統水分循環過程中的作用; ( 2 )林植被水分虧缺狀況及其對植被生長的影響; ( 3 )干層的涵義及成因分析; ( 4 )陜北黃干層的分佈及特徵; ( 5 )干層的量化指標初步研究。
  19. Approximately 20 million ha are presently abandoned to savanna on predominantly poor nutrient status acid soils

    到目前為止,約有2000萬公頃已棄荒成為熱帶稀樹酸性,養分極少。
  20. In the weihe valley, the environmental effect of the summer monsoon on the south is much stronger than that on the north in the holocene megathermal, which is result forming deferent structure of paleosoil ( so ) at the mjy - a site and the wsc site : at the mjy - a she, the paleosoil ( so ) belongs to typical semiarid grasslands soil - heilu soil with apb - ah - bk - c soil sectional structure ; at the mjy - a site, the paleosoil ( so ) belongs to typical semi7humid forest soil - brown soil with ah - b1 - ck - c soil sectional structure

    具體表現在合水與戶縣大暖期強成階段形成的古( s 。 )剖面構型上:北部古為典型的半乾旱草原土壤一黑爐,具有apb叭hek (剖面構型:南部戶縣剖面古( s 。 )為典型的半濕潤森林一褐,其so具有ah bt ck c會面構型。
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