針茅草 的英文怎麼說

中文拼音 [zhēnmáocǎo]
針茅草 英文
needlegrass
  • : Ⅰ名詞1 (縫衣物用的工具) needle 2 (細長像針的東西) needle like things 3 (針劑) injection; sh...
  • : 名詞1. [植物學] (白茅) cogongrass2. (姓氏) a surname
  • : 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...
  • 茅草 : twitch-grass; thatch; couchgrass茅草把 gavel; 茅草屋 banda [中非]; 茅草檐 eave
  1. But so far, there have not report about forest soil microbe and soil enzymatic activity in westen sichuan. the study ' s object is bitch forest. spruce forest, fir forest, chrysanthemum alp, willow community and two couch grass, so the research of the soil microorganisma, soil enzymatic activity in the subalpine coniferous forests in western sichuan is significant to china. the result shows that : 1. in the soil, the relativity of the soil microbial puantity is very prominence, the relation with the quantity of the soil microorganism is that : bacillus > actinomyceto > fungi ; the amount of the microorganism of physiological group sequence ranging from high to low is : aminate > bacteriumazotobacter > denitrify bacterium > nitrobacteria > cellulose decomposing bacteria. under the different vegetable community, the microbial quantity is that : s5 > s7 > s6 > s1 > s2 > s4 > s3

    其中,各群落中土壤微生物總數以白樺純林( s5 )群落最多,每克干土中的含菌量達66 . 13 10 ~ 6個;其次是冷杉葉林( s7 )群落,每克干土中的含菌量達43 . 41 10 ~ 6個:第三是雲杉葉林( s6 )群落,每克干土中的含菌量達42 . 85 10 ~ 6個;第四是繡線菊-群落( s1 ) ,每克干土中的含菌量達33 . 83 10 ~ 6個;第五是高山柳群落( s2 ) 、( s4 )群落,每克干土中的含菌量分別為33 . 33 10 ~ 6個和33 . 08 10 ~ 6個;第六是群落( s3 ) ,土壤微生物數量最少每克干土中的含菌量僅為23 . 12 10 ~ 6個。
  2. Prairie grassland accounts for thirty percent of the total area. level and boundless, aneurolepidium, needlegrass and wheatgrass mainly grow there. it has a high quality herbage, making it good pastureland

    又稱高平原原,約占呼倫貝爾原總面積的30 % ,地勢平坦,一望無垠。主要種有鹼、冰,牧質量高,是牛羊最理想的放牧地。
  3. The great bustard selects the areas with abundant plant species. higher vegetative cover score. smaller proportion of bare area and taller plants to display on postfire grasslands ; the important factors that influence the great bustard to selection display fields are the proportion of hay, stipa baicalensis density and the thickness of hay on unburing grassland

    在火燒地,大鴇會選擇植物種類數較多、蓋度較大、裸地比例較小及植株相對較高處進行求偶炫耀;在非火燒地,枯比例、貝加爾密度及枯厚度是影響其求偶場選擇的重要因素。
  4. Leymus chinensis and stipa grandis are dominant species with a wide distribution in the inner mongolian steppes

    和大是內蒙古典型原地帶性分佈的優勢種。
  5. Compared to stipa bungeana grassland and fallow ground, the volume weight was smaller, total porosity and capillary porosity were higher, but non - capillary porosity was lower. 2. achnatherum splendens height increased slow in the initial stages, fast from june to august and slow again after that

    芨芨地土壤容重較本氏針茅草地和裸地小,各層的總孔隙度和毛管孔隙度明顯高於本氏針茅草地和裸地,但非毛管孔隙度較本氏針茅草地和裸地低。
  6. The fructan and starch contents of l. chinensis were 3. 2 and 3. 6 times respectively those of s. grandis

    地下器官碳水化合物的含量顯著高於大,其果聚糖和澱粉含量分別是大的3 . 2和3 . 6倍。
  7. The results showed that the carbohydrate components in below ground organs of both l. chinensis and s. grandis included fructan, sucrose, glucose, fructose, mannitol and starch

    結果表明,羊和大地下器官的貯藏性碳水化合物的組分主要包括果聚糖、蔗糖、葡萄糖、果糖、甘露醇和澱粉。
  8. The seasonal changes of total carbohydrate, soluble carbohydrate, starch, mannitol and fructan in the below ground organs of both species showed the same ' down - up - down - up ' trend

    5月20日10月15日,羊和大地下器官中的碳水化合物總量、可溶性碳水化合物含量、澱粉含量、甘露醇含量和果聚糖含量均表現出「降低升高再降低再升高」的特徵。
  9. Mechanism of degradation succession in leymus chinensis stipa grandis steppe community

    針茅草原群落退化演替機理的研究
  10. In the paper, the ecophysiological characteristics of achnatherum splendens, the effects of water and fertilizer on it and a comparative research to other grass were studied, which provided scientific basis on utilization and exploitation of achna therum splendens

    本文研究了在黃土高原大面積生長的優良禾本科牧?芨芨的生理生態特性、水肥因子對它的影響以及同其它兩種牧(本氏和厚穗冰)間的比較,為芨芨的開發利用提供科學依據。
  11. Characteristics of spatial distribution for the main populations of scarabaeoideal larvae in stipa grandis steppe

    針茅草原蠐螬群落主要種群空間分佈特徵研究
  12. The study of different deteriorated grasslands showed, although occurring genetic differentiation and reduced genetic diversity, biodiversity in deteriorated population can still maintain a high level. additionally, it had gene exchanges with normal populations. the deteriorated grassland can restore its vegetation as normal if rational management was adopted

    不同退化系列,克氏種群雖發生了遺傳分化,遺傳多樣性略有降低但仍維持較高的水平,且與正常地間有基因流,只要採取合理的地利用措施,減輕放牧壓力,退化地即可恢復,若採取人工補播正常種群種子,將會加快退化種群的恢復進程。
  13. To understand the characteristics of carbohydrate storage of perennial grasses, we analyzed the content and seasonal dynamics of carbohydrate components in below ground organs of l. chinensis and s. grandis using high performance liquid chromatography

    為了研究原植物碳水化合物貯藏特性,採用高效液相色譜技術對羊和大的貯藏性碳水化合物的種類組成及季節變化進行了測定。
  14. Stipa krylovii is a major component of typical steppe vegetation. it is a perennial, thicket, xerophytic bunch grass, with a high drought resistance

    克氏為多年生密叢型旱生本植物,是亞洲中部典型原的主要建群種。
  15. The highest biomass of aneurolepidium dasystachys appeared in august, while that of stipa bungeana appeared in may. the sequence of the highest biomass per area was : aneurolepidium dasystachys } achnatherum splendens } stipa bung

    7 、對照牧厚穗冰於8月份生物量達到高峰,本氏則於5月份達到高峰期。
  16. Effect of mowing systems on composition of stipa grandis community in inner mongolia steppe

    不同輪割制度對內蒙古大針茅草原群落組成的影響
  17. Study on community characteristics and community diversity in stipa steppe of qinghai lake region

    青海湖區針茅草原植物群落特徵及群落多樣性研究
  18. Influence of seasonal distribution of precipitation on primary productivity of stipa krylovii community

    降水量季節分配對克氏針茅草原群落初級生產力的影響
  19. At the same time, the carbon cycle at mid - latitudes of north hemisphere still remains unknown, which leads people to nowhere in gaining a deep understanding of the mechanism of global change. in xilin river basin, inner mongolia, which is right located at the mid - latitudes of north hemisphere, the high speed of social - economic development shows high rate and strong intensity to land use / land cover change in the past two decades. in this paper, remote sensing, gis and ecological modeling techniques were combined to study the land use / land cover change and carbon cycle of xilin river basin

    文章首先對內蒙古錫林河流域四個時期的landsattm / etm +影像進行土地利用/土地覆蓋分類、成圖;通過對比,分析了錫林河流域近20年的來的土地利用/土地覆蓋變化;並進一步運用gis方法研究了錫林河流域地退化的演化路徑;最後運用century模型模擬了內蒙古錫林河流域大針茅草原、羊原的碳循環過程,繪制了其碳循環模式圖;並進一步分析了錫林河流域典型原生態系統對大氣碳庫的源/匯功能。
  20. The community productivity, structure and succession are significantly influenced by global climate changes. this study focused on soil respiration rate of stipa baicalensis grassland by using dynamic infrared gas absorbed method. we analyzed diurnal pattern of soil respiration rate and the influences of surface soil temperature and water content for this parameter, then compared the differences between day and night soil respiration rates, and explored the correlations between aboveground and underground biomass with the soil respiration

    溫帶的半乾旱、半濕潤區原屬于過渡氣候影響下形成的植被類型,對環境氣候條件變化十分敏感,為了揭示半乾旱、半濕潤區原生態系統土壤碳素釋放規律及其對主要環境因子的響應,本研究採用動態室紅外氣體吸收法測定松嫩原典型群落? ?貝加爾群落土壤呼吸速率,分析了土壤呼吸速率日變化規律及表層土壤溫度和含水量對土壤呼吸速率日變化的影響,比較了土壤呼吸速率的晝夜差異,探討了地上生物量和地下生物量與土壤呼吸速率之間的相關關系。
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