水下草本群落 的英文怎麼說

中文拼音 [shuǐxiàcǎoběnqún]
水下草本群落 英文
submersiherbosa
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : 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 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
  • : Ⅰ名詞(聚在一起的人或物) crowd; group Ⅱ量詞(用於成群的人或物) group; herd; flock
  • : 落名詞[方言] (北方對蓮花落的俗稱) a kind of folk song
  • 草本 : herbaceous; herbal草本植物 herb; herbage; herbaceous plant
  • 群落 : community; cenosis; coenosis; coenosium; duriherbosa; coen
  1. Based on the achievement of related previous studies on this issue and the unsolved problems, here three aspects are concentrated in this dissertation for the issue. they are : study on the variation law of soil water and soil nutrients " background and productivity of the artificial locust woodland in northern shaanxi province ; the characters of the communities restoration and soil properties change of different barren grassland in loess plateau. the objectives are approached both by field survey and lab analysis

    研究針對黃土高原分生態環境研究的現狀,黃土高原的生態建設和植被恢復中存在的問題,主要致力於以幾個方面的研究:陜北黃土高原不同立地條件人工刺槐林土壤分與土壤養分背景和生產力關系研究;黃土高原退耕地不同撂荒年限地的動態與土壤性質演變分析。
  2. 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,研究採用動態室紅外氣體吸收法測定松嫩原典型? ?貝加爾針茅土壤呼吸速率,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生物量與土壤呼吸速率之間的相關關系。
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