窪地土壤 的英文怎麼說
中文拼音 [wādetǔrǎng]
窪地土壤
英文
bottomland soil-
Erodible soil fractions are usually dislodged from projections and trapped in depression.
可沖蝕土壤部分經常從凸出物剝蝕並降落於窪地。The research include : 1 ) measuring co2 concentration in the soil air and vegetation air by using co2 measuring instruments ; 2 ) measuring the releasing rate of co2 coming from soil surface by using alkaline absorbing method ; 3 ) measuring the hydrochemical indexes of soil water. the research results are as follows : ( 1 ) the author has made field observation of depth distribution of soil air co2 in the mt. jinfo karst experiment site. the results show that two concentration gradient, soil to atmosphere and soil to carbonate rock, are form
本次實驗以典型的亞熱帶巖溶分佈區?金佛山自然保護區為例，選擇了巖溶窪地內的高山草甸和靠窪地邊緣地帶的方竹林、裸地以及石林內的喬木林4個樣地，對土壤co _ 2濃度空間分佈規律以及晝夜動態和日動態變化狀況進行了觀測，獲得了如下新的認識： （ 1 ）土壤中co _ 2濃度分佈的觀測結果表明，土壤中具有土壤-大氣、土壤-碳酸鹽巖兩個方向的co _ 2濃度梯度。
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