natural meadow 中文意思是什麼

natural meadow 解釋
天然草地
  • natural : adj 1 自然界的;關于自然界的。2 天然的;未開墾的;野生的。3 固有的 生來的 天賦的(opp acquired)...
  • meadow : n. (特指割制乾草用的)草地,草原;(河邊)低草地。 a floating meadow 易澇牧場。 meadow ore 冶鐵礦。 meadow soil 草甸土。
  1. The average of shannon - wiener diversity index was 1. 5481 in typical steppe abandoned land, which was only 55 % of natural grassland, while it was 1. 3492 in meadow steppe abandoned steppe

    典型草原撂荒地shannon - wiener多樣性指數的平均值為1 . 5481 ,是天然草地的55 ,草甸草原帶撂荒地shannon - wiener多樣性指數的平均值為1 . 3492 ,是天然草地的50 。
  2. The decrease in area of meadow grassland and temperate grassland with high production vs. increase in area of desert grassland with low production indicated a dramatic degradation of the grassland in north china and the overwhelming impacts of human activities superimposed on the natural grassland ecosystem

    草甸草原面積亦呈逐年減少的趨勢,從1987年的1103km ~ 2減少到2000年375km ~ 2 ,面積減少了65 . 9 。優質高產草原類型面積的減少,以及荒漠類低產劣質草原面積的增加,預示我國北方優良天然草場資源正在急劇退化。
  3. There was a small natural meadow there, through which flowed a stream.

    那裡有一小片天然草坪,一道溪水流貫其中。
  4. Denitrification in the degraded meadow soil is higher than that in the natural meadow soil

    高寒草甸土壤中溶有機磷細菌的數量高於溶無機磷細菌的數量。
  5. Results show that qaidam mountain desert region has the highest average ecological risk value 4. 2585, followed by guoluonaqu alpine scrub meadow region 2. 7640 and qinghai and qilian mountain steppe region 2. 7335 among these ecosystems alongside qinghai - xizang highway and railway through six natural regions. as far as land cover types are concerned, the top three ecological risk values appear in the needle - leaved forest 4. 3096, desert ecosystem 4. 1174 and land without vegetation 3. 6182 respectively, which are higher than those in the other seven land cover types in the study site

    評價結果顯示:青藏公路鐵路沿線生態系統所跨越的6個自然區的平均生態風險值居前3位的是:柴達木山地荒漠區4 . 2585 ,果洛那曲高寒灌叢草甸區2 . 7640青東祁連山地草原區2 . 7335沿線10種植被生態系統平均生態風險值居前3位的是:針葉林生態系統4 . 3096荒漠生態系統4 . 1174和無植被地段3 . 6182 。
  6. Mechanize technology and related machines of make up for sow and mend on the natural meadow

    天然草地機械化補播改良技術及配套機具
  7. Adopting the miami model, the paper evaluates the productive potentialities of natural pasture and evaluates the capacity of natural pasture, manual meadow, crops straw and agricultural byproducts

    運用邁阿密模型估算了天然草地的生產潛力。對天然草地、人工牧草、作物秸稈及農業加工副產品的承載力做了估算。
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