steppe scrub 中文意思是什麼

steppe scrub 解釋
乾草原灌叢
  • steppe : n. 1. 乾草原。2. 〈the Steppes〉 （尤指東南歐或西伯利亞的）草原地帶。
  • scrub : vt vi （ bb ）1 用力擦洗，擦凈；擦洗（地板等），擦去（污斑）等；用力摩擦。2 【化學】（使）（氣體...
  1. 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 。
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