vegetation period vegetation study 中文意思是什麼
vegetation period vegetation study
解釋
植被研究- vegetation : n. 1. 【植物；植物學】營養體生長，發育；〈集合詞〉植物，植被，植生，草木。2. 無所作為的生活，單調的生活。3. 【醫學】贅生物，增殖體。adj. -al
- period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
- study : n 1 用功，勤學；〈常 pl 〉學習；研究 （of）; 研究對象；研究項目；值得研究的問題；學問，學業，學科...
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Thermal, precipitation and humidity affected vegetation types and it ' s distributing, while vegetation types choosing terrene - ecosystem. as the drive power will change along with different space - time scale, we must base on specifically district and period, when study on the drive power of terrene - ecosystem development
熱量、降水和濕度決定著地表植被類型及其分佈，植被類型決定著陸地生態系統，而促成地球陸地生態系統演變的驅動力隨著時空尺度的不同會有變化。 -
The study also reveals the relationship between pasture ' s growth period, yield and their relation to weather factors and the evolvement characters of grassland vegetation under the background of drought climate, and refers to the main factors of the influence on grass - turn - green period as water condition in qinghai lake areas, and the main factors as the quantity of heat in the southern area of qinghai. because of the drought in the " three rivers source area ", the growing season is shortening and the production of the grass is decreasing clearly
揭示了牧草生育期、產量以及群體結構與氣象因子之間的關系和氣候乾旱化影響下草場植被的演變特徵，提出了影響環湖地區牧草返青期的主要因子是水分條件，影響青南地區牧草返青的主要因子是熱量條件， 「三江源」地區由於氣候乾旱化，導致牧草生長季呈縮短趨勢，牧草產量明顯下降。
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