prairie vegetation 中文意思是什麼
prairie vegetation
解釋
草原植被- prairie : n. 1. （特指美國中西部的）大草原。2. 牧場，草原地帶。3. 〈美方〉林中空地。
- 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
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( 5 ) since 3100 ab. r, through comprehensive analysis of these proxy climatic substitute indexes indicates : this was a dry and cold period in which the temperature fell the precipitation decreased ; the vegetation may be forest prairie ; human civilization further developed and the human " s influence on the environment was greater in intensity and wider in range
今，綜合多氣候代用指標和本期人類活動明顯加強情況的分析表明：本期氣候再次出現溫度降低、降水量減少的變化，在趨于乾冷氣候條件下，在前期氣候較適宜期發育的森林植被發生了退化，當時的植被可能為森林草原或乾草原。 -
( 3 ) 6000 - 5000ab. p, through comprehensive analysis of these proxy climatic substitute indexes indicates : this was a dry and cold period in which the temperature was the lowest and the precipitation was the least ; the vegetation may mainly be forest prairie ; in the early stage of the period appeared yangshao middle culture - the prosperous culture of miaodigou type, and in the late stage there was yangshao late culture - the culture of xiwang village type
P出現了老官臺文化，中後期即本區老官臺文化之後，出現了仰韶早期文化。門） 6000 5000ab p ，綜合多氣候代用指標的分析結果表明：本期氣候為全新世以來溫度最低、降水量最少的最乾冷時期，在這種乾冷氣候條件下，在前期氣候最適宜期發育的森林植被發生了退化，當時的植被可能以森林草原為主。 -
The thesis draws the following conclusion : ( 1 ) 11500 - 8500ab. p., through comprehensive analysis of these proxy climatic substitute indexes reveals : this was a period in which the temperature risen and the precipitation increased, but it was mainly still dry and cold ; the vegetation was prairie or forest prairie ; there were flood deposits in the dust sediments of late stage ; and it was the shifting period from the new stone age to the old stone age
主要得到以下幾方面的認識： （ 1 ） 11500 8500ab . p . ，綜合多氣候代用指標分析的結果表明：本期氣候表現為溫度升高、降水增大的好轉時期，但總體上仍以乾冷為主；結合很少發現較粗顆粒木炭屑的情況推斷當時的植被是草原或森林草原；研究發現在後期粉塵沉積過程中有洪流沉積。 -
Meanwhile, the simple production methods not only waste resources but also damage the prairie vegetation. excessive grazing gradually changes the formerly native hulunbeier prairie into patches of desert
與此同時，簡單的生產方式不僅造成了資源的浪費也破壞了草原的植被，過度的放牧使曾經是一片凈土的呼倫貝爾大草原逐漸沙塵漫天。
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