旱澇演替 的英文怎麼說
中文拼音 [hànlàoyǎntì]
旱澇演替
英文
xerasium- 旱 : Ⅰ名1. （沒有降水或降水太少） dry spell; drought 2. （非水田的; 陸地上的） dryland 3. （陸地交通） on land Ⅱ形容詞（乾旱） dry; arid
- 澇 : Ⅰ動 （受淹; 淹） inundate; waterlog Ⅱ名詞（因雨水過多而積在田裡的水） water logging
- 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
- 替 : Ⅰ動詞1 （代替） replace; substitute for; supply [take] the place of 2 [書面語] （衰敗） decline Ⅱ...
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The disaster of drought and waterlog is severely and frequently, the water and soil loss and rock desertification is increasing, the subsidence is happened at some ground, the bio - diversity decrease, the vegetation and soil evolve conversely, the productivity declines, the people lives in difficulty, and the most phenomenon and types of ecological problem are concentrated in karst area. to strengthen studies on karst ecological characteristics and degradation types can provide gist for ecological rehabilitation and reconstruction in karst area, but also can provide means for reference for other ecology area
嚴重而頻繁旱澇災害、水土流失、石漠化現象加劇、地面塌陷、生物多樣性喪失、植被與土壤出現逆向演替、生產力水平降低、人居生活困難等，集中了全球生態問題的主要表現和主要類型；因此，加強對巖溶區生態特徵和退化類型的研究，不但能為巖溶區生態的恢復和重建提供依據，也為其它生態區的研究提供方法借鑒。
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