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1月20日外媒科学网站摘要:极端干旱将变得更加频繁、严重和广泛
研究表明,特大干旱的加剧趋势十分明确,但其对地球生态系统的长期影响仍不完全清楚。当前的数据已显示泛北极地区的广泛绿化。然而,在长期极端缺水的情况下,热带和北方地区的树木可能面临死亡,生态系统的复原能力可能受到严重挑战。尤其是北方植被,可能需要更长时间从气候灾难中恢复。
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