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国連砂漠化対処条約

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Global distribution of dryland areas based on the aridity index computed over a 30-year average during 1981 to 2010. Typical deserts are indicated by the hyper-arid category (light yellow).[1]

砂漠化のメカニズムと世界的影響土地劣化を防ぐための挑戦

砂漠化土地劣化サヘル地域気候変動
2026年8月11日続きを読む →