干ばつからの回復のグローバルパターン
Christopher R Schwalm1,2, William R L Anderegg3, Anna M Michalak4
1Woods Hole Research Center, Falmouth, Massachusetts 02540, USA.
Nature
|August 11, 2017
まとめ
干ばつから回復する時間は生態系の健康に不可欠で 主に気候と炭素循環のダイナミクスに依存しています 回復は熱帯地域や北緯度の高い地域で最も遅いもので,昨世紀には干ばつの影響が増加していることが観察されています.
科学分野:
- エコロジー
- 気候科学
- 炭素循環に関する研究
背景:
- 旱は地球規模の生態系と 土地の炭素吸収に 大きな影響を与える 極端な気候現象です
- 干ばつ後の生態系の回復時間を理解することは 将来の土地の炭素動態を予測する上で 極めて重要です
- 干ばつ状態の世界的な傾向は不明だが,21世紀には干ばつ頻度と重度の増加が予測されている.
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