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地球全体の樹木回復の可能性

Jean-Francois Bastin1, Yelena Finegold2, Claude Garcia3,4

  • 1Crowther Lab, Department of Environmental Systems Science, Institute of Integrative Biology, ETH-Zürich, Zürich, Switzerland. bastin.jf@gmail.com.

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まとめ
この要約は機械生成です。

地球規模の樹木再生は 気候変動の強力な解決策となり 20億5千万トンの炭素を 貯蔵できる90億ヘクタールの 新しい林冠を 形成する可能性があります 気候変動が 2050年までにこの可能性を縮小させる恐れがあるため,緊急の対策が必要である.

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科学分野:

  • 環境科学
  • 気候変動の緩和
  • エコロジー

背景:

  • 樹木の回復は 気候変動を緩和するための 重要な戦略です
  • 効果的な気候変動対策には 森林の潜在的覆い面を理解することが不可欠です
  • 気候変動の影響は 森林の将来的な土地の適性に影響を及ぼすと予測されています

研究 の 目的:

  • 樹木の覆い面の拡大の可能性をマッピングする.
  • 復元された森林の炭素貯蔵能力を定量化する.
  • 気候変動が将来の樹木覆い面に与える影響を評価する.

主な方法:

  • 現在の気候条件下での潜在的樹木覆面のグローバルマッピング
  • 既存の森林,農業,都市部を除外する.
  • 予測される気候変動のシナリオの下での将来の潜在的な樹木の覆いをモデル化すること.

主要な成果:

  • 現在の気候では44億ヘクタールの 覆い面が広がる可能性があります
  • 20億9千万ヘクタールが 再生可能で205ギガトンの 炭素を貯蔵できます
  • 気候変動により,特に熱帯では2050年までに,地球上の2億2,300万ヘクタールの 植林面積が減少する可能性があります.

結論:

  • 地球規模の樹木回復は 気候変動の緩和に 有意義で効果的な解決策です
  • 気候変動が適した地域を 減少させる前に 樹木の回復の可能性を 十分に発揮するためには 即座に行動が不可欠です
  • この発見は気候目標の樹木回復を 活用する二重の機会と緊急性を強調しています