自然が人間に与える貢献のグローバルモデリング
Rebecca Chaplin-Kramer1,2, Richard P Sharp3, Charlotte Weil3
1Natural Capital Project, Woods Institute for the Environment, Stanford University, Stanford, CA 94305, USA. bchaplin@stanford.edu.
まとめ
地球規模での変化は 清潔な水や受粉などの 基本的なサービスを 提供する自然の能力を脅かしています 将来のシナリオでは 何十億もの人々が リスクの増大に直面しますが 持続可能な開発は これらの影響を大幅に軽減できます
科学分野:
- 生態系サービスの評価
- グローバル環境変化モデリング
- 生物多様性と人間の福祉
背景:
- 自然が人間に与える貢献を 迅速に評価する必要があるのです
- 重要な生態系サービスには,水質の規制,沿岸部の保護,作物の受粉が含まれます.
研究 の 目的:
- 世界的に重要な生態系サービスの現状と将来のシナリオをモデル化します.
- 土地利用と気候変動が自然に与える影響を評価する.
- 持続可能な開発による潜在的なリスク削減を定量化する.
主な方法:
- エコシステムサービス提供の 細かいスケールのグローバルモデリング
- 土地利用と気候変動の影響に関するシナリオ分析
- 人間のニーズと 自然の能力の比較です
主要な成果:
- 人間のニーズを満たす 自然の能力は 需要が最も大きいところでは 減少しています
- 約50億人が水汚染と 授粉不足に直面する可能性があります
- 何百万人もの人々が 沿岸部で危険にさらされています
結論:
- 生物多様性の継続的な喪失は 人々の幸福を脅かしています
- 持続可能な開発シナリオは リスクを3倍から10倍に減らすことができます
- 将来の世代のために生態系サービスを確保するには,緊急の行動が必要です.
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