生態系サービス価値の不確実性を解明する:生態学的特徴に焦点を当てた革新的なプロトコル
Yanzhong Yao1, Changgeng Jia2, Yiting Xue3
1College of Resources and Environment, Southwest University, Chongqing, 400715, China.
Journal of environmental management
|August 20, 2025
まとめ
生態系の特徴は,生態系サービス価値 (ESV) の評価に大きく影響する. これらの不確実性を理解することは 効果的な長期的な生態系管理と保全戦略に不可欠です
科学分野:
- 生態系サービスの評価
- 環境経済学
- 生態モデリング
背景:
- 生態系サービス価値 (ESV) の評価は増加していますが,生態学的特徴による不確実性は未十分です.
- 限定的な研究は,ESV評価の不確実性に対する生態学的特徴の影響を定量化することに焦点を当てています.
研究 の 目的:
- 中国における重要な生態学的特徴 (2000-2020年) に起因するESV評価における不確実性を把握するための新しいプロトコルを作成する.
- 不確実性分析をESV評価の枠組みに統合し,生態学的特徴の影響を分析する.
主な方法:
- 生態学的特徴に関連したESVの不確実性を定量化するための新しいプロトコルを開発しました.
- ESV評価の枠組みの中で不確実性の分析を適用した.
- 2000年から2020年までの中国のデータを分析した.
主要な成果:
- ESVの評価は,環境特性を考慮したにもかかわらず,3716.27億円から3772.00億円まで堅調でした.
- ESVの不確実性は最初の10年で1.69%減少したが,第2の10年で5.64%増加した.
- 東部の地域と比較して西部の地域では ESV の不確実性が高く見られた.
結論:
- 生態学的特徴,特に純一次生産性は,ESVの評価における不確実性を大きく引き起こす.
- 主要な生態系サービス (物質製品,水文/気候規制,土壌保持) は,生態学的特性の影響により高い不確実性を表しています.
- 生態系の特徴を長期の生態系管理の実践に組み込むための基礎となる.
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