古代の草原は野心的な草原修復の目標に導きます
Elise Buisson1, Sally Archibald2, Alessandra Fidelis3
1Institut Méditerranéen de Biodiversité et d'Ecologie, Avignon Université, CNRS, IRD, Aix Marseille Université, 84911 Avignon, France.
まとめ
草原の回復は生物多様性と生態系の機能の回復に不可欠であり,これらの重要な生息地は劣化後にゆっくりと回復します. 回復を長期的プロセスとして見ることは 生態系の回復の成功の鍵です
科学分野:
- エコロジー
- 保護生物学
- 回復エコロジー
背景:
- 草原は地上の生物圏の40%を占め 生物の多様性と10億人以上の人々を支えています
- 草原は急速に劣化していますが 生物多様性と機能の回復は遅いか不完全です
- 草原の復元は森林の復元よりも注意が少ないのは,迅速な復元を想定しているからです.
研究 の 目的:
- 草原の回復の重要性を強調するためです
- 草原の迅速な回復という仮定に 異議を唱えるために
- 有効な草原の回復のための枠組みを提案する.
主な方法:
- 草原の生態学と復元に関する現在の研究の文献レビューと合成.
- 退廃した草原の生態系における回復軌道の分析
- 草原の長期集積のための概念的枠組みの開発
主要な成果:
- 草原の生物多様性と機能の完全な回復は,しばしば遅いまたは達成不可能です.
- 荒廃した草原は 値が変化するので 回復が困難です
- 現在の復元アプローチは 長期的な生態学的成功には不十分かもしれません
結論:
- 草原の復元は,古い成長状態への長期の組み立てプロセスとして見るべきです.
- 生態学的フィードバックと限界を理解することは 効果的な回復に不可欠です
- 草原の回復戦略を優先して改善するには パラダイムシフトが必要です
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