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タイムスケールと生態系タイプにおける呼吸の温度依存を調和させる
Gabriel Yvon-Durocher1, Jane M Caffrey, Alessandro Cescatti
1School of Biological & Chemical Sciences, Queen Mary University of London, London E1 4NS, UK. g.yvon-durocher@exeter.ac.uk
Nature
|June 23, 2012
まとめ
生態系の呼吸 呼吸システム
科学分野:
- エコロジー エコロジー エコロジー
- バイオジオケミストリー バイオジオケミストリー
- メタボリック理論
背景:
- 生態系の呼吸は,有機炭素を二酸化炭素に変換する.
- 呼吸の温度依存は,コミュニティの要因によって異なります.
- 水中の呼吸と陸上の呼吸の違いを理解することは,気候変動の予測の鍵です.
研究 の 目的:
- 生態系呼吸の温度依存が水生環境と陸生環境の間で異なるかどうかを調査する.
- これまでで最大の呼吸器測定データデータベースを分析する.
主な方法:
- 生態系呼吸測定の最大のデータベースをまとめ,分析しました.
- 応用代謝理論モデリングで,発見を調和させました.
主要な成果:
- 生態系呼吸の季節的な温度感受性は,様々な水生および陸生生態系において類似しています.
- 年間生態系呼吸は,陸地 (0.32 eV) と比較して水中の環境 (0.65 eV) でより大きな温度依存を示しています.
結論:
- 生化学的運動学は,似たような季節的な呼吸反応を誘導する.
- 初次生産性と炭素投入の差異は,水生生態系と陸生生態系の年間呼吸パターンに影響を与えます.
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