The biogeochemistry of peatlands: coupling carbon and nitrogen cycles

泥炭地的生物地球化学：碳氮循环耦合

• 批准号: 16-2009
• 负责人: Moore, Timothy
• 金额: $ 7.47万
• 依托单位: McGill University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2011
• 资助国家: 加拿大
• 起止时间: 2011-01-01 至 2012-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=473260
• 关键词: biogeochemistry; peatlands; coupling; carbon; nitrogen

Although much progress has been made in defining the C cycling in peatlands, the major challenge now is to determine the role that N plays in these nutrient-limited systems. Increases in N input, e.g. through atmospheric N deposition, pose major threats to many terrestrial ecosystems and C modelling is limited by coupling of C and N. My work focuses on the Mer Bleue peatland, the site of an intensive series of measurements & experiments over the past decade. I propose to answer the following questions:

虽然已经取得了很大的进展，在定义碳循环在泥炭地，现在的主要挑战是要确定的作用，N在这些营养有限的系统。氮输入的增加，例如通过大气氮沉降，对许多陆地生态系统构成重大威胁，C建模受到C和N耦合的限制。我的工作重点是Mer Bleue泥炭地，在过去十年中进行了一系列密集的测量和实验。我建议回答以下问题：