Understanding, Quantifying, and Predicting Greenhouse Gas Emissions and Budgets of Forest Soils under a Changing Climate in Canada

了解、量化和预测加拿大气候变化下森林土壤的温室气体排放和预算

• 批准号: RGPIN-2014-04433
• 负责人: Peng, Changhui
• 金额: $ 3.13万
• 依托单位: Université du Québec à Montréal
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2016
• 资助国家: 加拿大
• 起止时间: 2016-01-01 至 2017-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=611034
• 关键词: Understanding; Quantifying; Predicting; Greenhouse; Gas

Canada contains approximately 10% of the world's forests and approximately 25% of world's boreal forests. Boreal forests are especially vulnerable to climate change and ecosystem disturbances due to the longevity of the life of its trees and the extent of expected climate change within their life span. Changes in climate and resultant increases in ecosystem disturbances are expected to significantly alter future forest growth and production, greenhouse gas emissions and budgets in Canada. The future role of Canadian forest ecosystems in the global greenhouse gas budget is very important for policy makers considering the urgency and mechanisms for controlling greenhouse gas (GHG) emissions and potential adaptation strategies. There is an urgent need to develop a better scientific understanding and to quantify the impacts of future climate change on forest ecosystems in Canada, including ecosystem productivity, GHG (CO2, CH4, N2O) budgets, and changes in the timing and magnitude of fluxes between the land and the atmosphere. The central objective of this research program is to develop and use state-of-the-art computer simulation models for full accounting of the GHG budgets in Canada’s forest soils and investigating the impacts of future climate change on the GHG budgets of forest soils across Canada. This program will develop an original and innovative approach to address the increasingly important issues of climate change mitigation and adaptation as well as greenhouse gas emission reduction targets. This research program will train 14 highly qualified personnels (including 1 Post-doctoral, 2 Ph.D, 1 Master, and 10 undergraduate students with expertise in state-of-the art modeling, analytical and statistical methods and GHG budget accounting). The outputs of this research will fill the information gaps needed by foresters, forest managers, and policy-makers from federal agencies, local governments, forest industry and private companies for the ongoing negotiation of the Kyoto Protocol, developing GHG-based indicators for sustainable forest management, and mitigation and adaptation strategies in Canada.

加拿大拥有世界约10%的森林和约25%的北方森林。北方森林特别容易受到气候变化和生态系统干扰的影响，因为其树木的寿命很长，而且在其寿命内预计会发生气候变化。气候变化和随之而来的生态系统干扰的增加预计将显著改变加拿大未来的森林生长和生产、温室气体排放和预算。考虑到控制温室气体排放的紧迫性和机制以及潜在的适应战略，加拿大森林生态系统在全球温室气体预算中的未来作用对政策制定者来说非常重要。迫切需要更好地科学理解和量化未来气候变化对加拿大森林生态系统的影响，包括生态系统生产力、温室气体(CO2、CH4、N2O)预算以及陆地和大气之间通量的时间和大小的变化。 该研究计划的中心目标是开发和使用最先进的计算机模拟模型，以全面核算加拿大森林土壤的温室气体收支，并调查未来气候变化对加拿大各地森林土壤温室气体收支的影响。该计划将开发一种原创性和创新性的方法，以解决气候变化缓解和适应以及温室气体减排目标等日益重要的问题。该研究计划将培养14名高素质的人员(包括1名博士后、2名博士、1名硕士和10名本科生，他们拥有最先进的建模、分析和统计方法以及温室气体预算会计方面的专业知识)。这项研究的成果将填补联邦机构、地方政府、林业行业和私营公司的林农、森林管理人员和政策制定者在加拿大正在进行的《京都议定书》谈判、制定基于温室气体的可持续森林管理指标以及缓解和适应战略方面所需的信息空白。