Ecohydrology

拟议中的加拿大生态水文学研究主席将通过了解干旱和野火的严重程度如何影响泥炭地生态系统功能和恢复力，开发一个国际知名的综合水和生态系统科学研究计划。将进行实地测量和实验操作，以确定干扰严重程度如何影响：i）生态水文反馈的迹象和强度，以及ii）干扰后植被恢复和CO2交换。实地研究的结果将与苔藓功能性状的参数化和基于物理的碳-水模型相结合，以评估在什么条件下干旱和/或野火驱动泥炭地生态系统状态变化和潜在的灾难性生态系统崩溃和碳损失。

The proposed Canada Research Chair in Ecohydrology will develop an internationally renowned integrative water and ecosystem science research program by understanding how drought and wildfire severity affect peatland ecosystem function and resilience. Field-based measurements experimental manipulations will be done to determine how disturbance severity affects: i) the sign and strength of ecohydrological feedbacks, and ii) post-disturbance vegetation recovery and CO2 exchange. The results from field-based research will be coupled with parameterizations of moss functional traits and a physically-based carbon-water model to assess under what conditions drought and/or wildfire drive peatland ecosystem regime shifts and potential catastrophic ecosystem collapse and carbon loss.