Abiotic Stress/Whole Plant Bio

Abstract

CS-14-3 - Can we improve how plant respiration is represented in Earth System Models?

Monday, July 16
1:43 PM - 2:03 PM

Climate models are being routinely used to predict how warm the Earth will be later this century.  Central to such models is predicting carbon flows between plants and the atmosphere, of which plant respiration is a major source of carbon released into the atmosphere.   Here, knowledge of how plant respiration rates vary spatially and temporally across the Earth’s surface is needed.  In this talk, I will show: (1) how global surveys of respiration and its temperature dependence have provided a framework for improving our ability to predict respiratory carbon release in terrestrial ecosystems; and (2) show how implementation of new equations accounting for plant respiration alter predicted rates of regional and global respiration in response to future climate change scenarios.


 

Owen K. Atkin, BSc (Hons), PhD

Professor
Australian National University

Owen Atkin obtained his BSc (Hons) in 1987 (Australian National University) and his PhD in 1993 (Toronto). From 1993-1995 he held an EU Post Doctoral Fellowship (Utrecht); he was then awarded an Australian Research Council (ARC) Post Doctoral Fellowship at ANU (1996-1999). Thereafter, he moved to UK to take up a faculty position in the Biology Dept at the University of York (1999-2008). Owen returned to ANU in 2008 and held an ARC Future Fellowship 2009-2013. Since 2014, his work has been supported by funding by the ARC Centre of Excellence in Plant Energy Biology, International Wheat Yield Program and the Grains Research and Development Corporation. He is the Senior Editor for the Environment Section of New Phytologist and was a Member of the Faculty of 1000 until 2015. A major focus of his research is assessing the impact of environmental gradients on plant physiological processes, particularly respiration.

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