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Incorporating phosphorus cycling into global modeling efforts: a worthwhile, tractable endeavor...

by Sasha Reed, Xiaojuan Yang, Peter E Thornton
Publication Type
Journal
Journal Name
New Phytologist
Publication Date
Page Numbers
324 to 329
Volume
208
Issue
2

Myriad field, laboratory, and modeling studies show that nutrient availability plays a fundamental role in regulating CO2 exchange between the Earth's biosphere and atmosphere, and in determining how carbon pools and fluxes respond to climatic change. Accordingly, global models that incorporate coupled climate-carbon cycle feedbacks made a significant advance with the introduction of a prognostic nitrogen cycle. Here we propose that incorporating phosphorus cycling represents an important next step in coupled climate-carbon cycling model development, particularly for lowland tropical forests where phosphorus availability is often presumed to limit primary production. We highlight challenges to including phosphorus in modeling efforts and provide suggestions for how to move forward.