Journal
NEW PHYTOLOGIST
Volume 208, Issue 2, Pages 324-329Publisher
WILEY
DOI: 10.1111/nph.13521
Keywords
biogeochemistry; carbon cycling; climate change; Earth system models (ESMs); nutrient limitation; phosphorus (P)
Categories
Funding
- US Department of Energy, Office of Science, Office of Biological and Environmental Research, Terrestrial Ecosystem Sciences [DE-SC-0011806, DE-SC-0008168]
- Earth System Modeling Programs (Accelerated Climate Modeling for Energy (ACME) project)
- Regional & Global Climate Modeling (RGCM) Program (Biogeochemistry Feedbacks Scientific Focus Area (SFA))
- Oak Ridge National Laboratory (ORNL)
- US Geological Survey John Wesley Powell Center for Analysis and Synthesis
- US Geological Survey Ecosystems Mission Area
- US Department of Energy [DE-AC05-00OR22725]
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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.
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