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

被引:149
作者
Reed, Sasha C. [1 ]
Yang, Xiaojuan [2 ,3 ]
Thornton, Peter E. [2 ,3 ]
机构
[1] US Geol Survey, Southwest Biol Sci Ctr, Moab, UT 84532 USA
[2] Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN 37831 USA
[3] Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37831 USA
关键词
biogeochemistry; carbon cycling; climate change; Earth system models (ESMs); nutrient limitation; phosphorus (P); CARBON-NITROGEN INTERACTIONS; SOIL-PHOSPHORUS; NUTRIENT LIMITATION; ELEVATED CO2; PATTERNS; CLIMATE; PRODUCTIVITY; TEMPERATURE; MECHANISMS; POTASSIUM;
D O I
10.1111/nph.13521
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
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.
引用
收藏
页码:324 / 329
页数:6
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