Interannual variability in carbon dioxide fluxes and flux–climate relationships on grazed and ungrazed northern mixed-grass prairie

Authors

H. Wayne Polley, USDA-ARS Grassland, Soil and Water Research LaboratoryFollow
Albert B. Frank, Northern Great Plains Research Laboratory
Joaquin Sanabria, Texas Agricultural Experiment Station
Rebecca L. Phillips, Northern Great Plains Research Laboratory

Document Type

Article

Date of this Version

2008

Comments

Published in Global Change Biology (2008) 14, 1620–1632.

Abstract

The annual carbon (C) budget of grasslands is highly dynamic, dependent on grazing history and on effects of interannual variability (IAV) in climate on carbon dioxide (CO₂) fluxes. Variability in climatic drivers may directly affect fluxes, but also may indirectly affect fluxes by altering the response of the biota to the environment, an effect termed ‘functional change’.