Impact of climate change on grassland production and soil carbon worldwide

Impact of climate change on grassland production and soil carbon worldwide The impact of climate change and increasing atmospheric CO2 was modelled for 31 temperate and tropical grassland sites, using the CENTURY model. Climate change increased net primary production, except in cold desert steppe regions, and CO2 increased production everywhere. Climate change caused soil carbon to decrease overall, with a loss of 4 Pg from global grasslands after 50 years. Combined climate change and elevated CO2 increased production and reduced global grassland C losses to 2 Pg, with tropical savannas becoming small sinks for soil C. Detection of statistically significant change in plant production would require a 16% change in measured plant production because of high year to year variability in plant production. Most of the predicted changes in plant production are less than 10%. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Global Change Biology Wiley

Impact of climate change on grassland production and soil carbon worldwide

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Publisher
Wiley
Copyright
Copyright © 1995 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1354-1013
eISSN
1365-2486
D.O.I.
10.1111/j.1365-2486.1995.tb00002.x
Publisher site
See Article on Publisher Site

Abstract

The impact of climate change and increasing atmospheric CO2 was modelled for 31 temperate and tropical grassland sites, using the CENTURY model. Climate change increased net primary production, except in cold desert steppe regions, and CO2 increased production everywhere. Climate change caused soil carbon to decrease overall, with a loss of 4 Pg from global grasslands after 50 years. Combined climate change and elevated CO2 increased production and reduced global grassland C losses to 2 Pg, with tropical savannas becoming small sinks for soil C. Detection of statistically significant change in plant production would require a 16% change in measured plant production because of high year to year variability in plant production. Most of the predicted changes in plant production are less than 10%.

Journal

Global Change BiologyWiley

Published: Feb 1, 1995

References

  • Nitrogen and phosphorus dynamics of a tallgrass prairie ecosystem exposed to elevated carbon dioxide
    Owensby, Owensby; Coyne, Coyne; Auen, Auen
  • Observations and modeling of biomass and soil organic matter dynamics for the grassland biome worldwide
    Parton, Parton; Scurlock, Scurlock; Ojima, Ojima; Gilmanov, Gilmanov; ScKoles, ScKoles; Schimel, Schimel; Kirchner, Kirchner; Menaut, Menaut; Seastedt, Seastedt; Garcia Moya, Garcia Moya; Kamnalrut, Kamnalrut; Kinyamario, Kinyamario

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