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Data from: Elevated CO2 and water addition enhance nitrogen turnover in grassland plants with implications for temporal stability

Citation

Dijkstra, Feike A. et al. (2019), Data from: Elevated CO2 and water addition enhance nitrogen turnover in grassland plants with implications for temporal stability, Dryad, Dataset, https://doi.org/10.5061/dryad.7536h67

Abstract

Temporal variation in soil nitrogen (N) availability affects growth of grassland communities that differ in their use and reuse of N. In a seven-year-long climate change experiment in a semiarid grassland, the temporal stability of plant biomass production varied with plant N turnover (reliance on externally acquired N relative to internally recycled N). Species with high N turnover were less stable in time compared to species with low N turnover. In contrast, N turnover at the community level was positively associated with asynchrony in biomass production, which in turn increased community temporal stability. Elevated CO2 and summer irrigation, but not warming, enhanced community N turnover and stability, possibly because treatments promoted greater abundance of species with high N turnover. Our study highlights the importance of plant N turnover for determining the temporal stability of individual species and plant communities affected by climate change.

Usage Notes

Funding

National Science Foundation, Award: 1021559

Location

Wyoming
North America