Articles | Volume 12, issue 4
https://doi.org/10.5194/bg-12-961-2015
https://doi.org/10.5194/bg-12-961-2015
Research article
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17 Feb 2015
Research article | Highlight paper |  | 17 Feb 2015

Drought in forest understory ecosystems – a novel rainfall reduction experiment

K. F. Gimbel, K. Felsmann, M. Baudis, H. Puhlmann, A. Gessler, H. Bruelheide, Z. Kayler, R. H. Ellerbrock, A. Ulrich, E. Welk, and M. Weiler

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Cited articles

Abramoff M., Magelhaes P. J., and Ram S. J.: Image processing with Image, J. Biophotonics Int. 11, 36–42, 2004.
Albert, K. R., Ro-Poulsen, H., Mikkelsen, T.N., Michelsen, A., Van Der Linden, L., and Beier, C.: Effects of elevated CO2, warming and drought episodes on plant carbon uptake in a temperate heath ecosystem are controlled by soil water status, Plant, Cell Environ., 34, 1207–1222, 2011.
Ampoorter E., Baeten L., Koricheva J., Vanhellemont M., and Verheyen K.: Do diverse overstoreys induce diverse understoreys? Lessons learnt from an experimental–observational platform in Finland, Forest Ecol. Manage., 318, 206–215, 2014.
Bahn, M., Reichstein, M., Dukes, J. S., Smith, M. D., and McDowell, N. G.: Climate-biosphere interactions in a more extreme world, New Phytol., 2002, 356–359, 2014
Baudis, M., Ellerbrock, R. H., Felsmann, K., Gessler, A., Gimbel, K., Kayler, Z., Puhlmann, H., Ulrich, A., Weiler, M., Welk, E., and Bruelheide, H.: Intraspecific differences in responses to rainshelter-induced drought and competition of Fagus sylvatica L. across Germany, Forest Ecol. Manage., 330, 283–293, 2014
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Short summary
This paper introduces a novel rainfall reduction experiment to investigate drought effects on soil-forest-understory-ecosystems. An annual drought with a return period of 40 years was imposed, while other ecosystem variables (humidity, air & soil temperature) remained unaffected. The first year of drought showed considerable changes in soil moisture dynamics, which affected leaf stomatal conductance of understory species as well as evapotranspiration rates of the forest understory ecosystem.
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