Articles | Volume 12, issue 1
https://doi.org/10.5194/bg-12-177-2015
https://doi.org/10.5194/bg-12-177-2015
Research article
 | 
09 Jan 2015
Research article |  | 09 Jan 2015

Impacts of soil moisture on de novo monoterpene emissions from European beech, Holm oak, Scots pine, and Norway spruce

C. Wu, I. Pullinen, S. Andres, G. Carriero, S. Fares, H. Goldbach, L. Hacker, T. Kasal, A. Kiendler-Scharr, E. Kleist, E. Paoletti, A. Wahner, J. Wildt, and Th. F. Mentel

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Cited articles

Arneth, A., Monson, R. K., Schurgers, G., Niinemets, Ü., and Palmer, P. I.: Why are estimates of global terrestrial isoprene emissions so similar (and why is this not so for monoterpenes)?, Atmos. Chem. Phys., 8, 4605–4620, https://doi.org/10.5194/acp-8-4605-2008, 2008.
Bertin, N. and Staudt, M.: Effect of water stress on monoterpene emissions from young potted holm oak (Quercus ilex L.) trees, Oecologia, 107, 456–462, 1996.
Blanch, J.-S., Peñuelas, J., and Llusià, J.: Sensitivity of terpene emissions to drought and fertilization in terpene-storing Pinus halepensis and non-storing Quercus ilex, Physiol. Plant., 131, 211–225, 2007.
Bourtsoukidis, E., Kawaletz, H., Radacki, D., Schütz, S., Hakola, H., Hellén, H., Noe, S., Mölder, I., Ammer, C., and Bonn, B.: Impact of flooding and drought conditions on the emission of volatile organic compounds of Quercus robur and Prunus serotina, Trees, 28, 93–204, 2014.
Brüggemann, N. and Schnitzler, J. P.: Comparison of isoprene emission, intercellular isoprene concentration and photosynthetic performance in water-limited oak (Quercus pubescens Willd. and Quercus robur L.) saplings, Plant Biol., 4, 456–463, 2002.
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Short summary
Impacts of soil moisture on de novo monoterpene emissions from several tree species were studied. Mild drought slightly increased MT emissions, but with further progressing drought the emissions decreased to almost zero. Increases of MT emissions were explainable by increases of leaf temperature due to lowered transpirational cooling. The decrease of emissions observed when soil moisture fell below certain thresholds was parameterized, allowing considering impacts of soil moisture in models.
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