Post-wildfire effects on carbon and water vapour dynamics in a Spanish black pine forest
2015
Dadi, T. | Rubio, E. | Martínez-García, E. | López-Serrano, F. R. | Andrés-Abellán, M. | García-Morote, F. A. | De las Heras, J.
Two eddy covariance systems were installed in a high-severity burned zone (BZ) and an adjacent unburned (UNB) zone to monitor water vapour and carbon dioxide fluxes for 21 months (from June 2011 to February 2013) at a Spanish black pine forest affected by a stand-replacing wildfire and located in a mountainous area of central-eastern Spain. The differences between both sites were significant especially during the growing season, affecting gross primary productivity (GPP) more than ecosystem respiration (Reco). Net ecosystem exchange (NEE) for 2012 was −3.97 and 1.80 t C ha⁻¹ year⁻¹for the unburned and burned sites, respectively, the GPP being 64 % lower for the BZ than the UNB zone. Evapotranspiration (ET) at the UNB was 18 % greater than at the BZ. Difference between sites was 160 mm during the whole studied period. This study reflects the effect of one of the major disturbances that can affect Mediterranean ecosystems, showing that carbon fluxes are more dramatically concerned than water vapour fluxes.
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