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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/49121

Title: Deadwood Decay in a Burnt Mediterranean Pine Reforestation
Authors: Molinas-González, Carlos R.
Castro Gutiérrez, Jorge
Leverkus, Alexandro B.
Issue Date: 8-May-2017
Abstract: Dead wood remaining after wildfires represents a biological legacy for forest regeneration, and its decay is both cause and consequence of a large set of ecological processes. However, the rate of wood decomposition after fires is still poorly understood, particularly for Mediterranean-type ecosystems. In this study, we analyzed deadwood decomposition following a wildfire in a Mediterranean pine plantation in the Sierra Nevada Natural and National Park (southeast Spain). Three plots were established over an elevational/species gradient spanning from 1477 to 2053 m above sea level, in which burnt logs of three species of pines were experimentally laid out and wood densities were estimated five times over ten years. The logs lost an overall 23% of their density, although this value ranged from an average 11% at the highest-elevation plot (dominated by Pinus sylvestris) to 32% at an intermediate elevation (with P. nigra). Contrary to studies in other climates, large-diameter logs decomposed faster than small-diameter logs. Our results provide one of the longest time series for wood decomposition in Mediterranean ecosystems and suggest that this process provides spatial variability in the post-fire ecosystem at the scale of stands due to variable speeds of decay. Common management practices such as salvage logging diminish burnt wood and influence the rich ecological processes related to its decay.
Sponsorship: This study was supported by Project 10/2005 from the Organismo Autónomo de Parques Nacionales (Spanish Government), CGL2008-01671 from the Spanish Ministerio de Ciencia e Innovación, and P12-RNM-2705 from Junta de Andalucía. A.B.L. acknowledges funding from Juan de la Cierva grant by Ministerio de Economía y Competitividad (FJCI-2015-23687). C.R.M-G. had a Ph.D. grant from the National University of Asunción (Paraguay) and Carolina Foundation (Spain).
Publisher: MDPI
Keywords: Deadwood management
Decay rate
Decomposition
Density loss
Mediterranean
URI: http://hdl.handle.net/10481/49121
ISSN: 1999-4907
Rights : Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License
Citation: Molinas-González, C.R.; Castro Gutiérrez, J.; Leverkus, A.B. Deadwood Decay in a Burnt Mediterranean Pine Reforestation. Forests, 8(5): 158 (2017). [http://hdl.handle.net/10481/49121]
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