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Storm disturbances in a Swedish forest-A case study comparing monitoring and modelling

Yu, Lin LU ; Belyazid, Salim LU ; Akselsson, Cecilia LU ; van der Heijden, Gregory and Zanchi, Giuliana LU (2016) In Ecological Modelling 320. p.102-113
Abstract
A Norway spruce (Picea abies Karst) forest site in southwest Sweden was chosen to study the effects of storm disturbances over the period 1997-2009, during which two storms, 'Lothar' (December 1999) and 'Gudrun' (January 2005), affected the area. Monitored deposition data, soil water chemistry data and forest inventory data were compared with the predictions of an integrated ecosystem model, ForSAFE, in an effort to reveal and understand the effects of storms on acidification/recovery in forest soils. Both storms caused windthrow loss leading to increased nitrate and sulphate concentrations in soil water as a result of stimulated mineralization. Lothar led to increased concentrations of Na+, Mg2+, and Cl- in soil water due to sea-salt... (More)
A Norway spruce (Picea abies Karst) forest site in southwest Sweden was chosen to study the effects of storm disturbances over the period 1997-2009, during which two storms, 'Lothar' (December 1999) and 'Gudrun' (January 2005), affected the area. Monitored deposition data, soil water chemistry data and forest inventory data were compared with the predictions of an integrated ecosystem model, ForSAFE, in an effort to reveal and understand the effects of storms on acidification/recovery in forest soils. Both storms caused windthrow loss leading to increased nitrate and sulphate concentrations in soil water as a result of stimulated mineralization. Lothar led to increased concentrations of Na+, Mg2+, and Cl- in soil water due to sea-salt episode. No general sea-salt episode was seen following Gudrun, but small sea-salt episodes were observed in 2007 and 2008. Each sea-salt episode caused a temporary decrease of pH, and a subsequent recovery, but overall, the soil water pH decreased from 4.54 to 3.86 after Lothar. Modelling suggested that the site was recovering from acidification from 1990s, and would continue to recover in future. Both modelled and monitored data showed that storm caused disturbances in the recovery; monitored data even suggested that soil acidification happened due to storm disturbances. Sea-salt episode does not increase soil acidity in the long term, and will probably decrease the soil acidity by replenishing the base saturation. The modelled data also suggested that storms with only windthrow would not have effects on soil acidification recovery in the long term, but they may influence the soil fertility by losses of base cations. (C) 2015 Elsevier B.V. All rights reserved. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Forest soil, Dynamic model, Storm disturbance, Sea-salt episode, Acidification recovery
in
Ecological Modelling
volume
320
pages
102 - 113
publisher
Elsevier
external identifiers
  • wos:000368313300010
  • scopus:84945237609
ISSN
0304-3800
DOI
10.1016/j.ecolmodel.2015.09.025
language
English
LU publication?
yes
id
e823612b-2b71-4e85-b9cd-29dd153b36b2 (old id 8739172)
date added to LUP
2016-02-23 10:43:30
date last changed
2017-11-05 04:04:57
@article{e823612b-2b71-4e85-b9cd-29dd153b36b2,
  abstract     = {A Norway spruce (Picea abies Karst) forest site in southwest Sweden was chosen to study the effects of storm disturbances over the period 1997-2009, during which two storms, 'Lothar' (December 1999) and 'Gudrun' (January 2005), affected the area. Monitored deposition data, soil water chemistry data and forest inventory data were compared with the predictions of an integrated ecosystem model, ForSAFE, in an effort to reveal and understand the effects of storms on acidification/recovery in forest soils. Both storms caused windthrow loss leading to increased nitrate and sulphate concentrations in soil water as a result of stimulated mineralization. Lothar led to increased concentrations of Na+, Mg2+, and Cl- in soil water due to sea-salt episode. No general sea-salt episode was seen following Gudrun, but small sea-salt episodes were observed in 2007 and 2008. Each sea-salt episode caused a temporary decrease of pH, and a subsequent recovery, but overall, the soil water pH decreased from 4.54 to 3.86 after Lothar. Modelling suggested that the site was recovering from acidification from 1990s, and would continue to recover in future. Both modelled and monitored data showed that storm caused disturbances in the recovery; monitored data even suggested that soil acidification happened due to storm disturbances. Sea-salt episode does not increase soil acidity in the long term, and will probably decrease the soil acidity by replenishing the base saturation. The modelled data also suggested that storms with only windthrow would not have effects on soil acidification recovery in the long term, but they may influence the soil fertility by losses of base cations. (C) 2015 Elsevier B.V. All rights reserved.},
  author       = {Yu, Lin and Belyazid, Salim and Akselsson, Cecilia and van der Heijden, Gregory and Zanchi, Giuliana},
  issn         = {0304-3800},
  keyword      = {Forest soil,Dynamic model,Storm disturbance,Sea-salt episode,Acidification recovery},
  language     = {eng},
  pages        = {102--113},
  publisher    = {Elsevier},
  series       = {Ecological Modelling},
  title        = {Storm disturbances in a Swedish forest-A case study comparing monitoring and modelling},
  url          = {http://dx.doi.org/10.1016/j.ecolmodel.2015.09.025},
  volume       = {320},
  year         = {2016},
}