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DECOMP - A semi-mechanistic model of litter decomposition

Wallman, Patrik ; Belyazid, Salim ; Svensson, Mats and Sverdrup, Harald (2006) In Environmental Modelling & Software 21(1). p.33-44
Abstract
The decomposition of organic matter in a forest ecosystem is simulated by DECOMP, a process-based, semi-mechanistic model built on system dynamic principles. The model divides a litter into four different substrate quality classes with different decomposition rates which are differently influenced by temperature, soil moisture content, pH and aluminum concentration in the soil solution. The model is presented with its core equations and parameter values, but also presented from a system dynamics perspective in its context as a cornerstone in a forest-soil-atmosphere model. DECOMP is aimed at simulating long-term dynamics of decomposition over several forest management rotations, and to function in concert with other model components used... (More)
The decomposition of organic matter in a forest ecosystem is simulated by DECOMP, a process-based, semi-mechanistic model built on system dynamic principles. The model divides a litter into four different substrate quality classes with different decomposition rates which are differently influenced by temperature, soil moisture content, pH and aluminum concentration in the soil solution. The model is presented with its core equations and parameter values, but also presented from a system dynamics perspective in its context as a cornerstone in a forest-soil-atmosphere model. DECOMP is aimed at simulating long-term dynamics of decomposition over several forest management rotations, and to function in concert with other model components used in forest modeling. The model is evaluated against empirical data and shows good resemblance when simulating decomposition of Scots pine needle litter with data from a four-year litter bag field experiment. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Scots pine, lignin, cellulose, decomposition, model, carbon
in
Environmental Modelling & Software
volume
21
issue
1
pages
33 - 44
publisher
Elsevier
external identifiers
  • wos:000234631900003
  • scopus:28444477364
ISSN
1364-8152
DOI
10.1016/j.envsoft.2004.09.026
language
English
LU publication?
yes
id
c380fe58-2a2a-4828-81a6-b0871554e21d (old id 421373)
date added to LUP
2016-04-01 12:26:45
date last changed
2021-09-01 04:59:51
@article{c380fe58-2a2a-4828-81a6-b0871554e21d,
  abstract     = {The decomposition of organic matter in a forest ecosystem is simulated by DECOMP, a process-based, semi-mechanistic model built on system dynamic principles. The model divides a litter into four different substrate quality classes with different decomposition rates which are differently influenced by temperature, soil moisture content, pH and aluminum concentration in the soil solution. The model is presented with its core equations and parameter values, but also presented from a system dynamics perspective in its context as a cornerstone in a forest-soil-atmosphere model. DECOMP is aimed at simulating long-term dynamics of decomposition over several forest management rotations, and to function in concert with other model components used in forest modeling. The model is evaluated against empirical data and shows good resemblance when simulating decomposition of Scots pine needle litter with data from a four-year litter bag field experiment.},
  author       = {Wallman, Patrik and Belyazid, Salim and Svensson, Mats and Sverdrup, Harald},
  issn         = {1364-8152},
  language     = {eng},
  number       = {1},
  pages        = {33--44},
  publisher    = {Elsevier},
  series       = {Environmental Modelling & Software},
  title        = {DECOMP - A semi-mechanistic model of litter decomposition},
  url          = {http://dx.doi.org/10.1016/j.envsoft.2004.09.026},
  doi          = {10.1016/j.envsoft.2004.09.026},
  volume       = {21},
  year         = {2006},
}