Articles | Volume 18, issue 6
Biogeosciences, 18, 2027–2045, 2021
https://doi.org/10.5194/bg-18-2027-2021
Biogeosciences, 18, 2027–2045, 2021
https://doi.org/10.5194/bg-18-2027-2021

Research article 22 Mar 2021

Research article | 22 Mar 2021

Understanding the effect of fire on vegetation composition and gross primary production in a semi-arid shrubland ecosystem using the Ecosystem Demography (EDv2.2) model

Karun Pandit et al.

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Cited articles

Baker, W. L.: Fire and Restoration of Sagebrush Ecosystems, Wildlife Soc. B., 34, 177–185, https://doi.org/10.2193/0091-7648(2006)34[177:farose]2.0.co;2, 2006. a, b
BLM: Bureau of Land Management: Soda Fire: Emergency Stabilization and Rehabilitation, Idaho and Oregon, available at: https://www.blm.gov/sites/blm.gov/files/Program_FishandWildlife_WildllifeIdahoSodaFireESR_StatusReport.pdf (last access: 9 July 2019), 2016. a
Bond-Lamberty, B., Fisk, J. P., Holm, J. A., Bailey, V., Bohrer, G., and Gough, C. M.: Moderate forest disturbance as a stringent test for gap and big-leaf models, Biogeosciences, 12, 513–526, https://doi.org/10.5194/bg-12-513-2015, 2015. a
Bradley, B. A.: Assessing ecosystem threats from global and regional change: Hierarchical modeling of risk to sagebrush ecosystems from climate change, land use and invasive species in Nevada, USA, Ecography, 33, 198–208, https://doi.org/10.1111/j.1600-0587.2009.05684.x, 2010. a
Bradley, B. A., Houghton, R. A., Mustard, J. F., and Hamburg, S. P.: Invasive grass reduces aboveground carbon stocks in shrublands of the Western US, Glob. Change Biol., 12, 1815–1822, https://doi.org/10.1111/j.1365-2486.2006.01232.x, 2006. a
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A dynamic global vegetation model, Ecosystem Demography (EDv2.2), is used to understand spatiotemporal dynamics of a semi-arid shrub ecosystem under alternative fire regimes. Multi-decadal point simulations suggest shrub dominance for a non-fire scenario and a contrasting phase of shrub and C3 grass growth for a fire scenario. Regional gross primary productivity (GPP) simulations indicate moderate agreement with MODIS GPP and a GPP reduction in fire-affected areas before showing some recovery.
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