Above- and below-ground carbon dynamics of different fire regimes in extensive grazing systems in northern Australia

Above- and below-ground carbon dynamics of different fire regimes in extensive grazing systems in northern Australia Conference Paper

17th Australian Rangeland Society Biennial Conference

  • Author(s): L.P. Hunt, A.C. Liedloff, R.W. Eager
  • Published: 2012
  • Publisher: Australian Rangeland Society

Abstract: This paper reports initial field studies and modelling of carbon stocks under alternative fire regimes in northern rangelands. The field studies in the Victoria River District suggested that fire regime had no effect on aboveground carbon stocks (AGC) in an open grassland/shrubland. In an open Eucalypt woodland the overall effect of fire season was not significant and the effect of fire frequency was inconsistent. However, modelling suggested that regular burning to maintain low woody density and promote grass production will reduce above- and below-ground carbon stocks in the open woodland. The opportunities for pastoralists to increase carbon stocks by reducing fire frequency are limited in many regions and will depend on vegetation type and current fire regime. Any carbon gains are likely to be modest and will be associated with greater tree and shrub density, which may adversely affect pasture and livestock production.

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L.P. Hunt, A.C. Liedloff, R.W. Eager, 2012, Above- and below-ground carbon dynamics of different fire regimes in extensive grazing systems in northern Australia, Conference Paper, viewed 09 August 2022, https://www.nintione.com.au/?p=3660.

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