Table 4.7 Carbon sequestration rates and time to equilibrium for soil, biomass and whole landscape in mulga woodland in Queensland (measured) and rates for various landforms in WA (estimated). Soil Biomass Total Time period Management State/Region Vegetation/land system intervention tCO2-e/ha/yr tCO2-e/ha/yr tCO2-e/ha/yr yr Qld* Mulga Destocking 0.18 0.73 0.9 0.92 1.1 25 – – WA** Average over all Destocking and fire 0.15 20 – No data No data rangelands management 0.62 Pilbara Various landforms Destocking 0.05 -0.06 -0.01 30 Pilbara Various landforms Intensification 0.04 0 0.04 30 Kimberley Various landforms Destocking -0.04 0.12 0.51 0.13 30 – – – 0.01 0.47 Kimberley Various landforms Intensification -0.02 0.08 1.66 0.06 30 – – – 0.21 1.88 Kimberley Various landforms Destocking and fire 0.19 1.98 2.29 2.17 30 – – – management 0.25 2.55 Note: Negative values indicate a net release of carbon. Sources: * Witt et al. 2011; ** Harper et al. 2007; *** Alchin et al. 2010.
Table 4.7 Carbon sequestration rates and time to equilibrium for soil, biomass and whole landscape in mulga woodland in Queensland (measured) and rates for various landforms in WA (estimated). State/Region Vegetation/land system Management intervention Soil tCO2-e/ha/yr Biomass tCO2-e/ha/yr Total tCO2-e/ha/yr Time period yr Qld* Mulga Destocking 0.18 0.73 – 0.9 0.92 – 1.1 25 WA** Average over all rangelands Destocking and fire management No data No data 0.15 – 0.62 20 Pilbara Various landforms Destocking 0.05 -0.06 -0.01 30 Pilbara Various landforms Intensification 0.04 0 0.04 30 Kimberley Various landforms Destocking -0.04 – 0.01 0.12 – 0.51 0.13 – 0.47 30 Kimberley Various landforms Intensification -0.02 – 0.21 0.08 – 1.66 0.06 – 1.88 30 Kimberley Various landforms Destocking and fire management 0.19 – 0.25 1.98 – 2.29 2.17 – 2.55 30 Note: Negative values indicate a net release of carbon. Sources: * Witt et al. 2011; ** Harper et al. 2007; *** Alchin et al. 2010.
Carbon%20farming%20in%20relation%20to%20Western%20Australian%20agriculture%20-%20Bulletin%204856%20%28Word%201.1MB%29.docx