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Potential soil carbon sequestration for Australian coastal wetland ecosystems (saltmarsh, mangrove, and seagrass) in Victoria was calculated from 2020 to 2050 and 2020 to 2100 using the InVEST Coastal Blue Carbon Model v3.7 (Natural Capital Project). Annual carbon sequestration rates for each ecosystem were extrapolated over time to estimate net carbon sequestration. Restored ecosystems had sequestration rates that were initially lower than undisturbed ecosystems but caught up over time.
This layer represents potential carbon sequestration (tonnes C) per hectare by 2050 under the Sea Level Rise Scenario, in which current coastal ecosystems remain in place for the entire modelling period and sea level rise returns tidal inundation to low-lying areas. It is assumed that newly inundated areas would be restored to tidal marsh or mangrove. |