Soil Organic Carbon (SOC)

AUS-AIF-LVG-SOC General Low confidence

Benchmark Value

No specific value — see range
Range: 1.5 to 4 %
Optimal Range: 1.5 to 4
Direction: Higher is desirable ↑
Form: OptimalRange

Scoring Curve

Scoring curve unavailable

The scoring engine could not generate a curve for this benchmark context. The primary form is CompositeFramework, but the benchmark data may be missing required fields (e.g., optimal range bounds for an OptimalRange benchmark). This is typically a data quality issue in the benchmark pipeline.

Evidence & Context

An inferred optimal range for healthy, resilient floodplain grazing soils is 1.5% to 4.0% SOC.

Metric Definition:

Optimal range of Soil Organic Carbon (SOC) supporting healthy, resilient grazing systems

Benchmark Definition:

This benchmark defines the optimal soil organic carbon range for healthy and resilient grazing soils in arid inland floodplains, supporting sustainable livestock grazing.

Justification:

Based on data synthesis and expert inference representing a functioning ecosystem well above degradation threshold.

Sources (1)

Preview of Carbon storage value of native vegetation on a subhumid–semi-arid floodplain
Carbon storage value of native vegetation on a subhumid–semi-arid floodplain Journal

Carbon storage value of native vegetation on a subhumid–semi-arid floodplain

View Source

Supporting Sources (1)

Additional references from the underlying research that informed this benchmark.

Preview of Carbon storage in temperate and semi-arid Australian plant communities containing cotton
Carbon storage in temperate and semi-arid Australian plant communities containing cotton
Contextual Support Journal

Baseline map of organic carbon in Australian soil to support national carbon accounting and monitoring under climate change

View Source

Context

  • Region Australia
  • Biome Arid Inland Floodplains & Ephemeral River Systems
  • Land Use Livestock Grazing & Pasture
  • Assessment Not Stated
  • Evidence Type HealthyOperationalRange

Lifecycle

  • Status Active
  • Version 1
  • Effective From 3 Jun 2026

Notes

This range signifies a system that is functioning well, resilient to climatic stress, and approaching the natural potential of the landscape. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.