Basal Area

AUS-TDG-LVG-BAS General Low confidence

Benchmark Value

No specific value — see range
Range: 5 to 20 m²/ha
Optimal Range: 5 to 20
Direction: Higher is desirable ↑
Form: OptimalRange

Scoring Curve

This curve shows how a field measurement for this indicator would score across all available benchmark forms in this context. The scoring engine uses 18 benchmarks together — the OptimalRange form drives the primary score, while 17 guard(s) constrain the result.

Evidence & Context

A synthesized indicative range of ~5 to 20 m²/ha is proposed for structurally intact and ecologically functional woodlands under low to moderate sustainable grazing.

Metric Definition:

Basal Area (BA) quantifies the cross-sectional area of tree stems at breast height per unit ground area, serving as a key indicator of stand density, structure, and biomass.

Benchmark Definition:

This benchmark represents the indicative basal area range for structurally intact and ecologically functional woodlands under low to moderate sustainable grazing in temperate dry woodlands and native grasslands.

Justification:

The range is synthesized from multiple sources including reference sites, recovering systems, and state benchmark frameworks, acknowledging ecological variability and lack of direct studies.

Sources (1)

Preview of Synthesis derived from multiple sources including Lindenmayer et al. (2020), Wardle et al. (2024), Florence (2002), Fensham (1998), NSW OEH (2019), Keto & Scott (2024). See report Sections 3 & 6 for details.
Synthesis derived from multiple sources including Lindenmayer et al. (2020), Wardle et al. (2024), Florence (2002), Fensham (1998), NSW OEH (2019), Keto & Scott (2024). See report Sections 3 & 6 for details. Journal

Synthesis derived from multiple sources including Lindenmayer et al. (2020), Wardle et al. (2024), Florence (2002), Fensham (1998), NSW OEH (2019), Keto & Scott (2024). See report Sections 3 & 6 for details.

View Source

Context

  • Region Australia
  • Biome Temperate Dry Woodlands & Native Grasslands
  • Land Use Livestock Grazing & Pasture
  • Assessment Not Stated
  • Evidence Type ReferenceCondition

Lifecycle

  • Status Active
  • Version 1
  • Effective From 8 Jun 2026

Notes

Indicative range for functional woodlands under sustainable grazing, synthesized due to lack of direct benchmark. Requires local validation. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.