Basal Area
Benchmark Value
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 7 benchmarks together — the OptimalRange form drives the primary score, while 6 guard(s) constrain the result.
Contributing Benchmarks
Evidence & Context
Based on the synthesis of available evidence, a Basal Area range of 8 - 12 m²/ha is proposed as a reference benchmark for well-managed, ecologically healthy production forests in many typical Tropical Monsoonal Savannas.
Basal area, typically expressed in square meters per hectare (m²/ha), is a fundamental metric in forestry and ecological assessment. It quantifies the cross-sectional area of tree stems at breast height per unit of ground area, thereby reflecting stand density, average tree size, accumulated biomass, and overall forest structure.
This benchmark defines the typical basal area range for well-managed, ecologically healthy production forests in Tropical Monsoonal Savannas, reflecting high structural development and ecosystem integrity.
The 8-12 m²/ha range (for stems typically >10-20 cm DBH) is derived from well-studied, healthy tropical monsoonal savanna sites (e.g., TERN Litchfield Savanna SuperSite ~8.2 m²/ha; Howard Springs range 5.3-9.7 m²/ha) and mean values in mature natural systems (~7.4 m²/ha, >20cm DBH). This range represents high structural development and ecological integrity, considered achievable and desirable under best-practice production forestry that prioritizes ecosystem health.
Sources (2)
Social‐ecological resilience thinking: Can indigenous culture guide environmental management? - ResearchGate, accessed May 15, 2025
View SourceHollow formation in the Eucalyptus miniata–E. tetrodonta open forests and savanna woodlands of tropical northern Australia - ResearchGate, accessed May 15, 2025
View SourceSupporting Sources (5)
Additional references from the underlying research that informed this benchmark.
depws.nt.gov.au, accessed May 15, 2025
View SourceLivestock grazing management and biodiversity conservation in Australian temperate grassy landscapes
View SourceFire exclusion and the changing landscape of Queensland's Wet Tropics Bioregion 1. The extent and pattern of transition - ResearchGate, accessed May 15, 2025
View SourceIronwood Erythrophleum chlorostachys in the Northern Territory ..., accessed May 15, 2025
View Sourcealuminium-stewardship.org, accessed May 15, 2025
View Source