Invasive Species Presence

AUS-TMI-FOR-ISP General High confidence

Benchmark Value

No specific value — see range
Direction: Lower is desirable ↓
Form: CompositeFramework

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

The benchmark represents the best available condition for production forestry on Australian subtropical maritime islands, derived from the explicit goals and observed outcomes of world-leading eradication and restoration programs on Lord Howe and Norfolk Islands. For key transformative invasive species, the optimal state for ecological health and sustainable production is zero presence.

Metric Definition:

Presence or absence of self-sustaining populations of key transformative invasive species in production forestry systems.

Benchmark Definition:

This benchmark defines the optimal ecological health state for production forestry on Australian subtropical maritime islands as the absence of self-sustaining populations of key invasive species, based on successful eradication and restoration efforts on Lord Howe and Norfolk Islands.

Justification:

This conclusion is derived from comprehensive analysis and empirical evidence from eradication and restoration programs on Lord Howe and Norfolk Islands, demonstrating that any presence of these species is incompatible with high ecological health.

Sources (1)

Preview of Lord Howe Island Biodiversity Management Plan, accessed July 30, 2025
Lord Howe Island Biodiversity Management Plan, accessed July 30, 2025 Journal

Lord Howe Island Biodiversity Management Plan, accessed July 30, 2025

View Source

Context

  • Region Australia
  • Biome Tropical & Subtropical Maritime Islands
  • Land Use Production Forestry
  • Assessment Not Stated
  • Evidence Type ReferenceCondition

Lifecycle

  • Status Active
  • Version 1
  • Effective From 9 Jun 2026

Notes

The benchmark is qualitative and eradication-focused, with zero presence as the optimal state. The presence of any self-sustaining population of listed invasive species indicates a degraded state requiring immediate management intervention. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.