Invasive Species Presence

AUS-TSR-LVG-ISP General High confidence

Benchmark Value

No specific value — see range
Direction: Higher 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

Reference Value: Absence of key invasive transformer species OR their active management to levels below functional impact thresholds.

Metric Definition:

Presence or absence of unmanaged, high-impact invasive species or their active management to levels below functional impact thresholds.

Benchmark Definition:

This benchmark reflects a state of high ecological function achieved through active, best-practice management, rather than a static cover percentage.

Justification:

The benchmark is framed as a qualitative state with clear, verifiable criteria focusing on ecological function and management response rather than a simplistic cover percentage.

Sources (1)

Preview of www.publish.csiro.au, accessed May 20, 2025,
www.publish.csiro.au, accessed May 20, 2025, Journal

The threats to Australia's imperilled species and implications for a national conservation response - CSIRO Publishing, accessed July 19, 2025,

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Supporting Sources (3)

Additional references from the underlying research that informed this benchmark.

Preview of BIODIVERSITY RESEARCH: Turning up the heat: the impacts of Andropogon gayanus (gamba grass) invasion on fire behaviour in northern Australian savannas | Request PDF - ResearchGate
BIODIVERSITY RESEARCH: Turning up the heat: the impacts of Andropogon gayanus (gamba grass) invasion on fire behaviour in northern Australian savannas | Request PDF - ResearchGate
Contextual Support Journal

The impacts of Andropogon gayanus (gamba grass) invasion on the fire danger index and fire management at a landscape scale - ResearchGate, accessed July 19, 2025,

View Source
Preview of Fighting Plagues and Predators - CSIRO, accessed July 19, 2025,
Fighting Plagues and Predators - CSIRO, accessed July 19, 2025,
Contextual Support GreyLiterature

Fighting Plagues and Predators - CSIRO, accessed July 19, 2025,

View Source
Preview of Impact threshold for an alien plant invader, Lantana camara L., on native plant communities
Impact threshold for an alien plant invader, Lantana camara L., on native plant communities
Direct Evidence Journal

Impact threshold for an alien plant invader, Lantana camara L., on native plant communities, accessed July 19, 2025,

View Source

Context

  • Region Australia
  • Biome Tropical & Subtropical Rainforests
  • Land Use Livestock Grazing & Pasture
  • Assessment Pristine Reference
  • Evidence Type ReferenceCondition

Lifecycle

  • Status Superseded
  • Version 2
  • Effective From 21 Mar 2026
  • Effective To 21 Mar 2026

Notes

The benchmark recognizes the realities of eradication where feasible and active suppression where not, emphasizing a process-based definition over any single percentage cover value.