Invasive Species Presence

AUS-TMS-IND-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 detrimental threshold is effectively the point of establishment for any high-impact, declared invasive species. Any presence is detrimental and represents increasing ecological damage.

Metric Definition:

Any presence of high-impact invasive species such as Gamba Grass, feral cats, or cane toads.

Benchmark Definition:

This threshold defines the detrimental level as any presence of high-impact invasive species in Tropical Monsoonal Savannas under industrial land use.

Justification:

Ecological literature and threat profiles indicate no beneficial presence level; impact scales negatively from establishment.

Sources (3)

Preview of Feral animals | NT.GOV.AU
Feral animals | NT.GOV.AU

Feral animals | NT.GOV.AU

View Source
Preview of Gamba Grass Management Guide - Northern Territory Government
Gamba Grass Management Guide - Northern Territory Government GreyLiterature

Gamba Grass Management Guide - Northern Territory Government

View Source
Preview of Habitat structure facilitates coexistence of native and invasive mesopredators in an Australian tropical savanna - CSIRO PUBLISHING | Wildlife Research
Habitat structure facilitates coexistence of native and invasive mesopredators in an Australian tropical savanna - CSIRO PUBLISHING | Wildlife Research Journal

Cane Toad Risk Assessment - Department of Primary Industries, Queensland

View Source

Supporting Sources (3)

Additional references from the underlying research that informed this benchmark.

Preview of NT Weeds Management Act 2001
NT Weeds Management Act 2001
Contextual Support Journal

NT Weeds Management Act 2001

View Source
Preview of Ranger Mine Closure Plan
Ranger Mine Closure Plan
Regulatory Framework Government

New resources available for best practice weed management - DAFF, accessed July 23, 2025,

View Source
Preview of Ranger Mine Management Plan PLN005
Ranger Mine Management Plan PLN005
Direct Evidence Journal

Ranger Mine Management Plan PLN005

View Source

Context

  • Region Australia
  • Biome Tropical Monsoonal Savannas
  • Land Use Industrial & Infrastructure Use
  • Assessment Not Stated
  • Evidence Type DegradationThreshold

Lifecycle

  • Status Superseded
  • Version 2
  • Effective From 6 Jun 2026
  • Effective To 6 Jun 2026

Notes

More invasive species presence always correlates with greater ecological harm; no beneficial plateau exists. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.