Invasive Species Presence

AUS-TMS-IND-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

The following benchmark represents the highest achievable standard of environmental health for the Invasive Species Presence indicator within this specific biome and land use context. Indicator Name: Invasive Species Presence Reference Value: Absence of Class A declared weeds; Active and effective containment and control of Class B declared weeds and other high-impact invasive species, with no new introductions or spread from the site, verified through a documented management system.

Metric Definition:

Presence or absence of invasive species, specifically the absence of Class A declared weeds and active containment and control of Class B declared weeds and other high-impact invasive species, verified through a documented management system.

Benchmark Definition:

This benchmark represents the highest standard of invasive species management in Tropical Monsoonal Savannas under industrial land use, defined by the absence of Class A weeds and active control of Class B and other high-impact invasive species.

Justification:

This benchmark is derived from a synthesis of legal obligations and best-practice industry objectives, reflecting a management-based state rather than a quantitative metric, as no such metric is consistently available or ecologically appropriate for high-disturbance industrial landscapes.

Sources (2)

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

NT Weeds Management Act 2001

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

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

View Source

Supporting Sources (4)

Additional references from the underlying research that informed this benchmark.

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

Feral animals | NT.GOV.AU

View Source
Preview of Gamba Grass Management Guide - Northern Territory Government
Gamba Grass Management Guide - Northern Territory Government
Contextual Support 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
Contextual Support Journal

Cane Toad Risk Assessment - Department of Primary Industries, Queensland

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 ReferenceCondition

Lifecycle

  • Status Superseded
  • Version 3
  • Effective From 6 Jun 2026
  • Effective To 6 Jun 2026

Notes

The benchmark reflects a verifiable state of management excellence rather than a static numerical target. Any presence of Class A weeds or unmanaged spread of Class B weeds represents a failure to meet the minimum legal and ecological standard of care. AssessmentContext defaulted to 'Not Stated' because the source document did not state one.