Invasive Species Presence

AUS-TGP-FOR-ISP General Moderate confidence

Benchmark Value

30 %
Thresholds: Lower: —, Upper: 30
Direction: Lower is desirable ↓
Form: MinimumOnly

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 6 benchmarks together — the OptimalRange form drives the primary score, while 5 guard(s) constrain the result.

Contributing Benchmarks

OptimalRange Primary MinimumOnly Guard LowerThreshold Guard MaximumOnly Guard Point Guard OptimalRange Guard

Evidence & Context

For the 'Grey Box (Eucalyptus microcarpa) Grassy Woodlands and Derived Native Grasslands' community, a key threshold is that a patch is not considered part of the protected community if non-grass weeds comprise more than 30% of the plant cover in the ground layer.

Metric Definition:

Cover percentage of non-grass exotic weeds in the ground layer.

Benchmark Definition:

Threshold of non-grass exotic weed cover beyond which the ecosystem is considered too degraded for national protection in temperate grassy woodlands and plains under production forestry.

Justification:

Based on EPBC Act condition thresholds for a related woodland community (Grey Box).

Sources (1)

Preview of Grasslands and Grassy Woodlands of the VVP: Landholders Guide - Greening Australia, accessed August 11, 2025,
Grasslands and Grassy Woodlands of the VVP: Landholders Guide - Greening Australia, accessed August 11, 2025, Journal

www.greeningaustralia.org.au, accessed May 17, 2025,

View Source

Supporting Sources (22)

Additional references from the underlying research that informed this benchmark.

Preview of (PDF) Determining reference conditions for management and ..., accessed August 5, 2025,
(PDF) Determining reference conditions for management and ..., accessed August 5, 2025,
Direct Evidence

(PDF) Impacts of tree invasion on floristic composition of subtropical grasslands on the Bunya Mountains, Australia - ResearchGate, accessed May 19, 2025

View Source
Preview of A strategy for dealing with invasive species in Australia, accessed August 12, 2025,
A strategy for dealing with invasive species in Australia, accessed August 12, 2025,
Contextual Support GreyLiterature

The impacts of invasive plant species on biodiversity of Australian rangelands

View Source
Preview of A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests - Frontiers, accessed August 9, 2025,
A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests - Frontiers, accessed August 9, 2025,
Contextual Support GreyLiterature

A Systematic Review of the Impact of Invasive Alien Plants on Forest Regeneration in European Temperate Forests - Frontiers, accessed August 9, 2025,

View Source
Preview of Conservation Assessment of White Box – Yellow Box – Blakely's Red Gum Grassy Woodland and Derived Native Grassland - Environment and Heritage - NSW Government, accessed August 12, 2025,
Conservation Assessment of White Box – Yellow Box – Blakely's Red Gum Grassy Woodland and Derived Native Grassland - Environment and Heritage - NSW Government, accessed August 12, 2025,
Contextual Support Journal

www.lls.nsw.gov.au, accessed May 19, 2025

View Source
Preview of Effectiveness of best practice management guides for improving invasive species management: a review - CSIRO Publishing, accessed August 9, 2025,
Effectiveness of best practice management guides for improving invasive species management: a review - CSIRO Publishing, accessed August 9, 2025,
Contextual Support Journal

Humane management of invasive species - DAFF, accessed August 9, 2025,

View Source
Preview of Fighting Plagues and Predators - CSIRO, accessed August 12, 2025,
Fighting Plagues and Predators - CSIRO, accessed August 12, 2025,
Contextual Support GreyLiterature

Fighting plagues and predators to protect Australia's biodiversity - CSIRO, accessed August 9, 2025,

View Source
Preview of Grassy woodlands | Landscape Australia, accessed August 5, 2025,
Grassy woodlands | Landscape Australia, accessed August 5, 2025,
Contextual Support GreyLiterature

Grassy woodlands | Landscape Australia, accessed August 4, 2025,

View Source
Preview of Grassy Woodlands of the Goulburn Broken Catchment, accessed August 9, 2025,
Grassy Woodlands of the Goulburn Broken Catchment, accessed August 9, 2025,
Contextual Support Journal

Grassy eucalypt woodland of the Victorian volcanic plain - listing advice

View Source
Preview of INVASIVE GRASSES WEED FACT SHEET, accessed August 12, 2025,
INVASIVE GRASSES WEED FACT SHEET, accessed August 12, 2025,
Contextual Support Journal

Invasive Plants in Australia: What You Can do to Control the Spread, accessed August 28, 2025,

View Source
Preview of Invasive Plants in Wisconsin - The Nature Conservancy, accessed August 9, 2025,
Invasive Plants in Wisconsin - The Nature Conservancy, accessed August 9, 2025,
Irrelevant GreyLiterature

A report on silvicultural guidelines for the 2024- 2033 Forest Management Plan to the Western Australian Department of Biodiversity, Conservation and, accessed August 9, 2025,

View Source
Preview of Managing for biodiversity: impact and action thresholds for invasive ...
Managing for biodiversity: impact and action thresholds for invasive ...
Contextual Support

Managing for biodiversity: impact and action thresholds for invasive ..., accessed August 9, 2025,

View Source
Preview of Natural Temperate Grassland of the South Eastern Highlands: a nationally protected ecological community - DCCEEW, accessed August 12, 2025,
Natural Temperate Grassland of the South Eastern Highlands: a nationally protected ecological community - DCCEEW, accessed August 12, 2025,
Direct Evidence Journal

Australia's Native Vegetation Framework - DAFF

View Source
Preview of O'Loughlin, T., O'Loughlin, L. S., Michael, D. R., Wood, J. T., Waudby ..., accessed July 10, 2025
O'Loughlin, T., O'Loughlin, L. S., Michael, D. R., Wood, J. T., Waudby ..., accessed July 10, 2025
Contextual Support Journal

O'Loughlin, T., O'Loughlin, L. S., Michael, D. R., Wood, J. T., Waudby ...

View Source
Preview of Reducing Risk, Securing the Future NSW Invasive Species Management Review Preliminary Report August 2024
Reducing Risk, Securing the Future NSW Invasive Species Management Review Preliminary Report August 2024
Contextual Support GreyLiterature

A strategy for dealing with invasive species in Australia, accessed August 9, 2025,

View Source
Preview of Restricted invasive plants - Business Queensland, accessed August 12, 2025,
Restricted invasive plants - Business Queensland, accessed August 12, 2025,
Contextual Support Government

Two new reports reveal the true cost of managing invasive species ..., accessed August 9, 2025,

View Source
Preview of The importance of temperate woodland in travelling stock reserves for vertebrate biodiversity conservation | Request PDF - ResearchGate, accessed July 15, 2025,
The importance of temperate woodland in travelling stock reserves for vertebrate biodiversity conservation | Request PDF - ResearchGate, accessed July 15, 2025,
Direct Evidence Journal

The importance of temperate woodland in travelling stock reserves for vertebrate biodiversity conservation | Request PDF - ResearchGate, accessed May 17, 2025,

View Source
Preview of The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands - CSIRO PUBLISHING | Australian Journal of Botany, accessed August 12, 2025,
The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands - CSIRO PUBLISHING | Australian Journal of Botany, accessed August 12, 2025,
Direct Evidence

Approved Conservation Advice for the White Box - Yellow Box - Blakely's Red Gum Grassy Woodland and Derived Native Grassland - DCCEEW, accessed August 6, 2025

View Source
Preview of The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands - Luke S. O'Loughlin, accessed August 9, 2025,
The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands - Luke S. O'Loughlin, accessed August 9, 2025,
Contextual Support Journal

The importance of travelling stock reserves for ... - CSIRO Publishing, accessed August 9, 2025,

View Source
Preview of The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands | Request PDF - ResearchGate, accessed July 15, 2025,
The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands | Request PDF - ResearchGate, accessed July 15, 2025,
Direct Evidence Journal

The importance of travelling stock reserves for maintaining high-quality threatened temperate woodlands | Request PDF - ResearchGate, accessed May 17, 2025,

View Source
Preview of Unassisted invasions: understanding and responding to Australia's high-impact environmental grass weeds - CSIRO Publishing, accessed August 6, 2025,
Unassisted invasions: understanding and responding to Australia's high-impact environmental grass weeds - CSIRO Publishing, accessed August 6, 2025,
Contextual Support Journal

INVASIVE GRASSES WEED FACT SHEET - Centre for Invasive ..., accessed August 9, 2025,

View Source
Preview of Victoria's Forests - Forestry Australia, accessed August 9, 2025,
Victoria's Forests - Forestry Australia, accessed August 9, 2025,
Contextual Support Journal

Victoria's Forests - Forestry Australia, accessed August 9, 2025,

View Source
Preview of White Box-Yellow Box- Blakely's Red Gum grassy woodlands and derived native grasslands information guide - DCCEEW, accessed August 9, 2025,
White Box-Yellow Box- Blakely's Red Gum grassy woodlands and derived native grasslands information guide - DCCEEW, accessed August 9, 2025,
Contextual Support Journal

White Box-Yellow Box- Blakely's Red Gum grassy woodlands and derived native grasslands information guide - DCCEEW, accessed August 9, 2025,

View Source

Context

  • Region Australia
  • Biome Temperate Grassy Woodlands & Plains
  • Land Use Production Forestry
  • Assessment Pristine Reference
  • Evidence Type DegradationThreshold

Lifecycle

  • Status Active
  • Version 1
  • Effective From 21 Mar 2026

Notes

Represents the point at which the ecosystem is considered too degraded to warrant national protection and has lost its recognized conservation value.

Related Benchmarks

Other benchmarks in the AUS-TGP-FOR-ISP family.

— % Moderate
Production Forestry · Pristine Reference
OptimalRange Active v1
— % Moderate
Production Forestry · Pristine Reference
LowerThreshold Active v1