Invasive Species Presence

AUS-ASC-FOR-ISP General High confidence

Benchmark Value

5 %

Direction: Lower is desirable ↓

Form: MaximumOnly

Scoring Curve

This curve shows how a field measurement for this indicator would score across all available benchmark forms in this context.

Evidence & Context

"% of Weed Cover made up of High Threat Weeds... <5%."

Metric Definition:

Percentage of total area covered by invasive weed species.

Benchmark Definition:

This benchmark represents the maximum acceptable percentage of area covered by high threat invasive weeds in riparian and wetland zones within production forestry areas to maintain ecological health.

Justification:

Represents the highest possible ecological health score for managing aquatic assets in Victorian forests.

Sources (1)

Victorian Department of Environment, Land, Water and Planning (2015). Aquatic value identification and risk assessment manual. Journal

Victorian Department of Environment, Land, Water and Planning (2015). Aquatic value identification and risk assessment manual.

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Supporting Sources (10)

Additional references from the underlying research that informed this benchmark.

DCCEEW (2011). Nomination for feral deer as a key threatening process.

Direct Evidence Journal

DCCEEW (2011). Nomination for feral deer as a key threatening process.

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Ecological assessments for WildCount - TEF

Direct Evidence Government

DCCEEW (2024). Bushfire recovery for wildlife and their habitat - Phase 2 Recovery and Resilience funded projects.

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Frontiers in Forests and Global Change (2020). Non-native Forest Pests in Australia.

Direct Evidence Journal

Frontiers in Forests and Global Change (2020). Non-native Forest Pests in Australia.

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Great Divide Northern Forests (2023–24) Scorecard Report

Direct Evidence Journal

Ecological Health Performance Scorecard report: Great Divide ...

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Motion on recreational hunting and invasive deer management

Regulatory Framework Government

Motion on recreational hunting and invasive deer management

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Murray Region Forestry Hub (2025). Blackberry Strategic Plan and Actions.

Contextual Support GreyLiterature

Murray Region Forestry Hub (2025). Blackberry Strategic Plan and Actions.

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Natural Resources Commission NSW (2022). Insights report - November 2022.

Direct Evidence Journal

Natural Resources Commission NSW (2022). Insights report - November 2022.

View Source

Supporting Communities Manage Pest Animals and Weeds Program - DAFF, accessed July 13, 2025

Regulatory Framework Government

Motion on recreational hunting and invasive deer management in Tasmania - Tasmanian Greens MPs

View Source

Preview of The importance of roads, nutrients, and climate for invasive plant establishment in riparian areas in the northwestern United States | Request PDF - ResearchGate

The importance of roads, nutrients, and climate for invasive plant establishment in riparian areas in the northwestern United States | Request PDF - ResearchGate

Contextual Support Journal

The importance of roads, nutrients, and climate for invasive plant establishment in riparian areas in the northwestern United States | Request PDF - ResearchGate

View Source

WA Department of Biodiversity, Conservation and Attractions (2009). Forest Health Surveillance Report.

Direct Evidence Journal

WA Department of Biodiversity, Conservation and Attractions (2009). Forest Health Surveillance Report.

View Source

Context

Region Australia
Biome Alpine and Subalpine Complex
Land Use Production Forestry
Assessment Conservation Target
Evidence Type HealthyOperationalRange

Lifecycle

Status Active
Version 1
Effective From 10 Jun 2026

Notes

Upper Critical Threshold: 5 %. Benchmark for Score 5 (highest health) in the 3rd round of the Index of Stream Condition.

Related Benchmarks

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