Vegetation Extent

AUS-ASC-FOR-VEX General High confidence

Benchmark Value

0.5 ha

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. The scoring engine uses 2 benchmarks together — the MaximumOnly form drives the primary score, while 1 guard(s) constrain the result.

Contributing Benchmarks

MaximumOnly Primary MaximumOnly Guard

Evidence & Context

The maximum area of an individual canopy opening must not exceed 0.5 hectares.

Metric Definition:

Maximum spatial extent of an individual canopy opening created under the Australian Group Selection silvicultural system.

Benchmark Definition:

Maximum canopy opening size to mimic natural single-tree or windthrow gap dynamics.

Justification:

The cited source explicitly identifies the value as a regulatory maximum canopy opening size.

Sources (1)

Private Native Forestry Code of Practice for Southern NSW - FAOLEX, accessed May 15, 2025 Journal

Private Native Forestry Code of Practice for Southern NSW

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Supporting Sources (11)

Additional references from the underlying research that informed this benchmark.

Australia state of the environment 2021: land, accessed May 11, 2025

Direct Evidence Journal

Buffel grass in Queensland's semi-arid woodlands - CSIRO Publishing, accessed July 13, 2025

View Source

Bago State Forest - Snowy Valleys Tourism Upgrade Program - Forestry Corporation

Direct Evidence Journal

Forest Biodiversity Declines and Extinctions Linked with Forest ...

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Forestry Tasmania. (2010). Silvicultural systems for native eucalypt forests. Technical Bulletin No. 5.

Direct Evidence Journal

Victoria Native Remnant Patch Definition

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Management Standards and Procedures for timber harvesting operations

Direct Evidence

Management Standards and Procedures for timber harvesting operations

View Source

Monitoring Eucalyptus delegatensis in Tasmania

Direct Evidence

Monitoring Eucalyptus delegatensis in Tasmania

View Source

Permanent Native Forest Estate Policy

Direct Evidence Journal

Permanent Native Forest Estate Policy

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Policy for Maintaining a Permanent Native Forest Estate

Direct Evidence

Policy for Maintaining a Permanent Native Forest Estate

View Source

Preview of Schedule-1-Management-Standards-and-Procedures-for-timber-harvesting-operations-in-Victorias-State-forests.pdf, accessed March 28, 2026,

Schedule-1-Management-Standards-and-Procedures-for-timber-harvesting-operations-in-Victorias-State-forests.pdf, accessed March 28, 2026,

Direct Evidence Journal

Management Standards and Procedures for Timber Harvesting Operations in Victoria's State Forests

View Source

Silvicultural monitoring in uneven-aged highland dry Eucalyptus delegatensis forests in Tasmania

Direct Evidence

Monitoring Eucalyptus delegatensis in Tasmania

View Source

Technical Bulletin 5: Silvicultural systems for native eucalypt forests

Direct Evidence

Technical Bulletin 5: Silvicultural systems for native eucalypt forests

View Source

VNPA-Alpine-Ash-forests-of-mainland-Australia

Direct Evidence

VNPA-Alpine-Ash-forests-of-mainland-Australia

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Vegetation Extent

Benchmark Value

Scoring Curve

Contributing Benchmarks

Evidence & Context

Sources (1)

Supporting Sources (11)

Context

Lifecycle

Notes

Related Benchmarks