Ground Cover - Tree Canopy

AUS-ASC-FOR-TCC General Moderate confidence

Benchmark Value

30 %

Direction: Higher is desirable ↑

Form: Point

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 9 benchmarks together — the OptimalRange form drives the primary score, while 8 guard(s) constrain the result.

Contributing Benchmarks

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

Evidence & Context

Alpine Ash/Rainforest (WDR) has a canopy cover benchmark of 30%.

Metric Definition:

Canopy cover percentage representing the proportion of land area covered by tree canopy.

Benchmark Definition:

This benchmark represents the structural condition benchmark for Alpine Ash/Rainforest community in Tasmania with 30% canopy cover.

Justification:

Large tree DBH threshold is 90 cm; stem density is 170 stems (all stems) per hectare.

Sources (1)

WDR Eucalyptus delegatensis forest over rainforest GreyLiterature

WDR Eucalyptus delegatensis forest over rainforest

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Supporting Sources (6)

Additional references from the underlying research that informed this benchmark.

Central Victorian Uplands bioregion - EVC 30: Wet Forest

Direct Evidence Journal

Central Victorian Uplands bioregion - EVC 30: Wet Forest

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First Urban Tree Canopy Cover Benchmark In Australia - Citygreen

Contextual Support GreyLiterature

First Urban Tree Canopy Cover Benchmark In Australia - Citygreen

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Health and distribution of the Snow Gum Eucalyptus pauciflora ssp. pauciflora in the Ballarat region of Victoria

Contextual Support Government

Health and distribution of the Snow Gum Eucalyptus pauciflora ssp. pauciflora in the Ballarat region of Victoria

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Major Australian cities fail international tree canopy goals: study - RMIT University

Contextual Support GreyLiterature

Major Australian cities fail international tree canopy goals: study - RMIT University

View Source

Mapping Windthrow Severity as Change in Canopy Cover in a Temperate Eucalypt Forest

Direct Evidence Journal

Forestry Tasmania. (2011). Monitoring and protecting eucalypt regeneration. Native Forest Silviculture Technical Bulletin No. 12.

View Source

Technical Bulletin 2: Eucalyptus delegatensis forests

Direct Evidence Journal

Forestry Tasmania. (2001). Eucalyptus delegatensis Forests. Technical Bulletin No. 2.

View Source

Ground Cover - Tree Canopy

Benchmark Value

Scoring Curve

Contributing Benchmarks

Evidence & Context

Sources (1)

Supporting Sources (6)

Context

Lifecycle

Related Benchmarks