Gully Density

AUS-ASC-CON-GUL General Moderate confidence

Benchmark Value

0 m/ha
Direction: Lower is desirable ↓
Form: Point

Scoring Curve

Scoring curve unavailable

The scoring engine could not generate a curve for this benchmark context. The primary form is OptimalRange, 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 reference value of 0 m/ha for active, eroding gullies represents the ideal state of high environmental health and landscape stability in Australian Alpine and Subalpine Protected Natural Areas.

Metric Definition:

Length of active gullies per hectare, representing landscape stability and minimal erosion.

Benchmark Definition:

This benchmark represents the ideal state of minimal active gully erosion in Australian Alpine and Subalpine Conservation areas, where zero active gullies per hectare indicate high environmental health and landscape stability.

Justification:

This is based on qualitative scientific consensus that active gullies signify poor and deteriorating conditions and that conservation management aims to minimize such erosion.

Sources (1)

Preview of www.environment.nsw.gov.au, accessed May 28, 2025
www.environment.nsw.gov.au, accessed May 28, 2025

www.environment.nsw.gov.au, accessed May 28, 2025

View Source

Supporting Sources (16)

Additional references from the underlying research that informed this benchmark.

Preview of (PDF) Use of density‐impact functions to inform and improve the environmental outcomes of feral horse management - ResearchGate, accessed on May 27, 2025,
(PDF) Use of density‐impact functions to inform and improve the environmental outcomes of feral horse management - ResearchGate, accessed on May 27, 2025,
Contextual Support Journal

(PDF) Use of density‐impact functions to inform and improve the environmental outcomes of feral horse management - ResearchGate, accessed on May 27, 2025,

View Source
Preview of Alluvial Gully Erosion Rates and Processes Across the Mitchell River Fluvial Megafan in Northern Queensland, Australia - Resilient Landscapes Hub, accessed July 8, 2025,
Alluvial Gully Erosion Rates and Processes Across the Mitchell River Fluvial Megafan in Northern Queensland, Australia - Resilient Landscapes Hub, accessed July 8, 2025,
Contextual Support Government

What is the best technique to estimate topographic thresholds of ..., accessed July 17, 2025

View Source
Preview of Australian Heritage Database - DCCEEW, accessed on May 25, 2025,
Australian Heritage Database - DCCEEW, accessed on May 25, 2025,
Contextual Support Journal

Australian Heritage Database - DCCEEW

View Source
Preview of bio-prd-naturekit-public-data.s3.ap-southeast-2.amazonaws.com, accessed on May 27, 2025,
bio-prd-naturekit-public-data.s3.ap-southeast-2.amazonaws.com, accessed on May 27, 2025,
Contextual Support Journal

bio-prd-naturekit-public-data.s3.ap-southeast-2.amazonaws.com, accessed on May 27, 2025,

View Source
Preview of Distribution of Gully Erosion in Victoria | VRO | Agriculture Victoria, accessed on May 27, 2025,
Distribution of Gully Erosion in Victoria | VRO | Agriculture Victoria, accessed on May 27, 2025,
Contextual Support Government

Distribution of Gully Erosion in Victoria | VRO | Agriculture Victoria, accessed on May 27, 2025,

View Source
Preview of Factors related to gully erosion in woody encroachment in south-eastern Australia | Request PDF - ResearchGate, accessed on May 29, 2025,
Factors related to gully erosion in woody encroachment in south-eastern Australia | Request PDF - ResearchGate, accessed on May 29, 2025,
Contextual Support Journal

Discover the Top 6 Benefits of Regenerative Farming in Australia, accessed July 23, 2025

View Source
Preview of Greater Alpine NP Management Plan
Greater Alpine NP Management Plan
Contextual Support Journal

earth sciences values, accessed on May 27, 2025,

View Source
Preview of Gully erosion - NIWA Client report, accessed August 12, 2025
Gully erosion - NIWA Client report, accessed August 12, 2025
Contextual Support Journal

Alluvial Gully Erosion Rates and Processes Across the Mitchell River Fluvial Megafan in Northern Queensland, Australia - Resilient Landscapes Hub

View Source
Preview of Gully erosion | Erosion | Soil | Farm management | Agriculture Victoria, accessed May 13, 2025
Gully erosion | Erosion | Soil | Farm management | Agriculture Victoria, accessed May 13, 2025
Contextual Support Journal

Grazing impacts on gully dynamics indicate approaches for gully erosion control in northeast Australia - ResearchGate

View Source
Preview of Gully erosion prediction across a large region: Murray–Darling Basin, Australia, accessed August 1, 2025,
Gully erosion prediction across a large region: Murray–Darling Basin, Australia, accessed August 1, 2025,
Contextual Support GreyLiterature

Australia's State of the Forests Report, accessed July 20, 2025

View Source
Preview of Gully prevention and control: techniques, failures and effectiveness - SciSpace, accessed on May 27, 2025,
Gully prevention and control: techniques, failures and effectiveness - SciSpace, accessed on May 27, 2025,
Contextual Support Journal

Gully prevention and control: techniques, failures and effectiveness - SciSpace, accessed on May 27, 2025,

View Source
Preview of Identification of gully erosion activity and its influencing factors: A case study of the Sunshui River Basin | PLOS One, accessed July 16, 2025,
Identification of gully erosion activity and its influencing factors: A case study of the Sunshui River Basin | PLOS One, accessed July 16, 2025,
Contextual Support Journal

Classification of Erosion Gullies by Remote Sensing and Spatial Pattern Analysis in Black Soil Region of Eastern Kebai, accessed July 27, 2025,

View Source
Preview of National Soil Strategy - DAFF, accessed on May 27, 2025,
National Soil Strategy - DAFF, accessed on May 27, 2025,
Contextual Support Government

Conservation and land management 101: keeping Queensland's protected areas safe, accessed on May 27, 2025,

View Source
Preview of Rehabilitation effects on gully sediment yields and vegetation in a savanna rangeland - CSIRO Research Publications Repository, accessed on May 27, 2025,
Rehabilitation effects on gully sediment yields and vegetation in a savanna rangeland - CSIRO Research Publications Repository, accessed on May 27, 2025,
Contextual Support Journal

Gully mapping and drivers in the grazing lands of the Burdekin catchment (RP66G) Summary Report - Queensland Government publications

View Source
Preview of research-repository.griffith.edu.au, accessed on May 25, 2025,
research-repository.griffith.edu.au, accessed on May 25, 2025,
Contextual Support Journal

Impacts of Camping and Trampling on Australian Alpine and Subalpine Vegetation and Soils - Griffith Research Online

View Source
Preview of www.environment.nsw.gov.au, accessed on May 25, 2025,
www.environment.nsw.gov.au, accessed on May 25, 2025,
Contextual Support

The Australian Alps Bioregion - Environment and Heritage, accessed on May 27, 2025,

View Source

Context

  • Region Australia
  • Biome Alpine and Subalpine Complex
  • Land Use Conservation / Protected Natural Areas
  • Assessment Pristine Reference
  • Evidence Type ReferenceCondition

Lifecycle

  • Status Active
  • Version 1
  • Effective From 9 Jun 2026

Notes

The lower critical threshold is any active gully density >0 m/ha. The optimal range is 0 m/ha. Any measurable density of active gullies is considered detrimental. This benchmark applies specifically to active, contemporary erosion features, not stable, natural landscape depressions or well-vegetated drainage lines. No upper detrimental threshold — higher values are always worse.