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GCN-HSI

Plugin ID: 5307

Semi-automated Great Crested Newt Habitat Suitability Index (HSI) calculator based on Oldham et al. (2000).

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Calculates the Great Crested Newt (GCN) Habitat Suitability Index for up to 10 candidate ponds per run.
v1.2 adds Sentinel-2 auto-calculation of pond permanence (SI3) and historical waterfowl data lookup (SI7) for Remote Assessments.
Automates SI1-SI7 scoring using national spatial datasets and habitat data, supports remote and full HSI assessments, per-pond overrides, and road barrier detection to exclude habitats and ponds on the far side of road features from scoring. Output is a polygon layer with per-pond HSI scores and traffic-light symbology.

Version QGIS >= QGIS <= Date
1.2 - 3.0.0 4.99.0 66 gigglesquid19 2026-09-02T15:08:04.421719+00:00
1.1 - 3.0.0 4.99.0 260 gigglesquid19 2026-06-22T09:36:40.575898+00:00
1.0 - 3.0.0 4.99.0 102 gigglesquid19 2026-06-08T10:05:03.729144+00:00