Spatial risk analysis for Phytophthora ramorum infection in Larch fragments in Scotland

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Environmental Information Data Centre
Last updated:
19 November 2025
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Summary

This dataset maps the risks of Phytophthora ramorum infection for 79062 larch fragments identified in Scotland, of which 79060 were assigned a risk score. Two fragments without climate and/or habitat suitability scores were excluded. Fragment risk scores integrate multiple risk factors. The primary risk factor is climate suitability for P. ramorum using pathogen-specific temperature-dependent growth curves and a relative humidity threshold. Other risk factors integrated are proximity to larch/infected larch within 500m or 5000m and other (non-Larch) wider environment infections within 1500m. Presence of alternative hosts are scored using habitat suitability within the fragment for sporulating hosts (Vaccinium myrtillus, V. vitis-idaea, Acrostaphylos uva-versi) and the reservoir host Rhododendron ponticum. Additionally, proximity to inspected premises with confirmed infections and the presence of water courses are also assessed. The maximum possible risk score for a larch fragment is 12. Fragments were also classified as low, medium or high risk. Full details about this dataset can be found at https://doi.org/10.5285/f6809e00-91cb-494d-babd-5d60d938ad97

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Added to data.gov.uk
2025-11-13
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If you reuse this data, you should cite: Barwell, L., Turvey, K., Amankwaa, G., Asaaga, F., Cooke, D.E.L., Mitchell, R., Purse, B.V. (2025). Spatial risk analysis for Phytophthora ramorum infection in Larch fragments in Scotland. NERC EDS Environmental Information Data Centre https://doi.org/10.5285/f6809e00-91cb-494d-babd-5d60d938ad97
Harvest GUID
f6809e00-91cb-494d-babd-5d60d938ad97
Extent
Latitude: 60.861° to °
Longitude: -8.648° to -0.728°
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Dataset reference date
2025-10-17 (publication)
2025-09-10 (creation)
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ISO 19139 resource type
dataset
Metadata language
eng
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