BLS Mapping Scheme dataset, 1750-2009
Citation
British Lichen Society (2022). BLS Mapping Scheme dataset, 1750-2009. Occurrence dataset https://doi.org/10.15468/glbi05 accessed via GBIF.org on 2025-04-19.Description
Lichen distribution data at 10km square level, distinguishing records from before and since 1960.
Purpose
To collate data on lichen distributions.
Sampling Description
Quality Control
The data included in these maps has been verified by experts in the British Lichen Society. However, it is summary data and further detail and professional advice should be sought before it is used in contentious circumstances.Method steps
- The dataset has been compiled from field and herbarium records, and verified by specialist review.
Taxonomic Coverages
Geographic Coverages
The dataset covers the whole of Britain and Ireland, however surveys have been targetted on particular habitats and geographical areas at different times and the coverage is not complete. The absence of a record does not necessarily imply that the species is absent from that square.
Records are at 10km precision.
Bibliographic Citations
Contacts
originatorBritish Lichen Society
metadata author
British Lichen Society
distributor
NBN Atlas
27 Old Gloucester St, Holborn
London
WC1N 3AX
London
GB
email: admin@nbnatlas.org
Dr Janet Simkin
administrative point of contact
email: datamanager@britishlichensociety.org.uk