About gridmaps

Using datasets:
Surrey Wildlife Trust Nature Reserves - Tranche 1 Species Records: Surrey Biodiversity Information Centre
Dorset SSSI Species Records 1952 - 2004 (Natural England): Dorset Environmental Records Centre
BRERC April 2013: Bristol Regional Environmental Records Centre
Herefordshire Biological Records Centre Species Records: Herefordshire Biological Records Centre
St Helens Wildlife Dataset: St Helens Wildlife Recording Group
Sheffield Biological Records Centre- Non-sensitive Records from all taxonomic groups. : Sheffield Biological Records Centre
Lincolnshire Moths: Greater Lincolnshire Nature Partnership
Shropshire Ecological Data Network Database: Shropshire Ecological Data Network
Patrick Roper's Notebooks: Sussex Biodiversity Record Centre
Rotherham Biological Records Centre - Non-sensitive Records from all taxonomic groups: Rotherham Biological Records Centre
CCW Regional Data : South East Wales Non-sensitive Species Records: South East Wales Biodiversity Records Centre
Invertebrate Site Register - England (1738-2005).: Natural England
Suffolk Biological Records Centre (SBRC) dataset: Suffolk Biological Records Centre
Microlepidoptera of Glamorgan: South East Wales Biodiversity Records Centre
SER Species-based Surveys: Staffordshire Ecological Record
Species Recorded in Somerset: Somerset Environmental Records Centre
Bedfordshire Micro Moths (BNHS) - 1820-2012: Bedfordshire and Luton Biodiversity Recording and Monitoring Centre