About gridmaps

Using datasets:
BRERC April 2013: Bristol Regional Environmental Records Centre
HBRG Insects Dataset: Highland Biological Recording Group
Herefordshire Biological Records Centre Species Records: Herefordshire Biological Records Centre
St Helens Wildlife Dataset: St Helens Wildlife Recording Group
Lincolnshire Moths: Greater Lincolnshire Nature Partnership
Shropshire Ecological Data Network Database: Shropshire Ecological Data Network
NE Scotland butterfly and moth records 1800-2010: North East Scotland Biological Records Centre
Patrick Roper's Notebooks: Sussex Biodiversity Record Centre
Rotherham Biological Records Centre - Non-sensitive Records from all taxonomic groups: Rotherham Biological Records Centre
Welsh Invertebrate Database (WID): Natural Resources Wales
Yorkshire Wildlife Trust - Non-sensitive records from all taxonomic groups: Yorkshire Wildlife Trust
Invertebrate Site Register - England (1738-2005).: Natural England
WBRC Species data for Worcestershire collated by date.: Worcestershire Biological Records Centre
Wiltshire & Swindon Site-based Survey Records: Wiltshire and Swindon Biological 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
Sussex Moth data for 2011 and 2012 DEFRA FUNDED: Sussex Biodiversity Record Centre
Lepidoptera species distribution dataset from 1981 to 2008 for Cornwall and the Isles of Scilly: Environmental Records Centre for Cornwall and the Isles of Scilly