We are very grateful to the following organisations which have generously given us information, advice and support:
Advisory Board and other members of the RTS and TRRT
Anne Carpmeal Charitable Trust
Beale Park Trust
Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust (BBOWT)
Cotswold Water Park Trust
Earth Trust
Environment Agency
Essex Wildlife Trust
Friends of Ham Lands
Friends of the Trap Grounds
Greenspace Information for Greater London
Hurst Meadow Trust
National Trails Office
National Trust
Oxford City Council
Oxford Preservation Trust
River and Rowing Museum, Henley
Royal Society for the Protection of Birds (RSPB)
Surrey Wildlife Trust
Thames Estuary Partnership
Thames Water
University of Oxford
Wilderness Expertise
Wiltshire Wildlife Trust