References for all species

  • Adams K (2003) Information on Black / water poplar
  • BBS (2002) Breeding Birds Survey Instructions. BBS (BBS, BTO, RSPB)
  • Benton T (2000) The Bumblebees of Essex. Lopinga Books.
  • Chinnery M (1993) Insects of Britain and Western Europe. Collins Pocket Guide . Collins.
  • Clark SAJ (1998) General Information on & advice on monitoring the Brown Hare (Lepus europaeus) University College London.
  • Countryside Commission for Wales (EA, EN) (1997) Allis and twaite shad - a conservation Message. CCW. ISBN 1 86169 027
  • Dedham Vale & Stour Valley Project. Leaflet. The story of the native Black Poplar - Britain's rarest native timber tree.
  • English Nature (2001) The Great Nut Hunt - Dormouse Survey Information Pack. English Nature ISBN 1 85716 574 8
  • Environment Agency (1999) Freshwater Crayfish in Britain & Ireland. EA
  • Environment Agency. (1999) (Leaflet) Identifying Freshwater Crayfish in Britain & Ireland . EA
  • Environment Agency (1999) (2nd Ed) Otters and River Management EA
  • Environment Agency (2003) Fourth Otter Survey of England 2000-2003 EA
  • EU - Life Nature "Developing a strategic network of spa reedbeds for Bitterns Botaurus stellaris (2003)
  • Game Conservancy Trust (1999) Grey Partridge Biodiversity Action Plan - Management Document. GCT.
  • Harvey P (2003) Information on Shrill carder bee and Hornet robber fly.
  • Langton T, Beckett and Foster J ( 2001) Great Crested Newt Conservation Handbook. Froglife. ISBN 0952110644
  • Jackson MJ & Howlett DJ (1999) Freshwater Molluscs of the River Waveny Grazing Marshes. Broads Authority (EA,EN)
  • Jackson MJ & Howlett DJ (2000) A survey of the terrestrial and amphibious molluscs of the upper Wensum valley. Environment Agency.
  • May A & Panter J (2000) A guide to the identification of deciduous broad-leaved trees and shrubs in winter. AIDGAP.
  • Mullarney K et al ( 2001) Bird Guide. Collins.
  • Peay S (2000) Guidance on Works affecting White-clawed Crayfish. English Nature / Environment Agency.
  • People's Trust for Endangered Species. (2002) The Great Stag Hunt II. PTES / EN
  • Ringwood Z (2001) An investigation into the life history and habitat requirements of Gortyna borelii lunata Freyer 1839. Writtle College
  • Rose F (1981) The Wild Flower Key. Warne. ISBN 0-7232-2419-6
  • Stewart KEJ, et al. (2003) A review of recent monitoring for three threatened Fritillaries. Butterfly Conservation Confidential report No. S03-09 Butterfly Conservation.
  • Strachan R (1998) Water Vole Conservation Handbook. Wildlife Conservation Research Unit (EN & EA) ISBN 0 9529371 1 5
  • Tarpey T (1999) Sea Hog's Fennel & Fisher's Estuarine Moth in Hamford Water. A Report for English Nature. Terri Tarpey.
  • Temple R, Clark S & Harris S (1999) The National Hare Survey. University of Bristol / PTES
  • Zahradnik J (2000) A field guide in colour to Bees & Wasps. Silverdale Books