Credits

• We are very grateful to all the people that helped to create this app:

  Karolis Kazlauskis (CEH), Jim Bacon (CEH), Bill Bealey (CEH), Elin Roberts (CEH) and Pat Wolesley (NHM).

• The guide was written by P.A. Wolseley, I.D. Leith, L. Sheppard, J.E.J. Lewis, P.D. Crittenden and M.A. Sutton, based on a PhD thesis “Biomonitoring for atmospheric nitrogen pollution using epiphytic lichens and bryophytes” by J.E.J. Lewis (University of Nottingham). Photographs are by Harry Taylor, Natural History Museum.

• The guide has been produced in collaboration with:

  Centre for Ecology and Hydrology
  Natural History Museum
  The University of Nottingham
  SNIFFER
  Joint Nature Conservation Committee
  Scottish Natural Heritage
  Scottish Environment Protection Agency
  Northern Ireland Environment Agency