This is an update request for the document Invertebrate survey and classification of rivers for nature conservation 1990/91 report
by J.F. Wright, R.J.M. Gunn, J.M. Winder, K.L. Symes, M.T. Furse and J.H. Blackburn
Your paper was deposited in NERC Open Research Archive
and appears online at http://nora.nerc.ac.uk/12881/1/N012881CR.pdf
Before we are able to make any updates or deletions, you must
ensure that the original record at this location is updated/removed.