1 | The development of the Gammarus pulex feeding rate Bioassay |
2 | Stream survey and assessment in the Ashford and Folkestone areas |
3 | Alternative Methods For The Biological Classification Of Rivers |
4 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
5 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
6 | River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991 |