176 | Syngenta Pond Physchem Data (2003) |
177 | Heptagenia fuscogrisea |
178 | Progress Report December 1999 |
179 | Syngenta Pond Invertebrate Data (2004) |
180 | Front cover of An Illustrated Guide to Aquatic and Water-Borne Hyphomycetes (Fungi Imperfecti), with Notes on their Biology |
181 | The interpretation of rod and net catch data |
182 | Acilius sulcatus adult, |
183 | Paraleptophlebia cincta |
184 | Ceraclea dissimilis larva, |
185 | Run timing of salmon |
186 | Workshop Proceedings: fish movement in relation to freshwater flow and quality |
187 | Progress Report June 1994 |
188 | Plankton sampling |
189 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
190 | Problems with sea trout and salmon in the Western Highlands |
191 | Reed cutter used at the River Lab |
192 | Progress Report August 1982 |
193 | Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority |
194 | Sea trout facts |
195 | Progress Report December 1994 |
196 | Atlantic Salmon Research Trust Newsletter No. 9- March, 1976
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197 | Paraleptophlebia tumida |
198 | Setodes argentipunctellus larva, |
199 | Triaenodes bicolor larva, |
200 | Atlantic Salmon Trust Scalereadings summer 2004 |