176 | The measurement and evaluation of the exploitation of Atlantic salmon |
177 | Syngenta Pond Invertebrate Data (2002) |
178 | Progress Report winter 2001 |
179 | Ceraclea dissimilis larva, |
180 | Factors affecting salmon in the sea |
181 | Programme Area reviews of research and development : report on a review of water quality instrumentation and related data processing |
182 | National Demand Management Centre annual report 1994/95 |
183 | The industrial fishery for sandeels |
184 | An Aerial Photograph of Ferry House and The Pearsall Building |
185 | Ceraclea dissimilis larva, |
186 | Progress Report December 1992 |
187 | Progress Report June 1989 |
188 | Syngenta Pond Physchem Data (2003) |
189 | Heptagenia fuscogrisea |
190 | Progress Report December 1999 |
191 | Syngenta Pond Invertebrate Data (2004) |
192 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014 |
193 | Front cover of An Illustrated Guide to Aquatic and Water-Borne Hyphomycetes (Fungi Imperfecti), with Notes on their Biology |
194 | The interpretation of rod and net catch data |
195 | Acilius sulcatus adult, |
196 | Paraleptophlebia cincta |
197 | Ceraclea dissimilis larva, |
198 | Run timing of salmon |
199 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012 |
200 | Workshop Proceedings: fish movement in relation to freshwater flow and quality |