251 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2011 |
252 | The effects of predation on salmon fisheries |
253 | Syngenta Pond Physchem Data (2000) |
254 | Predation of migratory salmonids |
255 | Brachycentrus subnubilus eggs |
256 | Athripsodes aterrimus |
257 | Agapetus fuscipes pupae |
258 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2014 |
259 | Rhithrogena haarupi |
260 | Potamophylax latipennis case, |
261 | FBA News 70 |
262 | Ceraclea dissimilis larva, |
263 | Setodes argentipunctellus larva, |
264 | Adult Glossosomatid spurs |
265 | Ceraclea dissimilis case, |
266 | Paraleptophlebia submarginata |
267 | Ecdyonurus insignis |
268 | Heptagenia fuscogrisea |
269 | Ecdyonurus torrentis |
270 | Factors affecting natural smolt production |
271 | The Opening Ceremony of The River Laboratory |
272 | Cover of A Key to the Adults and Nymphs of the British Stoneflies (Plecoptera), with Notes on their Ecology and Distribution |
273 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk F |
274 | Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology |
275 | Progress Report December 1998 |