251 | The Role of Bankside Habitat in River Ecology: The importance of riparian and marginal vegetation on the distribution and abundance of aquatice invertebrates |
252 | The Movements of Atlantic Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Impounded Estuary of the R.Tawe, South Wales |
253 | Audit surveys in the NRA Thames region : a report on the surveys carried out in 1992/93 to assess the retention and enhancement of wildlife habitats during routine dredging operations |
254 | Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team |
255 | The Movements of Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Lower River and Estuary of the River Conwy, North Wales |
256 | Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993 |
257 | Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme |
258 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
259 | A review of available information sources for assessing the hazards and risks of chemical substances in the environment. Final report : recommendations for the acquistion of certain sources of environmental data |
260 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
261 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2010-2011 |
262 | The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry |
263 | Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir |
264 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2013-2014 |
265 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2011-2012 |
266 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2012-2013 |
267 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2012-2013 |
268 | The biology of the sea trout. Summary of a symposium held at Plas Menai 24-26 October 1984 |
269 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
270 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2013-2014 |
271 | The Use Of DNA Fingerprinting To Study The Population Dynamics Of Otters (Lutra Lutra) In Southern Britiain - A Feasibility Study |
272 | Pesticides in the aquatic environment : regional data appendix : prepared by the National Centre for Toxic and Persistent Substances (TAPS) |
273 | Investigation into the effect of sewage disinfection on the bioaccumulation of chloroform, bromoform, dibromochloromethane and dichlorobromomethane by fucoid seaweeds |
274 | (3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
275 | The team (without Tony) and their staff in their compound close to the shore of L. George 1967. |