326 | Alternative Methods For The Biological Classification Of Rivers |
327 | Land Use and Fisheries Report of the Pilot Study |
328 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
329 | Continuous water quality monitoring results for the Carnon river |
330 | Attenuation of nitrate in the sub-surface environment |
331 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
332 | Guardians of the water environment (NRA Thames Region) |
333 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
334 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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335 | The Test catchment southern : recommendations for statutory water quality objectives |
336 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
337 | An assessment of river water quality in the River Kenn |
338 | Dioxins and the River Doe Lea : plain English report |
339 | Narrowboats on the Thames : useful hints and tips |
340 | Locks and weirs on the river Thames : how do they work? |
341 | Second annual review of the Lower Bristol Avon catchment management plan |
342 | Second annual review of the Upper Bristol Avon catchment management plan |
343 | The River Avon and its tributaries near Malmesbury : river management studies |
344 | The quality of rivers and estuaries in Northumbria region 1990 |
345 | Pesticide residues in fish taken from the Newlyn River (1992) |
346 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
347 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
348 | Water quality investigations in the Newlyn river catchment |
349 | The River Alt/Crossens fish stock assessment 2001 |
350 | An assessment of water quality in the River Yarty catchment |