| 326 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
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| 327 | The Test catchment southern : recommendations for statutory water quality objectives |
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| 328 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
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| 329 | Dioxins and the River Doe Lea : plain English report |
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| 330 | Narrowboats on the Thames : useful hints and tips |
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| 331 | Locks and weirs on the river Thames : how do they work? |
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| 332 | Second annual review of the Lower Bristol Avon catchment management plan |
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| 333 | Second annual review of the Upper Bristol Avon catchment management plan |
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| 334 | The River Avon and its tributaries near Malmesbury : river management studies |
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| 335 | The quality of rivers and estuaries in Northumbria region 1990 |
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| 336 | Pesticide residues in fish taken from the Newlyn River (1992) |
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| 337 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
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| 338 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
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| 339 | Water quality investigations in the Newlyn river catchment |
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| 340 | An assessment of water quality in the River Yarty catchment |
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| 341 | Investigations of discharges into the River Lemon at Newton Abbot |
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| 342 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
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| 343 | The Ely Ouse catchment management plan : final plan : January 1994 |
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| 344 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
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| 345 | Water quality in Anglian Region : the first five years |
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| 346 | Monitoring of the Priory storm overflow on the River Tone at Taunton : June - November 1991 and water quality investigations unit January 1992 |
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| 347 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
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| 348 | Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary |
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| 349 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 350 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
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