| 451 | Medway Estuary fisheries survey 2000 : (incorporating the report for 1997 to 2000) |
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| 452 | Land Use and Fisheries Report of the Pilot Study |
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| 453 | A Review of the Brogboroughand Landfill 2000 Test Cells Monitoring Data |
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| 454 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
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| 455 | The Identification of Oestrogenic Effects in Wild Fish - Phase II |
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| 456 | Attenuation of nitrate in the sub-surface environment |
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| 457 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |
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| 458 | Guardians of the water environment (NRA Thames Region) |
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| 459 | Audit report on the 1995 GQA biological survey |
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| 460 | Final report of the Stock Assessment Task Group |
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| 461 | A report on the use of pesticides at two Hampshire watercress farms |
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| 462 | Fact sheet for the RBCA tool kit for chemical releases |
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| 463 | Some guidance on the use of digital environmental data |
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| 464 | Assessing and controlling the ecotoxicity of complex effluents |
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| 465 | Charging for discharges scheme : guidance to the power generation industry |
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| 466 | Narrowboats on the Thames : useful hints and tips |
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| 467 | Eel and elver studies in the Severn : interim report (256/6/ST) |
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| 468 | Pesticide residues in fish taken from the Newlyn River (1992) |
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| 469 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
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| 470 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
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| 471 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
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| 472 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
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| 473 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
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| 474 | Groundwater flooding in the Thames region : winter 2000/01 |
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| 475 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
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