| 326 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 327 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 328 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
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| 329 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
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| 330 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 331 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 332 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 333 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
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| 334 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 335 | The Blythe/Cole/Bourne catchment management plan : first annual review : July 1994 to July 1995 (NRA Severn-Trent 48)
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| 336 | Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software |
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| 337 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report |
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| 338 | Audit of priority species of rivers and wetlands : riverine and wetland molluscs in South Hampshire and the Isle of Wight |
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| 339 | Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight |
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| 340 | Audit of priority species of rivers and wetlands : Marsh Fritillary in South Hampshire and the Isle of Wight |
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| 341 | Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight |
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| 342 | Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight |
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| 343 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 344 | Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software |
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| 345 | River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region |
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| 346 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
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| 347 | River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991 |
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| 348 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
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| 349 | The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
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| 350 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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