| 601 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2012 |
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| 602 | Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996) |
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| 603 | 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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| 604 | Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001) |
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| 605 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 606 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
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| 607 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
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| 608 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
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| 609 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
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| 610 | The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
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| 611 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 612 | The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558) |
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| 613 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2011 |
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| 614 | Environmental assessment of Denver MRF : impact of freshwater flow on water quality of the Great Ouse estuary : draft working paper 3 |
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| 615 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 616 | Strategic Land Use Planning In Europe And Usa: Review Of Best Practice For The Environment Agency (Vol 1 Overview And Recommendations) |
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| 617 | Water wise : are you pouring money down the drain? (Bilingual) : Doeth a dwr : ydych chi'n tywallt arian i lawr y draen? |
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| 618 | Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 1 : report and executive summary |
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| 619 | East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records |
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| 620 | Economic appraisal and assessment of benefits in the PR04 environment programme : findings of an environment agency seminar, January 2003 |
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| 621 | NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992 |
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| 622 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
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| 623 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
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| 624 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
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| 625 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |
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