| 1251 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report |
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| 1252 | Audit of priority species of rivers and wetlands : riverine and wetland molluscs in South Hampshire and the Isle of Wight |
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| 1253 | Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight |
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| 1254 | Audit of priority species of rivers and wetlands : Marsh Fritillary in South Hampshire and the Isle of Wight |
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| 1255 | Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight |
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| 1256 | 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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| 1257 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 1258 | Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software |
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| 1259 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
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| 1260 | River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991 |
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| 1261 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report |
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| 1262 | International Workshop On The Uses Of Backfill In Nuclear Waste Repositories, Carlsbad, New Mexico, Usa, May 1998 |
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| 1263 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
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| 1264 | River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire |
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| 1265 | The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995 |
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| 1266 | EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect" |
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| 1267 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
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| 1268 | The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
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| 1269 | List of R and D outputs September 1989 to September 1995 : the National Rivers Authority's R and D programme |
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| 1270 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987 |
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| 1271 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 1272 | The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558) |
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| 1273 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2011 |
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| 1274 | Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight |
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| 1275 | 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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