501 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2010-2011 |
502 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
503 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
504 | A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish |
505 | Brown trout habitat assessment on the River Bela catchment (as recommended by the strategic fisheries stock Assessment Task Group 1995) |
506 | Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003 |
507 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
508 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
509 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
510 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
511 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
512 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
513 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
514 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
515 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
516 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
517 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
518 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
519 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
520 | Preliminary modelling of water storage and transfers in the Anglian region : supporting documentation for the regional water resources strategy May 1993 |
521 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
522 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
523 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
524 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
525 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |