526 | Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003 |
527 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
528 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
529 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
530 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
531 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
532 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
533 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
534 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
535 | The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
536 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
537 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
538 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
539 | A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids |
540 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
541 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
542 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |
543 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
544 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
545 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
546 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
547 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
548 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |
549 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
550 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |