501 | Enhancement of spring salmon- Proceedings of a one-day conference held in the Rooms of the Linnean Society of London |
502 | Cover of A Key to the Adults and Nymphs of the British Stoneflies (Plecoptera), with Notes on their Ecology and Distribution |
503 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
504 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2011-2012 |
505 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |
506 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
507 | The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines |
508 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2010-2011 |
509 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
510 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
511 | Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003 |
512 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
513 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
514 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
515 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
516 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft |
517 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
518 | A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk |
519 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
520 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
521 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
522 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
523 | Report on the quality of bathing waters in Hampshire, Sussex, Kent and the Isle of Wight : 1992 bathing season |
524 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |
525 | The development of biomanipulation techniques and control of phosphorus release from sediments (475/1/A) : LIFE project : restoration of the Norfolk Broads |