451 | Enhancement of spring salmon- Proceedings of a one-day conference held in the Rooms of the Linnean Society of London |
452 | Cover of A Key to the Adults and Nymphs of the British Stoneflies (Plecoptera), with Notes on their Ecology and Distribution |
453 | The environment and water resources projects. Volume 1 guidelines for the scoping and environmental assessment of water resources projects |
454 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
455 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2011-2012 |
456 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |
457 | The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines |
458 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2010-2011 |
459 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
460 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
461 | A report on the 1993 strategic stock assessment survey of the Eamont catchment with particular reference to salmonid fish |
462 | Brown trout habitat assessment on the River Bela catchment (as recommended by the strategic fisheries stock Assessment Task Group 1995) |
463 | Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003 |
464 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
465 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
466 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
467 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
468 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
469 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
470 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1995 |
471 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
472 | A report on the strategic stock assessment survey of the River Esk catchment 1994 with particular reference to salmonids |
473 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
474 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
475 | Report on Grayling research and production in the Anglian region of the National Rivers Authority, December 1988 to April 1989 |