426 | The Movements of Salmon (Salmo salar L.) and Sea Trout (Salmo trutta L.) Smolts in the Lower River and Estuary of the River Conwy, North Wales |
427 | Report on the results of a comparison of data from two surveys of the microfauna of the wash carried out in 1991 and 1993 |
428 | Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme |
429 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
430 | A review of available information sources for assessing the hazards and risks of chemical substances in the environment. Final report : recommendations for the acquistion of certain sources of environmental data |
431 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
432 | Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3 |
433 | Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region |
434 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
435 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2010-2011 |
436 | The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry |
437 | Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir |
438 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2013-2014 |
439 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2011-2012 |
440 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2012-2013 |
441 | Recorded data from the Black Bridge weather station (weather station 2) in the Wensum Catchment between 2012-2013 |
442 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
443 | The biology of the sea trout. Summary of a symposium held at Plas Menai 24-26 October 1984 |
444 | Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997) |
445 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
446 | Water conservation planning in the USA : meeting organised by the Environment Agency and CIWEM, 14th June 1996, CBI |
447 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2013-2014 |
448 | The Use Of DNA Fingerprinting To Study The Population Dynamics Of Otters (Lutra Lutra) In Southern Britiain - A Feasibility Study |
449 | Pesticides in the aquatic environment : regional data appendix : prepared by the National Centre for Toxic and Persistent Substances (TAPS) |
450 | Investigation into the effect of sewage disinfection on the bioaccumulation of chloroform, bromoform, dibromochloromethane and dichlorobromomethane by fucoid seaweeds |