451 | A study of the mayfly parasite Spiriopsis adipophila, Arvy and Peters (1972) (=Sprininella adipophila, Arvy and Delage 1966) in Ephemera danica from the River Pang, a tributary of the River Thames |
452 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
453 | 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 |
454 | Warming to the idea : meeting the challenge of climate change in the South West : summary report : south west region climate change impacts scoping study |
455 | A field guide to the British seaweeds : as required for assistance in the classification of water bodies under the Water Framework Directive |
456 | 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 |
457 | 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 |
458 | 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 |
459 | The behaviour of adult salmon (Salmo salar L.) in the River Tay as determined by radio telemetry |
460 | Darwell Transfer Scheme. Final Report Part II. Location of the draw-off tower in the Darwell Reservoir |
461 | The biology of the sea trout. Summary of a symposium held at Plas Menai 24-26 October 1984 |
462 | Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997) |
463 | A strategy for the management of the new South East Area Biology Team across a dual location following restructuring |
464 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
465 | The Use Of DNA Fingerprinting To Study The Population Dynamics Of Otters (Lutra Lutra) In Southern Britiain - A Feasibility Study |
466 | Pesticides in the aquatic environment : regional data appendix : prepared by the National Centre for Toxic and Persistent Substances (TAPS) |
467 | Investigation into the effect of sewage disinfection on the bioaccumulation of chloroform, bromoform, dibromochloromethane and dichlorobromomethane by fucoid seaweeds |
468 | (3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
469 | Saving water : on the right track : a summary of current water conservation initiatives in the UK January 1998 |
470 | Sustainable water resources for the future : values and challenges : consultation document for the Environment Agency's water resources strategies |
471 | The team (without Tony) and their staff in their compound close to the shore of L. George 1967. |
472 | Enhancement of spring salmon- Proceedings of a one-day conference held in the Rooms of the Linnean Society of London |
473 | The environment and water resources projects. Volume 1 guidelines for the scoping and environmental assessment of water resources projects |
474 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
475 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |