526 | A report on fish production in the National Rivers Authority |
527 | Moston Brook Summary Report for the Evidence and Measures Project |
528 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
529 | Strategy for the use of field instrumentation in water quality monitoring |
530 | User notes for the Deben groundwater modelling package |
531 | Anthropogenic Influences on the temperature regime in a chalk river |
532 | Water and the environment in times of drought |
533 | Water and the environment in times of drought |
534 | A strategy for the management of salmon in England and Wales |
535 | Algae or sewage? : helping you tell the difference |
536 | Economic changes to the value of water environment : draft final report |
537 | NRA superannuation report and accounts for the period ended 31 March 1990 |
538 | Wash zone report. Part 1 : the Wash NRA monitoring review |
539 | Computer files used in the calculation of Rutland and Grafham yields |
540 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
541 | The Restoration of Floodplain Woodlands in Lowland Britain |
542 | Take to the water : a beginner's guide to boating on inland waterways |
543 | Report on the quality of bathing waters 1990 |
544 | Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment |
545 | Wetlands for Wales : a strategy for the third millenium |
546 | Protecting and improving the water environment : model policies |
547 | The Impacts of flooding on urban and rural communities |
548 | The relationship between turbidity and suspended solids in final effluents |
549 | General guide to the prevention of pollution of controlled water |
550 | The Environmental Impact of Fish Farming - A Review |