776 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
777 | Water and the environment in times of drought |
778 | A strategy for the management of salmon in England and Wales |
779 | Algae or sewage? : helping you tell the difference |
780 | The Role Of Bankside Habitat In River Ecology |
781 | Economic changes to the value of water environment : draft final report |
782 | NRA superannuation report and accounts for the period ended 31 March 1990 |
783 | Broadland flood alleviation strategy : the programme for flood defence works |
784 | Water quality 2000 : a strategy for the water quality function |
785 | The Cam catchment, Anglian region : proposals for statutory water quality objectives |
786 | Computer files used in the calculation of Rutland and Grafham yields |
787 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
788 | The Restoration of Floodplain Woodlands in Lowland Britain |
789 | Take to the water : a beginner's guide to boating on inland waterways |
790 | Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment |
791 | Wetlands for Wales : a strategy for the third millenium |
792 | The Warwickshire Avon catchment management plan : consultation report : March 1994 |
793 | Protecting and improving the water environment : model policies |
794 | The Impacts of flooding on urban and rural communities |
795 | The River Thame : catchment review : first draft - 16th Februrary 1996 |
796 | The relationship between turbidity and suspended solids in final effluents |
797 | General guide to the prevention of pollution of controlled water |
798 | The Environmental Impact of Fish Farming - A Review |
799 | The Blackwater River catchment management plan : first annual review 95/96 : Draft Document |
800 | The evaluation of an hydrolab DS3 submersible water quality monitor |