| 576 | Algae or sewage? : helping you tell the difference |
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| 577 | The Role Of Bankside Habitat In River Ecology |
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| 578 | Economic changes to the value of water environment : draft final report |
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| 579 | NRA superannuation report and accounts for the period ended 31 March 1990 |
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| 580 | Wash zone report. Part 1 : the Wash NRA monitoring review |
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| 581 | Broadland flood alleviation strategy : the programme for flood defence works |
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| 582 | Water quality 2000 : a strategy for the water quality function |
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| 583 | Computer files used in the calculation of Rutland and Grafham yields |
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| 584 | The control of effluent discharges by a direct toxicity assessment (DTA) approach |
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| 585 | The Restoration of Floodplain Woodlands in Lowland Britain |
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| 586 | Take to the water : a beginner's guide to boating on inland waterways |
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| 587 | Report on the quality of bathing waters 1990 |
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| 588 | Guidance on the Assessment of Cause and Effect in Ecological Risk Assessment |
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| 589 | Wetlands for Wales : a strategy for the third millenium |
|---|
| 590 | Protecting and improving the water environment : model policies |
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| 591 | The Impacts of flooding on urban and rural communities |
|---|
| 592 | The relationship between turbidity and suspended solids in final effluents |
|---|
| 593 | General guide to the prevention of pollution of controlled water |
|---|
| 594 | The Environmental Impact of Fish Farming - A Review |
|---|
| 595 | The evaluation of an hydrolab DS3 submersible water quality monitor |
|---|
| 596 | Sustaining our resources : the way forward : summary document |
|---|
| 597 | The Removal of Technetium from EARP Waste Streams, Phase II |
|---|
| 598 | Evaluation of AN analytical sensors ammonium probe for the grant\YSI 3800 |
|---|
| 599 | 'Sea Vigil' water quality monitoring : the Humber estuary 1992-1993 |
|---|
| 600 | Metallothionein in eels from the Thames Estuary : an indicator of environmental quality |
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