| 651 | Assessment of river Phosphorus and Nitrogen from macroinvertebrate data using artificial intelligence techniques : technical report |
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| 652 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 653 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 654 | Killiow Stream pollution biological impact assessment |
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| 655 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
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| 656 | Physical environment for river invertebrate communities |
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| 657 | Teign estuary post scheme appraisal report of 1991 surveys : final draft report |
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| 658 | Analysis of 1995 Survey Data: Phase 2 Post-Survey Appraisal. Unit II: Changes in Biological Condition |
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| 659 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
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| 660 | Guide to the use of control charts in water analysis |
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| 661 | Health effects of white-water canoeing (320/1/W) |
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| 662 | River Deben alleviation of low flows scheme : an environmental appraisal. Appendices |
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| 663 | A Review of Methods for Assessing the Hydromorphology of Lakes |
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| 664 | East Devon public water supply strategy : preliminary assessment of epilithic algae summer and autumn 1992 - lower River Axe and Bruckland Stream |
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| 665 | A survey of trace metals in biota of the Mersey estuary 1993 |
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| 666 | Bioaccumulation as an approach for detection and monitoring of Red List trace organic contaminants (240/11/Y) : a literature review : interim report |
|---|
| 667 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
|---|
| 668 | Continuous water quality monitoring results for the Carnon river |
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| 669 | An assessment of the NRA algal growth inhibition test : 1993/4 |
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| 670 | Carnon River EC dangerous substance directive failure : final draft report |
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| 671 | Zinc in estuaries (Note 390) |
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| 672 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
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| 673 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
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| 674 | Wheal Jane : a clear way forward |
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| 675 | Abandoned mines and the water environment : report of the National Rivers Authority |
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