| 51 | An Aerial Photograph of Ferry House and The Pearsall Building |
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| 52 | The interpretation of rod and net catch data |
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| 53 | Problems with sea trout and salmon in the Western Highlands |
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| 54 | Toxicity Reduction Evaluation Case Summary for the Pulp and Paper Industry |
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| 55 | Sustaining our resources : the way forward : water resources strategy |
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| 56 | Status of rare fish : literature review of Freshwater Fish in the UK |
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| 57 | Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report |
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| 58 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
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| 59 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
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| 60 | Assessment of radioactive discharge screening levels for biota protected under the habitats regulations : April 2002 |
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| 61 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
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| 62 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
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| 63 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
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| 64 | Correspondence Relating to the Seismic Surveys of Lake District Water Bodies undertaken by Prof. Gerald Sargent in 1983 and 1987 |
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| 65 | The Effect of N Fertiliser forms on nitrous oxide emissions from UK arable and grassland. Defra project number NT2605 |
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| 66 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004 |
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| 67 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Devon, 2004 |
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| 68 | Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology |
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| 69 | Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987 |
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| 70 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
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| 71 | Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985 |
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| 72 | Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998 |
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| 73 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
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| 74 | Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology |
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| 75 | Database and atlas of aquatic vascular plants in the British Isles : part 2 : distribution maps (352/2/N and Y) |
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