| 976 | Front Cover of Some Methods for the Statistical Analysis of Samples of Benthic Invertebrates |
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| 977 | Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
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| 978 | Impact of watercress cultivation on river water quality- Progress report for the period January- December 1987 |
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| 979 | Invertebrates of Esthwaite in relation to development of fish farming in the South Basin |
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| 980 | Review of Literature on the Effect on Aquatic Communities of Particulate Copper in River Systems
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| 981 | Eutrophication in controlled waters in the Warwickshire Avon catchment (final report). Vol 2 : appendices |
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| 982 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
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| 983 | Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix |
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| 984 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 985 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
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| 986 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
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| 987 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 988 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 989 | Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991 |
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| 990 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
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| 991 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk D |
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| 992 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
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| 993 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
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| 994 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
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| 995 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
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| 996 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
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| 997 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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| 998 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 999 | Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987 |
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| 1000 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk A |
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