| 26 | The ecology and management of riverine trees : interim report |
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| 27 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
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| 28 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 29 | Strategy for the use of field instrumentation in water quality monitoring |
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| 30 | Report on the quality of bathing waters 1990 |
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| 31 | Quality audit of biological samples for the 1990 river quality survey |
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| 32 | An interim report on the coastwatch bioaccumulation programme : metals |
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| 33 | Medway Estuary fisheries survey 2000 : (incorporating the report for 1997 to 2000) |
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| 34 | Audit report on the 1995 GQA biological survey |
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| 35 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 36 | Assessing and controlling the ecotoxicity of complex effluents |
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| 37 | An assessment of river water quality in the River Kenn |
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| 38 | Eel and elver studies in the Severn : interim report (256/6/ST) |
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| 39 | Pesticide residues in fish taken from the Newlyn River (1992) |
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| 40 | Doe Lea restoration study : the work of WRc |
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| 41 | Water quality investigations in the Newlyn river catchment |
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| 42 | An assessment of water quality in the River Yarty catchment |
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| 43 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
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| 44 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
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| 45 | Invertebrates of Esthwaite in relation to development of fish farming in the South Basin |
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| 46 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
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| 47 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
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| 48 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 49 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
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| 50 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
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