| 51 | Bacterial quality of the bathing waters at Seaton, Cornwall, and of the River Seaton |
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| 52 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
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| 53 | Water resources for the future : a summary of the strategy for North East Region |
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| 54 | Water resources for the future : a summary of the strategy for Thames Region |
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| 55 | Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team |
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| 56 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
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| 57 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
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| 58 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
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| 59 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
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| 60 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 61 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
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| 62 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
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| 63 | The Adur and Ouse catchment abstraction management strategy : consultation document |
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| 64 | Environmental assessment of selected abandoned minewaters in the North East region |
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| 65 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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| 66 | An investigation of sewage on the beach at Porthcothan |
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| 67 | Conservation and development of the River Eden spring salmon population |
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| 68 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
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| 69 | State of the environment report for Thames Region : first update 2001 |
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| 70 | The River Avon and its tributaries near Malmesbury : river management studies |
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| 71 | The Seaton, Looe and Fowey catchment management plan : action plan |
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| 72 | Environmental planning issues in the North Wessex area |
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| 73 | River Great Ouse navigation : the Great Ouse your river for life |
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| 74 | Dioxins and the River Doe Lea : plain English report |
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| 75 | Valuing the Humber's environmental assets : proceedings of a seminar 15 November 2000 |
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