51 | Impact of the signal crayfish Pacifastacus leniusculus and its associated crayfishery on the River Thame |
52 | Water resources for the future : a summary of the strategy for North East Region |
53 | A study of the mayfly parasite Spiriopsis adipophila, Arvy and Peters (1972) (=Sprininella adipophila, Arvy and Delage 1966) in Ephemera danica from the River Pang, a tributary of the River Thames |
54 | 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 |
55 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
56 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
57 | Second interim report on the environmental impacts of the drought on Yorkshire's rivers April 1995 to April 1996 |
58 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
59 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
60 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
61 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
62 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
63 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
64 | The Adur and Ouse catchment abstraction management strategy : consultation document |
65 | Environmental assessment of selected abandoned minewaters in the North East region |
66 | Instream Flow Requirements of the River Wissey, Norfolk, Annex C - April 1993
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67 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
68 | State of the environment report for Thames Region : first update 2001 |
69 | The Seaton, Looe and Fowey catchment management plan : action plan |
70 | Environmental planning issues in the North Wessex area |
71 | Continuous water quality monitoring results for the Carnon river |
72 | Valuing the Humber's environmental assets : proceedings of a seminar 15 November 2000 |
73 | An investigation into the bathing water quality at Porthallow |
74 | Pesticide residues in fish taken from the Newlyn River (1992) |
75 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |