51 | 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 |
52 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
53 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
54 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |
55 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
56 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
57 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
58 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2000 |
59 | Rising groundwater levels in the chalk-basal sands aquifer of the Central London Basin. Progress report, March 1996 |
60 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
61 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
62 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
63 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
64 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
65 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
66 | The River Cam catchment management plan : annual monitoring report |
67 | Statement on public consultation for the Dove CMP : July 1995 |
68 | Strategic review of development and flood risk : the River Welland catchment |
69 | Strategic review of development and flood risk : the River Witham catchment |
70 | Time of travel on the [River] Chertsey Bourne under low flow conditions |
71 | Flood warning information for the Hertfordshire/Essex border : River Stort catchment |
72 | An environmental snapshot for the Anglian region 2003 |
73 | Contribution of small streams to potential fish production in the Conwy catchment |
74 | The ecology and management of riverine trees : interim report |
75 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |