26 | Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3 |
27 | Enhancement of spring salmon- Proceedings of a one-day conference held in the Rooms of the Linnean Society of London |
28 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
29 | Water quality objectives: procedures used by the NRA for the purpose of surface waters river ecosystem) (classification) regulations 1994 |
30 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
31 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
32 | Links and Interactions Between the RBMPs and Development Plans in Scotland |
33 | The effects of fishing at low water levels |
34 | Enhancing the environment : 20 case studies in London |
35 | Fisheries of the middle and lower Wylye and factors affecting their performance |
36 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
37 | A Review of Methods for Assessing the Hydromorphology of Lakes |
38 | Guide to freshwater fishing in the Northern area of Anglian Region |
39 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
40 | The Blackwater River catchment management plan : first annual review 95/96 : Draft Document |
41 | Non-compliance with water quality objectives on the Croyde stream (upper catchment) |
42 | Hampshire and the Isle of Wight local contribution 2006/11 |
43 | River water quality in the Midlands 1994/95 : water quality summary data |
44 | The quality of rivers in England and Wales (1990 to 1995) |
45 | An assessment of river water quality in the River Kenn |
46 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
47 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
48 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
49 | Distribution of Azolla in the Great Ouse catchment |
50 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |