826 | An investigation of the water quality in three Plymouth catchment streams |
827 | Protection of the Water Environment using Balancing Facilities |
828 | Review of water resources in the Fylde Aquifer and Wyre catchment |
829 | Water related recreation strategy for the southern region : consultation draft 1997 |
830 | The Menai Strait Catchment Managment Plan Action Plan; 1995 (Bilingual) |
831 | The River Arun catchment management plan : action plan |
832 | The River Ogmore catchment management plan : action plan |
833 | The Tawe and South Gower catchment management plan : action plan 1995 (bilingual) |
834 | The River Itchen salmon action plan : consultation document |
835 | The Rivers Test and Itchen : salmon management plan : a consultation document |
836 | The Mersey Estuary 1992 surveys : summary of results |
837 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
838 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
|
839 | The River Colne Estuary subtidal biological survey 1992 |
840 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
841 | Fisheries of the middle and lower Wylye and factors affecting their performance |
842 | Definition of the Extent and Vertical Range of Saltmarsh |
843 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
844 | Method for assessing the heritage value of net fisheries |
845 | Summary of monitoring activities on the blackwater estuary |
846 | An Investigation of Ecological Change in the Rivers Kennet and Lambourn |
847 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
848 | Alternative Methods For The Biological Classification Of Rivers |
849 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
850 | Medway Estuary fisheries survey 2000 : (incorporating the report for 1997 to 2000) |