901 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
902 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
|
903 | The River Colne Estuary subtidal biological survey 1992 |
904 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
905 | Fisheries of the middle and lower Wylye and factors affecting their performance |
906 | Scoping guidance for the environmental assessment of projects |
907 | The drought of 1988-1992 in Anglia : a review |
908 | Definition of the Extent and Vertical Range of Saltmarsh |
909 | Method for assessing the heritage value of net fisheries |
910 | Summary of monitoring activities on the blackwater estuary |
911 | An Investigation of Ecological Change in the Rivers Kennet and Lambourn |
912 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
913 | Medway Estuary fisheries survey 2000 : (incorporating the report for 1997 to 2000) |
914 | Land Use and Fisheries Report of the Pilot Study |
915 | Guide to the use of control charts in water analysis |
916 | A Review of the Brogboroughand Landfill 2000 Test Cells Monitoring Data |
917 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
918 | Policy and practice for the protection of groundwater : regional appendix Anglian region |
919 | Post drought soil water recharge : a study of the processes of recharge |
920 | An assessment of the NRA algal growth inhibition test : 1993/4 |
921 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
922 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
923 | Attenuation of nitrate in the sub-surface environment |
924 | The use of herbicides to control weeds in or near water |
925 | Ecotoxicology : a report of the NRA R and D Ecotoxicology Group |