26 | The Tawe and South Gower catchment management plan : action plan 1995 (bilingual) |
27 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
28 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
29 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
30 | A survey of ferruginous minewater impacts in the Welsh coalfields |
31 | A survey of ferruginous minewater impacts in the Welsh coalfields |
32 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
33 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
34 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
35 | A review of factors affecting the abundance and catch of spring salmon fom the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
36 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
37 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
38 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
39 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
40 | Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment |
41 | Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990 |
42 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
43 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |
44 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
45 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
46 | The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu |
47 | The River Taf catchment management plan : action plan 1995 (bilingual) : Cynllun rheoli dalgylch Afon Taf : cynllun gweithredu 1995 |
48 | Algal growth in the impounded waters of a proposed barrage at Cardiff Bay : prediction using 1989 data |