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1226Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1227The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
1228Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1229Guidance to agency officers on the provision of technically competent management (multiple sites) at licensed waste facilities
1230An investigation into the best method to combine national and local data to develop site-specific critical loads
1231Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report
1232Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987
1233Audit of priority species of rivers and wetlands : riverine and wetland molluscs in South Hampshire and the Isle of Wight
1234Audit of priority species of rivers and wetlands : kingfisher Alcedo atthis in South Hampshire and the Isle of Wight
1235Audit of priority species of rivers and wetlands : Marsh Fritillary in South Hampshire and the Isle of Wight
1236Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight
1237Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996)
1238Audit of priority species of rivers and wetlands : white-clawed crayfish Austropotambius pallipes in South Hampshire and the Isle of Wight
1239Development of data and information sources on Natura 2000 estuarine sites in the North West : Duddon Estuary : final report
1240The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1241River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region
1242River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991
1243Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report
1244International Workshop On The Uses Of Backfill In Nuclear Waste Repositories, Carlsbad, New Mexico, Usa, May 1998
1245Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
1246The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995
1247The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature
1248List of R and D outputs September 1989 to September 1995 : the National Rivers Authority's R and D programme
1249Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987
1250The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558)