26 | The Tees catchment (river factfiles) |
27 | The Northumberland catchment (river factfiles) |
28 | The tidal Thames : fact file |
29 | The Dee regulation scheme (bilingual) |
30 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
31 | The extent of phosphorus release in the Norfolk Broads |
32 | Preventing the spread of crayfish plague in the South West |
33 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
34 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
35 | Fish found in the tidal Thames |
36 | Beneath the town : safeguarding Bodmin from flooding |
37 | The River Lark project Model Manual |
38 | Lake restoration : the role of biomanipulation : a one day seminar held in the Broads 18th March 1993 : organised by the National Rivers Authority and the Broads Authority |
39 | Study of the River Stour, Kent |
40 | Flood defences : the Lower Witham strategy |
41 | The Tame catchment (NRA Severn-Trent 67) |
42 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
43 | The River Lark project Final Report |
44 | The Nidd and Wharfe catchment (river factfiles) |
45 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
46 | The Ribble fisheries management plan : a consultation document produced by the National Rivers Authority |
47 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
48 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
49 | Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
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50 | A report on the 1992 strategic stock assessment survey of the upper Dewent catchment and the River Marron with particular reference to salmonids |