1 | The effect of the voluntary initiative on water quality |
2 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
3 | Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works |
4 | The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment |
5 | Impact of the signal crayfish Pacifastacus leniusculus and its associated crayfishery on the River Thame |
6 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
7 | Guidance on the use of Bioassays in Ecological Risk Assessment |
8 | Stream survey and assessment in the Ashford and Folkestone areas |
9 | Environmental assessment of selected abandoned minewaters in the North East region |
10 | Metallothionein in eels from the Thames Estuary : an indicator of environmental quality |
11 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
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