1 | Viruses in the aquatic environment |
2 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
3 | Mercury, methylmercury and copper in the River Yare, Norfolk : summary of a report to the National Rivers Authority, Anglian Region |
4 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |
5 | Quality audit of biological samples for the 1990 river quality survey |
6 | The ecology and management of riverine trees : interim report |
7 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
8 | An assessment of river water quality in the River Kenn |
9 | Water quality investigations in the Newlyn river catchment |
10 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
11 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
12 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report |