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 | Quality audit of biological samples for the 1990 river quality survey |
4 | An assessment of river water quality in the River Kenn |
5 | Water quality investigations in the Newlyn river catchment |
6 | An audit of performance in the processing of macro-invertebrate samples in 1992 |