1 | 1999 annual report on fisheries in the North west incorporating the annual summary of fishery statistics |
2 | River Glen : river channel assessment : annex A a report of the nature, availability and extent of data and information relating to the River Glen and its catchment |
3 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
4 | A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing |