3451 | Policy and practice for the protection of floodplains |
3452 | Front Cover of Turbulence in Lakes and Rivers |
3453 | Maidenhead, Windsor and Eton flood alleviation scheme water quality study : final report appendices |
3454 | Ecdyonurus insignis |
3455 | Diagnostic Drawing: Chrysophyceae, |
3456 | Diagnostic Drawing: Conjugales desmids, |
3457 | Herbarium Image: Arenaria serpyllifolia |
3458 | Diagnostic Drawing: Cryptophyceae, |
3459 | Diagnostic Drawing: Cyanobacteria, |
3460 | Guardian of the water environment |
3461 | Drought : the dry facts |
3462 | Heptagenia fuscogrisea |
3463 | South West Region Plan Summary 1991/1992 |
3464 | Preventing the spread of crayfish plague in the South West |
3465 | Diagnostic Drawing: Cyanobacteria associated with tufa, |
3466 | Electron Microscope Image: Asterionella parasitised by Chytrid microfungus |
3467 | A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972. |
3468 | National Rivers Authority 1993/94 corporate plan and forward look to 1996/97 : summary |
3469 | Daily topsoil mineral nitrogen: AC0116, Dumfries, 2011 |
3470 | Background soil mineral nitrogen: AC0101, Nottinghamshire, 2008 |
3471 | Past achievements, present activities, future vision : annual review and summary accounts 1994-95 |
3472 | Leven Estuary project : fisheries component, final report |
3473 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
3474 | Water pollution incidents in England and Wales 1996 |
3475 | Development of a field test kit for blue-green algal toxins 1994 (348/6/A) : R and D draft final report |