| 3476 | Diagnostic Drawing: Cryptophyceae, |
|---|
| 3477 | Diagnostic Drawing: Cyanobacteria, |
|---|
| 3478 | Guardian of the water environment |
|---|
| 3479 | Drought : the dry facts |
|---|
| 3480 | Heptagenia fuscogrisea |
|---|
| 3481 | South West Region Plan Summary 1991/1992 |
|---|
| 3482 | Preventing the spread of crayfish plague in the South West |
|---|
| 3483 | Diagnostic Drawing: Cyanobacteria associated with tufa, |
|---|
| 3484 | Electron Microscope Image: Asterionella parasitised by Chytrid microfungus |
|---|
| 3485 | 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. |
|---|
| 3486 | National Rivers Authority 1993/94 corporate plan and forward look to 1996/97 : summary |
|---|
| 3487 | Daily topsoil mineral nitrogen: AC0116, Dumfries, 2011 |
|---|
| 3488 | Background soil mineral nitrogen: AC0101, Nottinghamshire, 2008 |
|---|
| 3489 | Past achievements, present activities, future vision : annual review and summary accounts 1994-95 |
|---|
| 3490 | Leven Estuary project : fisheries component, final report |
|---|
| 3491 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
|---|
| 3492 | Water pollution incidents in England and Wales 1996 |
|---|
| 3493 | Development of a field test kit for blue-green algal toxins 1994 (348/6/A) : R and D draft final report |
|---|
| 3494 | The potential of sedimentary phosphorus to sustain algal growth following reduction in external loading. Recycle pathways for phosphorus in lakes: evidence from large limnetic enclosures (Lund Tubes) |
|---|
| 3495 | Proposed scheme of charges in respect of discharges to controlled waters |
|---|
| 3496 | Anglian region telemetry system : revised strategy for phases 2, 3 and 4. |
|---|
| 3497 | Methane Emissions From Different Landfill Categories(Cwm 141/97) |
|---|
| 3498 | Catchment drainage studies and flood plain identification : Lumley Park Burn and Herrington Burn : section 105 - C30/92 surveys |
|---|
| 3499 | Water quality fact file 4/9 |
|---|
| 3500 | Water wise : awards for Sussex schools |
|---|
