| 3526 | The Ribble fisheries management plan : a consultation document produced by the National Rivers Authority |
|---|
| 3527 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
|---|
| 3528 | Diagnostic Drawing: Cocolith types, |
|---|
| 3529 | Water resources development options : final report. Volume 2 : technical appendices |
|---|
| 3530 | Herbarium Image: Achillea ptarmica |
|---|
| 3531 | New style charging schemes for discharges and abstractions (Note 16) |
|---|
| 3532 | Proposed scheme of abstraction charges 1993-94 |
|---|
| 3533 | Flood risk management in North Wessex area : be prepared for flooding |
|---|
| 3534 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
|---|
| 3535 | Factors affecting natural smolt production |
|---|
| 3536 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
|---|
| 3537 | Dugesia tigrina, |
|---|
| 3538 | Herbarium Image: Potamogeton berchtoldii |
|---|
| 3539 | Diagnostic Drawing: Chaetophora and related genera, |
|---|
| 3540 | Restoration of riverine fisheries habitats - progress report for period October 1991 - March 1992 |
|---|
| 3541 | Pesticides in the aquatic environment 1997 : executive summary |
|---|
| 3542 | Diagnostic Drawing: Codiaceae, |
|---|
| 3543 | Fertiliser application dates: AC0213, Northumberland, 2012 |
|---|
| 3544 | River quality classification 1985-1990 : reasons for non-compliance |
|---|
| 3545 | Investigation of the impact on water quality of the SWW Teign estuary sewerage trenching activity |
|---|
| 3546 | Weather data: AC0213, Devon, 2011 |
|---|
| 3547 | The Opening Ceremony of The River Laboratory |
|---|
| 3548 | Herbarium Image: Achillea ptarmica |
|---|
| 3549 | Cover of A Key to the Adults and Nymphs of the British Stoneflies (Plecoptera), with Notes on their Ecology and Distribution |
|---|
| 3550 | Monitoring Changes in Regional Ground Level, Using High Precision GPS |
|---|
