| 3276 | Herbarium Image: Juncus bulbosus |
|---|
| 3277 | Herbarium Image: Apium nodiflorum |
|---|
| 3278 | Diagnostic Drawing: Diatoms freshwater pennales, |
|---|
| 3279 | Herbarium Image: Vulpia bromoides and Aira caryophyllea |
|---|
| 3280 | Diagnostic Drawing: Coccolithophorids, |
|---|
| 3281 | Chlorella, |
|---|
| 3282 | Sapiston River support scheme : test pumping of observation boreholes (92/6/362) |
|---|
| 3283 | Rivers and wetlands : best practice guidelines |
|---|
| 3284 | Annual N2O measurements and associated data: AC0213, Northumberland, 2012 |
|---|
| 3285 | National Rivers Authority/Po River Basin Authority collaboration programme : (collection of documents) |
|---|
| 3286 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
|---|
| 3287 | Diagnostic Drawing: Cocolith types, |
|---|
| 3288 | Herbarium Image: Achillea ptarmica |
|---|
| 3289 | New style charging schemes for discharges and abstractions (Note 16) |
|---|
| 3290 | Proposed scheme of abstraction charges 1993-94 |
|---|
| 3291 | Flood risk management in North Wessex area : be prepared for flooding |
|---|
| 3292 | The National Rivers Authority employee attitude survey : summary |
|---|
| 3293 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
|---|
| 3294 | Factors affecting natural smolt production |
|---|
| 3295 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
|---|
| 3296 | Dugesia tigrina, |
|---|
| 3297 | Herbarium Image: Potamogeton berchtoldii |
|---|
| 3298 | Diagnostic Drawing: Chaetophora and related genera, |
|---|
| 3299 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
|---|
| 3300 | Pesticides in the aquatic environment 1997 : executive summary |
|---|
