| 3526 | Guidance on the use of Bioassays in Ecological Risk Assessment |
|---|
| 3527 | Ecdyonurus torrentis |
|---|
| 3528 | HIDDEN-DP-KBerg-001.tif |
|---|
| 3529 | Zygnema, |
|---|
| 3530 | Diphyllobothrium plerocercoid LS, |
|---|
| 3531 | Dinobryon suecicum |
|---|
| 3532 | Herbarium Image: Juncus bulbosus |
|---|
| 3533 | Herbarium Image: Apium nodiflorum |
|---|
| 3534 | Diagnostic Drawing: Diatoms freshwater pennales, |
|---|
| 3535 | Herbarium Image: Vulpia bromoides and Aira caryophyllea |
|---|
| 3536 | Adur and Ouse catchment abstraction management strategy : final strategy |
|---|
| 3537 | Diagnostic Drawing: Coccolithophorids, |
|---|
| 3538 | LOIS : proceedings of a Humber seminar : 17 May 2001 |
|---|
| 3539 | Blue-green algal monitoring 1995-1997 |
|---|
| 3540 | Chlorella, |
|---|
| 3541 | Sapiston River support scheme : test pumping of observation boreholes (92/6/362) |
|---|
| 3542 | NRA research and development programme - 1995/96 : schedule of on-going projects and proposed new starts |
|---|
| 3543 | Rivers and wetlands : best practice guidelines |
|---|
| 3544 | Annual N2O measurements and associated data: AC0213, Northumberland, 2012 |
|---|
| 3545 | National Rivers Authority/Po River Basin Authority collaboration programme : (collection of documents) |
|---|
| 3546 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
|---|
| 3547 | Diagnostic Drawing: Cocolith types, |
|---|
| 3548 | Water resources development options : final report. Volume 2 : technical appendices |
|---|
| 3549 | Herbarium Image: Achillea ptarmica |
|---|
| 3550 | New style charging schemes for discharges and abstractions (Note 16) |
|---|
