3476 | River Lynher catchment river water quality classification 1991 |
3477 | Adur and Ouse : action plan : February 2000 |
3478 | Winter status and distribution of cormorants, goosanders and red-breasted mergansers in Great Britain with specific reference to the North West NRA Region |
3479 | Safety guidelines for water quality fieldwork |
3480 | A strategic review of the petroleum refinery Industry Sector |
3481 | Baetis rhodani (larva), |
3482 | Appraisal of Rural Best Management Practices for Controlling Diffuse Pollution |
3483 | River Dart salmon spawning target and compliance assessment |
3484 | The team (without Tony) and their staff in their compound close to the shore of L. George 1967. |
3485 | Regional water quality monitoring and surveillance programme for 1994 : EC surface water abstraction directive : final draft report (1993) |
3486 | South Wessex area industrial and commercial waste minimisation and recycling directory |
3487 | Ecdyonurus (larva), |
3488 | Diagnostic Drawing: Chlorococcales, |
3489 | Representation of the variation of hydraulic conductivity with saturated thickness in MODFLOW. Stages 1 and 2 : code changes and testing against Birmingham University code : technical note |
3490 | Diagnostic Drawing: Dinophyceae, |
3491 | Recruitment information |
3492 | Pisicola geometra, |
3493 | FBA News 70 |
3494 | Daily nitrous oxide flux measurements: AC0116, Bedfordshire, 2011 |
3495 | Ceraclea dissimilis larva, |
3496 | Setodes argentipunctellus larva, |
3497 | Diagnostic Drawing: Laminariales, |
3498 | Adult Glossosomatid spurs |
3499 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
3500 | Ceraclea dissimilis case, |