1601 | Idle and Torne catchment management plan : first annual review November 1996 - July 1998 |
1602 | Urban Waste Water Treatment Directive monitoring of designated and candidate sensitive areas (eutrophic) : macrophyte survey results 1995 |
1603 | Herbarium Image: Potamogeton gramineus |
1604 | Chlamydomonas, |
1605 | Upper Thames catchment management plan : action plan : August 1995 |
1606 | River Valency and Crackington Streams catchment river water quality classification 1991 |
1607 | Herbarium Image: Spirodela polyrhiza |
1608 | Report on the management of the drainage regime within Exminster Marshes |
1609 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
1610 | Anabaena, |
1611 | Herbarium Image: Potamogeton x nitens |
1612 | Diagnostic Drawing: Stromatolites, |
1613 | Factors affecting salmon in the sea |
1614 | Larva of non-biting midge |
1615 | Herbarium Image: Fumaria sp. |
1616 | A green consultation plan for Dorset : a summary of the Frome and Piddle and Poole Harbour and Purbeck Local Environment Agency Plan |
1617 | Background soil mineral nitrogen contents: OPTI-N, East Yorkshire, 2005 |
1618 | Mougeotia, |
1619 | Herbarium Image: Ranunculus peltatus |
1620 | Nassula, |
1621 | Cyanophyte, |
1622 | Hydrurus, |
1623 | Resting spore |
1624 | Green algae, |
1625 | Flow protection criteria for adult salmon - phase 3 case studies |