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