1526 | Herbarium Image: Potamogeton gramineus |
1527 | Chlamydomonas, |
1528 | Herbarium Image: Spirodela polyrhiza |
1529 | Report on the management of the drainage regime within Exminster Marshes |
1530 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
1531 | Anabaena, |
1532 | Herbarium Image: Potamogeton x nitens |
1533 | Diagnostic Drawing: Stromatolites, |
1534 | Factors affecting salmon in the sea |
1535 | Larva of non-biting midge |
1536 | Herbarium Image: Fumaria sp. |
1537 | A green consultation plan for Dorset : a summary of the Frome and Piddle and Poole Harbour and Purbeck Local Environment Agency Plan |
1538 | Background soil mineral nitrogen contents: OPTI-N, East Yorkshire, 2005 |
1539 | Mougeotia, |
1540 | Herbarium Image: Ranunculus peltatus |
1541 | Nassula, |
1542 | Cyanophyte, |
1543 | Hydrurus, |
1544 | Resting spore |
1545 | Green algae, |
1546 | Flow protection criteria for adult salmon - phase 3 case studies |
1547 | Fragilaria, |
1548 | Fisheries statistics 1994 : salmonid and freshwater fisheries statistics for England and Wales |
1549 | Herbarium Image: Oenanthe lachenalii |
1550 | Herbarium Image: Carex nigra |