1576 | Measures for protecting upland water quality : assessment of forestry buffer strips (230/16/SW) |
1577 | Broadland environmental scoring methodology : final report |
1578 | Water resources strategic scheme development options : technical overview |
1579 | Urban Waste Water Treatment Directive monitoring of designated and candidate sensitive areas (eutrophic) : macrophyte survey results 1995 |
1580 | Herbarium Image: Potamogeton gramineus |
1581 | Chlamydomonas, |
1582 | River Valency and Crackington Streams catchment river water quality classification 1991 |
1583 | Herbarium Image: Spirodela polyrhiza |
1584 | Report on the management of the drainage regime within Exminster Marshes |
1585 | Anabaena, |
1586 | Herbarium Image: Potamogeton x nitens |
1587 | Diagnostic Drawing: Stromatolites, |
1588 | Factors affecting salmon in the sea |
1589 | Larva of non-biting midge |
1590 | Herbarium Image: Fumaria sp. |
1591 | A green consultation plan for Dorset : a summary of the Frome and Piddle and Poole Harbour and Purbeck Local Environment Agency Plan |
1592 | Background soil mineral nitrogen contents: OPTI-N, East Yorkshire, 2005 |
1593 | Mougeotia, |
1594 | Herbarium Image: Ranunculus peltatus |
1595 | Nassula, |
1596 | Cyanophyte, |
1597 | Hydrurus, |
1598 | Resting spore |
1599 | Green algae, |
1600 | Flow protection criteria for adult salmon - phase 3 case studies |