1776 | Herbarium Image: Samolus valerandi |
1777 | Cymbella, |
1778 | Herbarium Image: Senecio aquaticus |
1779 | East Devon public water supply strategy : Exe freshwater model Wimbleball pump storage scheme scenario modelling |
1780 | Herbarium Image: Potamogeton crispus |
1781 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
1782 | Tabellaria |
1783 | Stephanodiscus, |
1784 | River Yealm catchment river water quality classification 1990 |
1785 | Melosira, |
1786 | Herbarium Image: Hypericum tetrapterum |
1787 | River pollution and how to avoid it |
1788 | Herbarium Image: Carex laevigata |
1789 | Cladophora-ball, |
1790 | Pediastrum, |
1791 | Herbarium Image: Nasturtium officinale |
1792 | Herbarium Image: Potamogeton crispus |
1793 | The industrial fishery for sandeels |
1794 | Assessment of freshwater riverine environments using macrophytes : standard methodologies : final draft : biology laboratory procedures manual. Section C : test methods and procedures |
1795 | Lembadion, |
1796 | Herbarium Image: Chara aculeolata |
1797 | Herbarium Image: Sanguisorba officinalis |
1798 | Herbarium Image: Veronica anagallis-aquatica |
1799 | The biology of the sea trout. Summary of a symposium held at Plas Menai 24-26 October 1984 |
1800 | Herbarium Image: Carex otrubae |