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