2001 | Heptagenia sulphurea |
2002 | Herbarium Image: Oxalis stricta |
2003 | Microcystis, |
2004 | Herbarium Image: Mimulus luteus |
2005 | Ophiocytium, |
2006 | Protective coating of structures against corrosion |
2007 | Herbarium Image: Ruppia maritima |
2008 | Rhizosiphon |
2009 | Phaeodermatium, |
2010 | Anabaena sp., |
2011 | Nostoc, |
2012 | Herbarium Image: Stachys palustris |
2013 | Rhodochorton (Audouinella), |
2014 | Surveillance of Greenhouse Gases |
2015 | Annual fisheries report 1995/6, Midlands region. Volume 2 : appendices |
2016 | Evaluation of historical data on the nutrient status of Esthwaite Water, Cumbria
|
2017 | Oscillatoria, |
2018 | Dinobryon crenulatum and Dinobryon acuminatum |
2019 | Pediastrum, |
2020 | Ceratium, |
2021 | Herbarium Image: Elymus caninus |
2022 | The restoration of the River Pang |
2023 | Hyperparasitism |
2024 | Herbarium Image: Eleocharis multicaulis |
2025 | Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996) |