| A phytoplankton trophic index to assess the status of lakes for the Water Framework Directive G Phillips, A Lyche-Solheim, B Skjelbred, U Mischke, S Drakare, G Free, ... Hydrobiologia 704, 75-95, 2013 | 138 | 2013 |
| A biotic index using benthic macroinvertebrates for Italian lakes B Rossaro, L Marziali, AC Cardoso, A Solimini, G Free, R Giacchini Ecological Indicators 7 (2), 412-429, 2007 | 100 | 2007 |
| Modelling lake macroinvertebrate species in the shallow sublittoral: relative roles of habitat, lake morphology, aquatic chemistry and sediment composition G Free, AG Solimini, B Rossaro, L Marziali, R Giacchini, B Paracchini, ... Hydrobiologia 633, 123-136, 2009 | 92 | 2009 |
| The application of positive matrix factorization in the analysis, characterisation and detection of contaminated soils S Vaccaro, E Sobiecka, S Contini, G Locoro, G Free, BM Gawlik Chemosphere 69 (7), 1055-1063, 2007 | 91 | 2007 |
| Incorporating invasive alien species into ecological assessment in the context of the Water Framework Directive AC Cardoso, G Free Aquatic Invasions 3 (4), 361-366, 2008 | 88 | 2008 |
| Using Benthic Macroinvertebrates to assess Ecological Status of Lakes current knowledge and way forward to support WFD Implementation. A Solimini, G Free, I Donohue, K Irvine, M Pusch, B Rossaro, L Sandin, ... European Communities, 2006 | 84 | 2006 |
| Deriving nutrient criteria to support ʽgoodʼ ecological status in European lakes: an empirically based approach to linking ecology and management S Poikane, G Phillips, S Birk, G Free, MG Kelly, NJ Willby Science of the Total Environment 650, 2074-2084, 2019 | 69 | 2019 |
| Phytoplankton indicator taxa for reference conditions in Northern and Central European lowland lakes M Järvinen, S Drakare, G Free, A Lyche-Solheim, G Phillips, B Skjelbred, ... Hydrobiologia 704, 97-113, 2013 | 58 | 2013 |
| Ecological assessment of Irish lakes K Irvine Environmental Protection Agency, 2001 | 57* | 2001 |
| A reference based typology and ecological assessment system for Irish lakes-preliminary investigations G Free, R Little, D Tierney, K Donnelly, R Caroni Environmental Protection Agency, Wexford. www. epa. ie 266, 2006 | 54 | 2006 |
| The use of multisource optical sensors to study phytoplankton spatio-temporal variation in a Shallow Turbid Lake M Bresciani, M Pinardi, G Free, G Luciani, S Ghebrehiwot, M Laanen, ... Water 12 (1), 284, 2020 | 49 | 2020 |
| Best practice for establishing nutrient concentrations to support good ecological status G Phillips, M Kelly, H Teixeira, F Salas, G Free, W Leujak, AL Solheim, ... | 45 | 2018 |
| Application of new hyperspectral sensors in the remote sensing of aquatic ecosystem health: Exploiting PRISMA and DESIS for four Italian lakes M Bresciani, C Giardino, A Fabbretto, A Pellegrino, S Mangano, G Free, ... Resources 11 (2), 8, 2022 | 44 | 2022 |
| Phytoplankton functional traits and seston stable isotopes signature: a functional-based approach in a deep, subalpine lake, Lake Maggiore (N. Italy) R Caroni, G Free, A Visconti, M Manca J. Limnol 71 (1), 84-94, 2012 | 43 | 2012 |
| Characterisation of Alpine lake sediments using multivariate statistical techniques S Comero, G Locoro, G Free, S Vaccaro, L De Capitani, BM Gawlik Chemometrics and Intelligent Laboratory Systems 107 (1), 24-30, 2011 | 40 | 2011 |
| The use of members of the family Chydoridae (Anomopoda, Branchiopoda) as an indicator of lake ecological quality in Ireland E de Eyto, K Irvine, G Free Biology and Environment: Proceedings of the Royal Irish Academy 102 (2), 81-91, 2002 | 34 | 2002 |
| An EU analysis of the ecological disaster in the Oder River of 2022 G Free, W Van de Bund, B Gawlik, L Van Wijk, M Wood, E Guagnini, ... Publications Office of the European Union, Luxembourg 44, 2023 | 32 | 2023 |
| The identification, characterization and conservation value of isoetid lakes in Ireland G Free, J Bowman, M McGarrigle, R Caroni, K Donnelly, D Tierney, ... Aquatic Conservation: Marine and Freshwater Ecosystems 19 (3), 264-273, 2009 | 32 | 2009 |
| Water quality in Ireland 2010–2012 C Bradley, C Byrne, M Craig, G Free, T Gallagher, B Kennedy, R Little, ... Environmental Protection Agency, Wexford (173 pp.), 2015 | 31 | 2015 |
| The Invasive Crayfish Orconectes Limosus in Lake Varese: Estimating Abundance and Population Size Structure in the Context of Habitat and Methodological … F Pilotto, G Free, G Crosa, F Sena, M Ghiani, AC Cardoso Journal of Crustacean Biology 28 (4), 633-640, 2008 | 26 | 2008 |