Strength and uncertainty of phytoplankton metrics for assessing eutrophication impacts in lakes - L. Carvalho; S. Poikane; A. Lyche Solheim; G. Phillips; G. Borics; J. Catalan; C. De Hoyos; S. Drakare; B. J. Dudley; M. Järvinen; C. Laplace-Treyture; K. Maileht; et al. (Hydrobiologia, 2013)