Fig. 1

Setup of the mesocosm experiment in Skukuza, Kruger National Park. a Schematic drawing of a mesocosm, courtesy of Erik-Jan Bosch. b Mean temperatures in each of the temperature treatments ± standard error (SE), as measured with i-buttons in the different mesocosms during the entire period of the mesocosm experiment. Except for the lowest temperature treatment, all treatments contained aquarium heaters. c Overview of the setup. d Locations in and around Kruger National Park (indicated with red dots) where concentrations of inorganic phosphorus were measured to determine the median eutrophication status for the experiment