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Field site and shading treatments. (a) A bird's-eye view of the assigned treatments in CUEPF at the end of the experiment (after floating mats were removed). Control: high-light (0% shading), medium: medium-light (56.5% shading) and low: low-light (75.4% shading). T-shape floating docks (3 m × 1 m each), used for sampling, are visible on dikes between ponds. Floating mats during experiment in (b) a medium-light treatment (pond 218) and (c) a low-light treatment (pond 219).
