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. 2020 Jul 15;15(7):e0235492. doi: 10.1371/journal.pone.0235492

Fig 12. Calculation of the performance index (ES pollination estimator) for the supplied ecosystem service of pollination per m2 park area.

Fig 12

The figures left (for public beds) and right (for Tilia trees) show an estimation of the park performance, expressed as mean total insect visitations per m2 park area.