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Footprints to singularity: A global population model explains late 20th century slow-down and predicts peak within ten years

Fig 5

Plot of Eq 10, the ecosphere component of the carrying capacity for humans.

Increasing values of a move the curve to the right, meaning ecosystem services are more fragile with respect to the ecosphere.

doi: https://doi.org/10.1371/journal.pone.0247214.g005