Above – A composite early warning index comprising all four indicators is highly sensitive to the onset of critical slowing down. a, Time-specific calculations of…
One of the interesting things about the theory of population extinction is that despite widely differing processes for the cause of extinction (demographic stochasticity, environmental…
Background A partial differential equation model of population growth and dispersal developed by Lewis and Karieva (1993) predicts that invading populations subject to an Allee…
Background. Recent studies on animal populations in the field have attributed positive-density dependence at low density to a predator-driven Allee effect (e.g. Wittmer et al….