By Rio Button for Roving Reporters, Daily Maverick That’s the advice of Professor Rob Slotow, who says protected areas need to be sufficiently diverse and robust to bounce back from a range of major disturbances such as storms, drought, heat waves and diseases. Reserve managers often agonise over whether a particular park has too many or too few elephants. Instead, they should look at whether natural ecosystems are functioning properly to support biodiversity.  That’s the advice of Professor Rob Slotow, who says protected areas need to be sufficiently diverse and robust to bounce back...