The lack of these predators in areas of mixed human development and forests has created deer abundances that are nuisances to landowners and that upset ecosystem equilibrium.
(The lack of these predators in areas of mixed human development and forests; has created; deer abundances that are nuisances to landowners and that upset ecosystem equilibrium) (deer abundances; are; nuisances to landowners)
The lack of these predators in areas of mixed human development and forests deer abundances
has created are
deer abundances that are nuisances to landowners and that upset ecosystem equilibrium
nuisances to landowners