“The recovery of biodiversity after major extinctions takes several million years. In the interval, the world is inhabited by a list of species more or less equivalent to ragweed and roaches.” EcologyNatural WorldGardensClear CuttingManmade Vs NaturalOrnamental Plants Book:Noah's Garden: Restoring the Ecology of Our Own Back Yards Source: Noah's Garden: Restoring the Ecology of Our Own Back Yards