growing here nature reserves are fenced in and equipped with manmade watering. protected and well provided for the elephant population has flourished so much so that they've become a problem the elephants stripped trees and shrubs naked often uprooting them in the process and destroying the habitat other animals and plants in the park rely on. elephants are particularly partial to one of the park's largest trees the roula. trees are a highly sought after tree by elephants and that's because they've got a lot of forage for the elephants and we're seeing a lot of impact on these trees and for example in this study site here we've seen a decline of around thirty five percent of the military since elephants have being in the system trees are very important in our ecosystems they provide a lot of fish for species they provide habitat and so we know them as a keystone species the elephants often flatten number of the trees just so they can