Ordinance 08-09 The purpose of this ordinance is to establish a desirable amount of tree cover on public lands within the township; maintain township trees in a healthy and non hazardous condition through good arboricultural practices; establish and maintain appropriate diversity in tree species and age classes to provide a stable and sustainable suburban forest; promote conservation of tree resources; and select, situate and maintain street trees appropriately to minimize hazard, nuisance, landscape damage and maintenance costs.