Joanna developed ways of using fossil mangrove ecosystems to reconstruct former sea level accurately, by comparing the depths of fossil mangrove zones with their elevations in modern mangroves.
This philanthropist, recognized humanitarian and now media pioneer is the owner and manager of radio station WSNJ 1240 AM and 99.9 FM, local Comcast cable television station channel 22, the weekly newspaper SNJ Today, formally known as and The new members will join the current board comprised of: Rev. Carlos Mercado, Richard Elwell, Deborah Holman, Hon. Dr Joanna Ellison is Senior Lecturer in the Discipline of Geography and Spatial Sciences at the School of Land and Food in the Faculty of Science, Engineering and Technology.Coastcare rehabilitation in Tasmania by community groups has been shown to have positive benefits of vegetation recovery and beach accretion. Joanna is currently involved the international project 'Coastal Ecosystem-based Adaptation to Climate Change' aimed at reducing coastal erosion in the Pacific islands region.This collaborative project involves partnerships between the Secretariat of the Pacific Regional Environment Program, the Kiribati Government's Environment and Conservation Division in the Ministry of Environment, and the Government of Tonga's Department of Environment.Covella has served on various boards and organizations, including his work with the Ellison School, Saint Mary's School, Our Lady of Mercy Academy and Saint Augustine Prep.