Prof. Ganatsas's research interests: ecology of forest ecosystems, nature conservation and the management of protected areas, evaluation and conservation of biodiversity, silviculture, forest nurseries—reforestations, plantation silviculture, landscape planning and restoration, urban and peri-urban forestry and greening. He is currently running three Special Issues as Guest Editor: 1) "Advanced Approaches for Postfire Restoration of Forest Ecosystems" in the journal Forests (MDPI), 2) "Forest Biodiversity, Conservation and Sustainability—Series II" in the journal Sustainability (MDPI), and 3) on "Forest Function to Carbon Cycle under Climate Change Conditions" in the journal Advances in Environmental and Engineering Research. Papers can be submitted in the journals' websites.