Mário Gabriel Santiago dos Santos defended his PhD in Environmental Sciences in the University of Trás-os-Montes and Alto Douro (UTAD) in 2009. He is an Assistant Professor of the Department of Biology and Environment, UTAD, and Integrated Member of the Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB) and Institute for Innovation, Training and Sustainability in Agri-Food Production (INOV4AGRO). His main research interests are Conservation Biology, Applied Entomology, Landscape Ecology, Ornithology, Ecological Indicators, Ecological Modelling, Applied Ecology, Agroecology, and Agroforestry.