PhD in Biology from the University of Santiago de Compostela (USC, 1993); In 1994 I began my relationship with that University where I carried out teaching and research tasks. Since 2007, I am a lecturer attached to the Department of Botany, where I develop the following lines of research: . Analysis of biodiversity: flora and vegetation of Galicia . Evaluation and conservation of the natural environment: assessment of native, endemic and threatened species . Impact of invasive alien species on natural and semi-natural habitats