Conservation status of vegetation in the North and Central area of Pardiela river basin (Évora, Portugal) - Batista, Teresa; Cavaco, Joana; Mendes, Paula; Vila-Viçosa, Carlos; Penas, Ángel; del-Río, Sara; Cabezas, José; Fernández-Pozo, Luis; Arancibia, Natália; Pinto-Gomes, Carlos (2012)