 The vegetation that is currently found in the hilltop is the result of intense human activity for over 2000 years, and the human farming and forestry practices.In the modern period, eucalypts have been planted in pulpwood plantations, which Póvoa de Varzim City Hall has been trying to eradicate and attempting to replace it with native flora that research proved to have existed in the area.Carbon analysis found in archaeological layers of Cividade de Terroso allowed the identification of twenty native species of trees and shrubs.