Despite special quality of the olive oil of Trás-os-Montes (TM), producers fail to create niche market and raise price commensurate with the high cost. Some local manufacturers made some attempts to establish special brands for their oil and the association of the local producers (AOTAD) made...

Even in relatively peripheral areas, such as the Portuguese-Spanish border regions, agriculture and food systems have changed greatly in the last decades. Traditional agricultural systems have been declining and some products are no longer appreciated, or even tend to become quantitatively...