harvested cork oak bark from the trunk of cork oak tree quercus suber for industrial production of wine cork stopper in the

agriculture alentejo algarve alportel bark beja bottle cork corkwood detail ecology evora excoriation extraction farmer harvested harvesting industrial industry landscape material mediterranean natural nature oak outdoor pattern peel plant portugal portuguese production quercus raw region sardinia spain stack stopper suber summer sustainable timber traditional tree trunk vineyard wine winery wood