Borrelyngen on Bornholm, Denmark: A heath on rocky ground: Exploitation and vegetation from antiquity to the present day

browsing calluna vulgaris conservation de la nature danemark denmark dinamarca distribution naturelle foraging heathland soils histoire historia history natural distribution nature conservation ovin ovinos plant soil relations ramoneo recherche de nourriture relaciones planta suelo relation plante sol roca roche rock sheep suelo de brezal vegetation