Castro, JoséCastro, MarinaGómez Sal, Antonio2011-07-012011-07-011998Castro, José Ferreira; Castro, Marina; Gómez Sal, António (1998). Livestock grazing systems and land use: the case of northern Portugal before the EU agrarian policy. In Eds. Papanastasis, V.P.; Peter, D. Ecological basis of livestock grazing in Mediterranean ecosystems: proceedings of the International Workshop Held. p. 235-238http://hdl.handle.net/10198/5653Ruminants grazing systerms of northern Portugal are part of the whole farming systems. traditionally highly connected with other agricultural and/or forestry systems. At present the agrarian traditional systems are becoming more simple with less connectivity between its components leading to a poor genetic and ecological landscape.engRuminantsLand usePortugalCanonical correlation analysisLivestock grazing systems and land use: the case of northern Portugal before the EU agrarian policyconference paper