Document Type : Original Research Paper
Authors
1 CantabrianAgricultural Research Centre (CIFA), C/ Héroes 2 deMayo 27, 39600Muriedas, Cantabria, Spain
2 Forest Research Centre (CIFOR), National Institute forAgriculture and Food Research and Technology(INIA), Ctra. deLa Coruña km. 7,5, 28040Madrid, Spain. Sustainable Forest Management Research Institute, University of Valladolid &INIA, Avda. de Madrid 57, 34004 Palencia, Spain
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