Characteristics of an ecosystem are altered both as sudden modifications induced by the passage of the fire and the delayed changes derived from the simultaneous modifications of various soil physical and chemical parameters. Effects of fire on soil properties was performed in experimental...

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...