at museum facilities in Italy and abroad, such as the Museo Regionale di Scienze Naturali (Turin), the Museo Civico di Storia Naturale (Milan), the Museo Civico di Zoologia (Rome), the Natural History Museum at Tring (London), the University Museum of Zoology (Cambridge, U.K.), and the Museo Nacional de Ciencias Naturales (Madrid), while both Italian and foreign researchers have stayed at our museum. There were also numerous scientific collaborations with Italian and foreign research institutions and national environmental protection agencies, and courses were held on the application of the soil biology quality index (QBS-ar) developed at the Museum.