Analysis of amphibian habitat preferences in a farmland area (Po plain, northern Italy) Angela S. Ildos, Nicoletta Ancona Dipartimento di Biologia, Sezione di Zoologia Scienze Naturali, Università degli Studi, Via Celoria 26, 20123 Milano, Italy Abstract. Forty-two water bodies in an agricultural lowland area of northern Italy were investigated with respect to the presence of amphibians and to a number of habitat features. The following species were found: Rana kl. esculenta, R. latastei, Bufo bufo, B. viridis, Hyla arborea, Triturus carnifex and T. vulgaris meridionalis. A discriminant analysis was carried out for each species to test whether there were significant difference between ecological characteristics of used and unused sites; all analyses showed a significant difference, and they also made it possible to identify the most important habitat features for each species found. Vegetational factors seemed to be the most important. Introduction Habitat preferences of amphibians have been the object of a number of studies (e.g. Beebee, 1981; Cooke, 1975; Cooke and Frazer, 1976; De Fonseca and Jocqué, 1982; Denton, 1991; Dolmen, 1982; Giacoma, 1988; Hagstr6m, 1979; Pavignano and Gia- coma, 1986; Pozzi, 1980; Strijbosch, 1980). In these days of amphibian decline all over the world, studies of this
Amphibia-Reptilia – Brill
Published: Jan 1, 1994
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