Vences, M., N. Piqué, A. Lopez, M. Puente, C. Miramontes, D. Rodriguez
Population size and structure of the common frog, Rana temporaria, have been intensively
studied by many authors during the last three decades (e.g. Cooke, 1975; Grossenbacher,
1980; Pascual andMontori, 1981; Hintermann,1984;Loman, 1984;Ryser, 1986;Elmberg,
1990; Kneitz, 1998). Most of these...