1 23 Hydrobiologia The International Journal of Aquatic Sciences ISSN 0018-8158 Hydrobiologia DOI 10.1007/s10750-015-2247-8 Temporal analysis of Mauremys leprosa (Testudines, Geoemydidae) distribution in northeastern Iberia: unusual increase in the distribution of a native species M. Franch, A. Montori, N. Sillero & G. A. Llorente