Birds and fish as bioindicators of tourist disturbance in springs in semi-arid regions in Mexico: a basis for management

J. Palacio-Núñez, J. R. Verdú, E. Galante, D. Jiménez-García, G. Olmos-Oropeza

29-41

Evaluating factors affecting amphibian mortality on roads: the case of the Common Toad Bufo bufo, near a breeding place

X. Santos, G. A. Llorente, Albert Montori, M. A. Carretero, M. Franch, N. Garriga, A. Richter-Boix

97-104