Topological properties in the spatial distribution of amphibians in Alabama USA for the use of large scale conservation
X. Chen
págs. 1-13
Two new Bryconamericus: B. cinarucoense n. sp. and B. singularis n. sp. (Characiformes, Characidae) from the Cinaruco River, Orinoco Basin, with keys to all Venezuelan species
C. Román Valencia, Donald C. Taphorn, R.I Ruiz C.
págs. 15-27
Monitoring low density populations: a perspective on what level of population decline we can truly detect
P.W.W. Lurz, M.D.F. Shirley, N. Geddes
págs. 29-39
Effects of temperature on embryonic and larval development and growth in the natterjack toad (Bufo calamita)in a semi-arid zone
Delfí Sanuy, Neus Oromí Farrus, Aina Galofré
págs. 41-46
Monitoring programs to assess reintroduction efforts: a critical component in recovery
Erin Muths, Victoria Dreitz
págs. 47-56
Descripción de un nuevo limácido de Menorca (Islas Baleares): Gigantomilax (Vitrinoides) benjaminus sp. n. (Gastropoda, Pulmonata)
Vicent Borredà, Alberto Martínez Ortí
págs. 57-66
Hemibrycon rafaelense n. sp. (Characiformes, Characidae), a new species from the upper Cauca River, with keys to Colombian species
C. Román Valencia, D.K. Arcila Mesa
págs. 67-75
Revisión taxonómica de Helix zapateri Hidalgo, 1870 (Pulmonata, Trissexodontidae) y su nuevo estatus en la malacofauna ibérica
Alberto Martínez Ortí, José Ramón Arrébola Burgos, A. Ruiz
págs. 77-81
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