[1] Consejo Nacl Invest Cient & Tecn, CCT, Inst Argentino Invest Zonas Aridas IADIZA, Ruiz Leal S-N,Parque Gen San Martin, RA-5500 Mendoza, Argentina
[2] Consejo Nacl Invest Cient & Tecn, CCT, Inst Argentino Nivol & Glaciol & Ciencias Ambient, Ruiz Leal S-N,Parque Gen San Martin, RA-5500 Mendoza, Argentina
[3] North Carolina State Univ, Coll Nat Resources, CB 7106, Raleigh, NC 27695 USA
[4] Griffith Univ, Sch Environm & Sci, Gold Coast Campus,Parklands Dr, Southport, Qld 4222, Australia