[1] Millennium Inst Biodivers Antarctic & Subantarct B, Santiago 8330015, Chile
[2] Ctr Univ Cabo Hornos, Ctr Univ Cabo de Hornos, Cape Horn Int Ctr CHIC, Puerto Williams, Chile
[3] Univ Catolica Maule, Ctr Invest Estudios Avanzados Maule, Lab Ecol Morfometria Evolut, Talca, Chile
[4] Inst Antart Chileno, Dept Cient, Punta Arenas, Chile
[5] Univ Catolica Maule, Ctr Invest Estudios Avanzados Maule, Programa Doctorado Salud Ecosistem, Talca, Chile
[6] Nucleo Milenio Salmonidos Invasores INVASAL, Concepcion, Chile
[7] Korea Polar Res Inst, Div Life Sci, Incheon, South Korea
[8] Univ Tarapaca, FACI, Dept Fis, Arica, Chile
[9] Univ Brasilia, Dept Bot, Brasilia, Brazil
[10] Lab Diagnost Fitossanitario & Consultoria, Agronomica, Porto Alegre, RS, Brazil
[11] NERC, British Antarctic Survey BAS, Cambridge, England
[12] Univ Johannesburg, Dept Zool, Auckland Pk, South Africa