Journal Article Research Support, Non-U.S. Gov't biological invasions impacts risk assessment NNRM Protocol on Environmental Protection to the Antarctic Treaty Research Support, U.S. Gov't, Non-P.H.S. Review alpine ecosystems biodiversity biología de la invasión biotic interactions climate change climatic debt consensus approach contingency planning definiciones definitions ecological and socio-economic impacts environmental policy especies exóticas especies foráneas invasoras evaluación de impacto evidence synthesis exotic species expert survey globalization horizon scanning human perception