, , & ( ) On the high trail: examining determinants of site use by the Endangered snow leopard Panthera uncia in Qilianshan, China . , , – . ( ) On positive shifting baselines and the importance of optimism . , , – . , , , , , et al. ( ) Using Red List Indices to measure progress towards the 2010 target and beyond . , , – . ( ) Snow leopard conservation in the wild—a comprehensive perspective on a low density and highly fragmented population . In (eds & ), pp. – . , .