Although high mountain ecosystems are usually considered to be scarcely affected
by biological invasions, this supposition probably underestimates this phenomenon,
which will likely become increasingly relevant in mountain areas under climate
change (Pauchard et al. 2009, 2016).
Conservation practice commonly adopts a precautionary principle, as illustrated
by strategies based on the reduction of exposure to external agents (human-caused
Fig. 2.3 (continued)
2 Trade-offs in High Mountain Conservation
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