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Figure
Black cross: 1900s; Green rhombus: 1980s; Orange circle: 2003; open symbols indicate a (temporary) decrease in species number (Piz Trovat, Piz Languard).
For references, please go to https://www.eea.europa.eu/data-and-maps/figures/increase-in-species-richness-on-swiss-alpine-mountain-summits-in-20th-century or scan the QR code.
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