Increase in species richness on Swiss Alpine mountain summits in 20th century
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 www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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