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Figure 2


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Altitudinal amplitude of local and regional sites running from 1 January 2015 to 31 December 2017. Amplitude altitudinale des sites locaux et régionaux ayant fonctionné du 1 janvier 2015 au 31 décembre 2017.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.