The share of Trichoptera taxa sensitive to climate change in the European ecoregions

Figure Created 12 Nov 2009 Published 12 Nov 2009 Last modified 09 Nov 2017
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Trichoptera taxa are species with restricted distribution ('endemic species'), species inhabiting the crenal zone (springs), that cannot move further upstream, and species adapted to low water temperatures (cold stenothermy) in European ecoregions


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A distinct south-west to north-east gradient is seen: in all ecoregions of north-east Europe the proportion of sensitive taxa is less than 10 %, compared with 51.7 % on the Iberian Peninsula and 42.3 % in Italy. The proportion in Balkan ecoregions and high mountain ranges (Alps, Pyrenees, and Carpathians) is more than 25 %.

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