The clustering shows that the two motorways separate the roe deer habitats much more strongly than river Aare.
By contrast, the unfenced SBB railway line is permeable and does not currently form a barrier.
As a result of this situation, the roe deer populations are isolated to a greater or lesser extent and are genetically different where their habitats are fragmented.
www.wsl.chDie Gruppierung zeigt, dass die beiden Autobahnen die Lebensräume der Rehe viel stärker trennen als die Aare.
Die nicht eingezäunte SBB-Linie hingegen ist durchlässig und stellt zurzeit keine Barriere dar.
Die Rehpopulationen sind deshalb mehr oder weniger stark isoliert und somit dort genetisch verschieden, wo die Lebensräume fragmentiert sind.
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