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Forschungsverbund Berlin e.V.

So fliegen die Motten zum Licht: Straßenleuchten wirken wie Barrieren in der Nachtlandschaft

Leibniz-InstitutS für Gewässerökologie und Binnenfischerei (IGB)

(PresseBox) (Berlin, )
Nächtliche Beleuchtung verändert das Verhalten von Tieren. Eine Studie unter Leitung des Leibniz-Instituts für Gewässerökologie und Binnenfischerei (IGB) zeigt, dass Nachtfalter – umgangssprachlich auch „Motten“ – in einem Radius von etwa 23 Metern von einer Straßenleuchte angelockt werden. Wie viele Tiere angezogen werden, hängt von der Position der Leuchte ab: An der Grenze zu dunkleren Zonen fliegen mehr Nachtfalter zum Licht als im Zentrum eines Areals, in dem viele Lampen stehen. Bei den in Europa üblichen Abständen der Masten sind die Nachtlandschaften für Nachtfalter wie „zerschnitten“. Die angelockten Tiere verlieren wertvolle Zeit und Energie an den Leuchten, so dass die qsljozqquc Qksjvrnsahr txx Iexwa tst Hlazt ntg ulonk Giqitmye nrji kszc.

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