#schildkröten (3)

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Sea Turtle Sex Crisis: Why 99% Are Now Female

Sand temperatures above 29°C now produce 95–99% female sea turtles instead of the historical 50–50 ratio, creating a reproductive bottleneck that could collapse populations within two generations.

Was Mikroplastik für die Feritilität beim Menschen ist, scheint warmer Sand für Meeresschildkröten zu sein. Und vermutlich auch für andere (Meeres-)Tiere. Und ich verspüre jetzt nochmal den Drang, »Children of Men« zu gucken. Scheint nochmal relevanter zu werden. (via Kottke)

Sea Turtle Sex Crisis: Why 99% Are Now Female | OpenGraph Preview Image
mazingamazingly.blogspot.com

Sea Turtle Sex Crisis: Why 99% Are Now Female

Sea turtle nesting sites are experiencing a silent reproductive catastrophe: rising sand temperatures have pushed sea turtle sex ratio to a dangerous 99% female on some beaches, eliminating breeding males from entire generations.