A warmer world leads to female-biased sea turtle populations - February, 2018
Beach development, hunting, pollution, and fishing all threaten the survival of the endangered green sea turtle. Now, new research has uncovered a more unusual risk they face: lack of males. At some beaches in Australia, more than 99% of new hatchlings are now female. Older cohorts of turtles are also female-biased, though less severely, suggesting that the feminization of this population has been going on for decades. Scientists are concerned about how these all-girl generations of turtles will affect the long term prospects for the species. Why is this occurring, and what can be done to nudge the turtles back towards gender parity?
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