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Green Turtles are nearly all female (Read 292 times)

The_Barnacle

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Green Turtles are nearly all female
Jan 9^th, 2018 at 8:43pm

Green turtles in north Queensland are mainly all female and scientists are concerned for the species' future

Almost the entire green turtle population in parts of the northern Great Barrier Reef is now female, and scientists are concerned about their future.

"The pivotal temperature for sea turtle populations where they produce 50 per cent male and 50 per cent female is about 29 degrees Celsius.

"Any variation on that of about one to two degrees, could risk producing all females or perhaps embryonic death.

"The temperature on the Great Barrier Reef has been higher than that pivotal temperature."

http://www.abc.net.au/news/2018-01-09/pacific-green-turtles-future-under-threat,...

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Jasin Gold Member Online Posts: 46612 Gender:	Re: Green Turtles are nearly all female Reply #1 - Jan 9^th, 2018 at 8:48pm When populations are 'low' or 'threatened' - always, is there a higher production of females. Scientists lack common sense sometimes.
Back to top	AIMLESS EXTENTION OF KNOWLEDGE HOWEVER, WHICH IS WHAT I THINK YOU REALLY MEAN BY THE TERM 'CURIOSITY', IS MERELY INEFFICIENCY. I AM DESIGNED TO AVOID INEFFICIENCY. IP Logged

The_Barnacle

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Re: Green Turtles are nearly all female
Reply #2 - Jan 9^th, 2018 at 9:34pm

Jasin wrote on Jan 9^th, 2018 at 8:48pm:

When populations are 'low' or 'threatened' - always, is there a higher production of females.

Do you have any evidence to back that up?
The sex of an animal is determined before it is born. How is it possible for it to determine what the population of the species is?
You are talking nonsense JaSin

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lee

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Re: Green Turtles are nearly all female
Reply #3 - Jan 9^th, 2018 at 10:09pm

"A new study in The Condor: Ornithological Applications documents the steep decline of a population of endangered Southwestern Willow Flycatchers over 16 years -- and the change in the sex ratio that has left the birds' future hanging on a dwindling number of males."

"As the number of males plummeted, more and more of them became polygynous, mating with multiple females. Kus speculates that this may have prevented even faster declines. "It was particularly amazing to watch two or three males manage 10 or so females between them," says Kus. "They seemed to be able to increase their individual efforts such that every female was mated." "

https://www.sciencedaily.com/releases/2016/12/161221091420.htm

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miketrees Gold Member Offline Australian Politics Posts: 6488 Gender:	Re: Green Turtles are nearly all female Reply #4 - Jan 9^th, 2018 at 11:05pm The males have seen the way males are treated in Australia and they are going elsewhere.
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The_Barnacle Gold Member Offline Australian Politics Posts: 6205 Melbourne Gender:	Re: Green Turtles are nearly all female Reply #5 - Jan 10^th, 2018 at 10:19am miketrees wrote on Jan 9^th, 2018 at 11:05pm: The males have seen the way males are treated in Australia and they are going elsewhere. Sounds like you would be happier in a Muslim country
Back to top	The Right Wing only believe in free speech when they agree with what is being said. IP Logged

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