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April 2018    Download the Entire Issue (PDF) Vol. 33, No. 4   RSS Feed for Undercurrent Issues
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Flotsam & Jetsam

from the April, 2018 issue of Undercurrent   Subscribe Now

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Another Bad Outcome of Climate Change. The sex of turtles is determined by the temperatures of the eggs buried in the sand. Rising seasonal temperatures along Australia's Great Barrier Reef are causing more and more turtles to hatch as females. NOAA's Dr. Michael Jensen says that their findings are "a bit alarming." Northern GBR green turtle rookeries have been producing primarily females for more than two decades, and the complete future feminization of this population is possible -- with obvious results!

Disappointing News for Hammerheads. Costa Rica has had 10 tons or more of hammerhead shark fins in storage at Punta Arenas since 2015, when its government banned their export as part of its CITES obligations. Since then it has granted Costa Rican fisheries authority to undertake its own study, and surprise, surprise, it recommends that fin exports (and fishing) be resumed. That's despite two panels composed of the country's best scientists indicating that the activity cannot be done sustainably....


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