Petersburg Pilot -

Whale Watching and LeConte Glacier Tours based out of Petersburg Alaska

Scientists warn of too many pink salmon

 

August 15, 2019

ANCHORAGE, Alaska (AP) - Biological oceanographer Sonia Batten experienced her lightbulb moment on the perils of too many salmon three years ago as she prepared a talk on the most important North Pacific seafood you'll never see on a plate - zooplankton.

Zooplanktons nourish everything from juvenile salmon to seabirds to giant whales.

But as Batten examined 15 years of data collected by instruments on container ships near the Aleutian Islands, she noticed a trend: zooplankton was abundant in even-number years and less abundant in odd-number years.

Something was stripping a basic building bl...



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