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WATER WORLD
Mussels 'cooked alive' in balmy New Zealand ocean
by Staff Writers
Wellington (AFP) Feb 19, 2020

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Up to half a million mussels were effectively cooked in the wild in unusually balmy waters on the New Zealand coast in a massive "die-off" that marine experts have linked to climate change.

The dead molluscs were found by Auckland man Brandon Ferguson earlier this month at Maunganui Bluff Beach, near the northern tip of the North Island.

Footage posted to social media shows a stunned Ferguson wading through rockpools choked almost knee-deep with mussel shells remarking "they're all dead... there's nothing left".

Professor Chris Battershill, a marine ecologist at Waikato University, said there had been similar die-off in recent years involving tuatua cockles and clams.

"The common denominators seem to be really hot conditions with lots of sunlight and unusually calm waters for an extended period," he told AFP.

"This leads to a combination of heat stress and the animals running out of oxygen because the water's so still. They eventually succumb... they're effectively cooked alive."

Battershill the extreme conditions were unusual.

"Is it related to climate change, I think it is," he said.

"Mussels are hardy little animals -- you think about when they're harvested they survive in the supermarket with just a little water on them.

"So it's taken extreme conditions to kill them. And when you have a number of die-offs in recent years involving a number of species then you really need to sit up and take notice."

University of Auckland marine scientist Andrew Jeffs said more mass die-offs were likely to occur as a result of climate change.

He said mussel populations would eventually move to cooler waters as temperatures rose.

"I am expecting that it is likely to ultimately result in the displacement of mussel beds from shores in northern parts of the country with them continuing to be found further south," he told AFP.


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WATER WORLD
Miros introduces radar-based wave monitoring solutions to Seatronics Global Rental Fleet
Los Angeles CA (SPX) Feb 17, 2020
Miros, trusted provider of wave and current data to the maritime industry, have established a new distribution agreement with Seatronics, global leaders in the rental and sale of marine electronic equipment, to introduce their range of radar-based solutions to the Seatronics global rental pool. With over 35 years' experience measuring the ocean surface, Miros delivers real-time insights about local sea state and marine conditions, without the need for any equipment submerged in water. The tr ... read more

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