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Author: Subject: ¡Cierran Área Natural Protegida Isla Guadalupe!
mtgoat666
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thumbdown.gif posted on 1-4-2023 at 03:47 PM
¡Cierran Área Natural Protegida Isla Guadalupe!


La Conanp publicará las modificaciones al Programa de Manejo que prohíbe todas las actividades turísticas y recreativas en la reserva marina.

https://www.excelsior.com.mx/nacional/acaba-observacion-tibu...

https://colectivopericu.net/2022/10/06/cierran-area-natural-...




Woke!

“...ask not what your country can do for you – ask what you can do for your country.” “My fellow citizens of the world: ask not what America will do for you, but what together we can do for the freedom of man.”

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mtgoat666
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[*] posted on 2-3-2023 at 02:11 PM


More info…
Seems that closure at guadalupe island came after Nautilus killed a white shark.
Seems like Nautilus is up to funny business

https://www.facebook.com/groups/184737992088428






Woke!

“...ask not what your country can do for you – ask what you can do for your country.” “My fellow citizens of the world: ask not what America will do for you, but what together we can do for the freedom of man.”

Prefered gender pronoun: the royal we

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mtgoat666
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[*] posted on 2-3-2023 at 05:13 PM


Craziest thing ever! And to think that cruise ships and dive boats run this crazy damaging tech…

ULTRASONIC ANTIFOULING DEVICES FOUND DAMAGING TO WHALES
Study of Cuvier’s beaked whales off Mexico’s Guadalupe Island led to discovery

Research off the coast of Mexico’s Guadalupe Island in the Pacific Ocean has revealed ultrasonic antifouling (UA) devices as a new form of noise pollution that threatens the habitats of whales and possibly other marine mammals.

Acoustic ecologist Jennifer Trickey of the University of California San Diego’s Scripps Institution of Oceanography has been leading a long-term acoustic study of Cuvier’s beaked whales in the Guadalupe Island Biosphere Reserve with the aid of a seafloor-mounted acoustic recorder.

The researchers chose to study Cuvier’s beaked whales at Guadalupe Island, about 150 miles west of Mexico’s Baja peninsula, because they appeared to be non-migratory, year-round residents of the area.

“When we first went back to recover the first year of data, I came across that antifouling signal right away. At first, I was completely baffled. I thought the instrument had failed,” said Trickey, a member of the Scripps Acoustic Ecology Lab. But after further analysis she realized the signal was real.

The bay along the northeast coast of Guadalupe Island where Trickey deployed her instrument is a popular white shark cage-diving destination. She and her team quickly suspected some of the cage-diving boats as the signal’s source.

“It took some sleuthing to figure out what that sound actually was because none of us had even heard of an ultrasonic antifouling device. I had no idea that even existed,” Trickey said of the devices, which help keep hulls free of algae, barnacles, and other marine organisms through pressure and vibration.

“They’ve been around for probably close to a decade now and most people who work with marine mammal bioacoustics had also never heard of these devices. Now they’re pervasive,” said Trickey. The devices also use the same frequency band that marine mammals use to communicate, find prey, and navigate their environment.

The COVID-19 pandemic created logistical hassles for the research team. But it also resulted in a year of data taken during a normal tourism season with the antifouling signal present and one year without. The data showed a sharp decline in acoustic presence of the whales that coincided perfectly with visits from cage-diving boats equipped with UA systems.

“COVID-19 closed the island to tourism. The shark boats weren’t there,” Trickey said, and the acoustic presence of the whales returned. “That was the proof. It turns out that the decline in the acoustic presence of the whales wasn’t some natural seasonal pattern. It was due to that antifouling signal.”

https://scripps.ucsd.edu/news/ultrasonic-antifouling-devices...




Woke!

“...ask not what your country can do for you – ask what you can do for your country.” “My fellow citizens of the world: ask not what America will do for you, but what together we can do for the freedom of man.”

Prefered gender pronoun: the royal we

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