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Is Climate Change Behind A Mysterious Algal Bloom In Patagonia?

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Hornopirén Nouvelles

Los Lagos,HAB,Heterosigma Akashiwo

I'm an Australian science journalist based in Cali, Colombia covering STEM in The Global South. I'm the current Vice-President of the Colombian Association of Science Journalism (ACPC) and helped organize the 12th World Conference of Science Journalists, with 600+ attendees in Medellin, Colombia.

Heterosigma akashiwo"Red tide" blooms, are a natural phenomenon caused by an exponential increase of microalgae, giving the ocean a reddish, green or brown tinge but they can also, a researcher at the the Center for High Latitude Marine Ecosystem Dynamics Research at the Universidad Austral de Chile, says her research focuses on using satellite and field data to monitor changes in the annual growth cycles of micro-algae off the coast of Chilean Patagonia and the West Antarctic...

In order to understand the causes of this latest event in Hornopiren in Chile's Patagonia region, an expedition led by Dr. Jorge Mardones, a researcher at the Center for Marine Research of the University of Chile focused on analyzing that bloom from different disciplines: ecology, oceanography, toxicology, dissecting fish, meteorology and aerial overflights.

"So much richness of marine life and colors was always shocking to me," she says, adding that during her undergraduate studies in physics at the Universidad Distrital Francisco José de Caldas, in Bogota, she realized she wanted to focus on the characterization of ocean circulation under different climatic regimes using satellite images in the Colombian Pacific.

Corredor-Acosta explains that the seas and coastlines of Patagonia are a highly diverse system, which has become increasingly vulnerable to changes in climate and human impact.

 

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