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In Mexico found a poisonous lake, killing most life forms. Video

В Мексике найдено ядовитое озеро, убивающее большинство форм жизни. Видео Salt lake water is saturated with methane and hydrogen sulfide.

In the depths of the ocean, on the bottom of the Gulf of Mexico, scientists have discovered the lake. Everyone who swim in poisoned water, death. The underwater lake was studied by the oceanographer Erik Cordes (Erik Cordes), the results of the research he and his team say in the journal Oceanography.

The water in the “lake at the bottom of the sea” is five times saltier than the rest of the Bay, and saturated with methane and hydrogen sulfide. The concentration of these gases is so high that living in the “dead lake” is not able the majority of living beings, and those that swim there by accident, die from intoxication. Only bacteria, some worms, molluscs and crustaceans survive the toxic environment. They constitute the main interest of marine biologists studying the organisms that have adapted to life in extreme conditions a toxic lake.

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Most multicellular organisms to survive in such conditions allow the bacteria: they convert the toxic methane and hydrogen sulfide into organic molecules that are able to eat a few organisms that inhabit the ocean the poisonous lake. At the bottom of lake research underwater drone Hercules found polychaete worms Hesiocaeca methanicola, mollusks Bathymodiolus brooksi and Bathymodiolus childressi, as well as many of their symbionts.

The temperature in this part of the ocean is significantly higher than in other benthic zones, and reaches 19°C. the hydrogen Sulfide and methane comes from deposits located under the layer of sedimentary rocks; they have a higher temperature than most of the water at this depth. Due to the difference in density of saline volumes of water, in which dissolve deposits of underwater salts not mix with the less saline water in the ocean for this reason there is a poisonous undercurrent of the lake.

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