Acid vallances lake
Acidic lake located in the crater of Maly Semyachik volcano in Kamchatka is one of the amazing beauty of the natural phenomena, admire that will not everyone. The journey to…

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Fishing in Karelia
Country: Russia: Karelia The Republic of Karelia – this is an awesome fabulous place. Rivers, rocks, swamps, endless taiga, numerous lakes, crazy sunsets and unforgettable white nights – it is…

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cyanobacteria

The Amazing lake Retba

20 km from the Cape Verde Peninsula and 30 km from Dakar, capital of Senegal, is an amazing natural phenomenon — the Pink lake or Retba, as it is called representatives of the people Wolof, the main ethnic groups in the country. The size of a giant bowl with a bright pink water reaches up to 3 sq. km. the Maximum depth does not exceed 3 meters.

The name of the lake derives from the special color of the water, which ranges from light pink to brown. The reason for the unique color of the water is a large amount of cyanobacteria in the lake are ancient organisms that appeared on Earth 3.5 billion years ago. Surprisingly, except for them in this saturated salt solution no other organic life. The salt concentration in the lake Retba almost 1.5 times more than in the Dead sea – 380 grams per liter. Salt production takes place since 1970.

Now people extract the salt, standing to his neck in water, but 20 years ago the lake was moving without boats, the water level reached the belt. But because mining a huge amount of salt (about 25 thousand tons per year), the depth of the lake was rapidly increasing.

Every morning dozens of local men with the necessary equipment, floating in the middle of the lake and climb in very salty water. They break the salt deposits at the bottom Continue reading

River and lake - water element of this planet. Are there salt lakes, and rivers of color
Water element of the planet: lakes and rivers LAKE It is considered that the main distinctive feature of the lake water from sea and ocean is the absence of the…

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Synopsis of the demonstrative lesson on the theme "Lake Baikal" - For kindergarten
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