What is planted beneath the ice in Lake Baikal in Russia?
Video footage has emerged showing a trio of Russian ice divers planting an artificial fir tree in the world's deepest lake.
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Russian explorers using two mini-submarines reached the bottom of Siberia's vast Lake Baikal - one of the last relatively unexplored frontiers on Earth. The team announced they had sunk to a record depth of 1,680 metres (5,512 ft).
The lake's bays and silty lagoons, its sheltered coves, and the river deltas harbour such plants as thin reed, water buckwheat, cattail, hornwort, and sedge. The most numerous inhabitant of the lake's water is a copepodae crustocean - the Baikal epischura.
The bottom of the lake is 1,186.5 m (3,893 ft; 648.8 fathoms) below sea level, but below this lies some 7 km (4.3 mi) of sediment, placing the rift floor some 8–11 km (5.0–6.8 mi) below the surface, the deepest continental rift on Earth.
Why is the Baikal water so transparent? The Baikal water contains small amounts of dissolved and suspended substances, that is why, its transparency exceeds all lacustrine waterbodies in the world and is almost equal to transparency of ocean waters.
The Baikal oilfish combines two sculpin fish species only found in Lake Baikal. The Baikal oilfish combines two sculpin fish species only found in Lake Baikal. This unique fish has a translucent body with no scales and appears dull when dead.
The ringed seals is considered the ancestor of the Baikal seal, and are thought to have reached the lake by traveling up the river system and drainage that runs from the lake to the Arctic Ocean some 400,000 years ago during the Pleistocene.
The largest species is the Siberian sturgeon, which sometimes measures more than 6 1/2 feet (2 meters) long. The only mammal is the Baikal seal. The first hydrothermal vents, or hot-water springs, ever discovered in a freshwater lake were found at the bottom of Lake Baikal in 1990.
Baikal is one of the few lakes on the planet in which, according to the standards, it is allowed to take water for drinking from open reservoirs. Water is extracted from special layers of the lake, which were on the surface of the lake hundreds of years ago, from a depth of 400m.
Trekking on Baikal iceThis is an expedition for those who are ready to test their strength. Your main goal is to cross Baikal on foot in its widest part. You can face with the strong winds and blizzards. But if you are not afraid of difficulties and are ready for field conditions, you will enjoy this route!
When walking on Lake Baikal in winter, you might feel like you are walking on air. The translucent ice covering all 31,722 square kilometers is a popular and beautiful mode of transportation, from walking trails to ice highways.
Lake Baikal is not only the largest, deepest, and oldest lake in the world, but houses around 2,000 unique known species of animal that are not found anywhere else on Earth.