Lake Hillier

Lake Hillier

00:04 - 1- Nature:

But nature likes to mess with us and creates oddities just like Lake Hillier in Western Australia.
With its mere 600 meters in length, Lake Hillier is not one that will impress you by its size. Nor will it impress you by its diverse fishes that inhabit it.
Lake Hillier delights your eye with its pink colour. Moreover, it lies just next to the Pacific Ocean, thus if you watch it from above, the contrast between the mellow pink of the lake and the blue of the ocean is striking.
The reason of its unique colour is still a topic that is not fully understood by scientists, although most suspect it has to do with the presence of the Dunaliella salina microalgae. The Dunaliella produces carotenoids, a pigment found in carrots as well. But the presence of halophilic bacteria in the salt crusts could be another explanation. A reaction between the salt and the sodium bicarbonate that is found in the water may cause it as well.

01:02 - 2 - DiscoveryThe:

Hillier Lake was first discovered in 1802 by navigator and cartographer Matthew Flinders who took samples from the lake and mentioned its existence in his journal.
The lake is located on Middle Island, off the coast of Western Australia. As noted above, the Hillier Lake is quite small, its length is 600 meters and its width is no more than 250 meters. It is surrounded by eucalyptus and paperback trees and the ocean on its northern part.Its pink color is less accentuated when viewed from the surface but it is very prominent from above. However, unlike other pink lakes around the world, its water is still distinctively pink even when it is in a glass.
For a few years they used to extract salt from the lake but nowadays it is only used for tourism purposes. The water of the lake is otherwise clear and it causes no harm to the human skin and the Dunaliella salina alga is completely harmless as well. In fact, swimming in the lake’s water is safe and fun but impossible to do for normal tourists as the lake can’t be visited.

Research: Vitor hugo Lizarde Leonarde

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