"Choose one of the items in the world heritage list associated with nature and prepare a 5-minute talk about it. Send me a line to tell me which one you choose (to avoid repetitions)."
And after spending some time looking around in the interactive map, I stumbled upon a site that I had checked ages ago, can't remember where or why, or even how, but this is the one:
As soon as I saw it I knew this was the one for me.
I remembered being completely in awe of the stromatolites.
Also, I have been meaning to use Genially for a class presentation, after seeing it being used by quite a number of EOI teachers in the fantastic Proyectando Escuelas Amigas YouTube channel.
So, here it is: a short class presentation and my very first genially.
And some notes to complement the slides:
Shark Bay
World Heritage Site since 1991. It covers 23,000 square km. The bay has an average depth of 9 meters.
It has a coastal length of about 1,500 km ... for comparison, Galicia has 1,660 km
Seagrass meadows
They are truly vast, coving an area in excess of 4,000 square km, including the Wooramel Seagrass Bank which, at 1,030 square km, is the largest in the world.
Dugong and other marine life
On top of the mentioned turtles (green and loggerhead), whales (humpback, whale shark and southern right), dolphins (bottlenose), dugongs, sharks and rays (including Manta), the bay is also home to some 26 mammal species, over 230 species of birds, and about 150 species of reptiles.
Stromatolites
Undoubtedly the stars of the show. The current population is thought to be about 1,000 years old. Blue-green cyanobacteria, and other photosynthetic microorganisms, cement small particulates of sand and other rock material to form microbial mats or biofilms that then grow layer by layer, also know as bio-accretionary structures. They can grow to over a meter.
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