► Adventure Ocean Quest - 24 Hours on the Reef (FULL Documentary)
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- Опубликовано: 12 ноя 2015
- Fakarava Atoll is a true underwater paradise that stuns with its sheer diversity of marine life and particularly high populations of manta rays, grey reef sharks and sea turtles. It is one of the only places where big marine animals are found in such dense numbers. Its diversity and richness of wildlife is so unique that Fakarava is now a UNESCO Biosphere Reserve.
But the survival chances of these colourful coral reefs are looking very bleak. They may be the biggest living structures on Earth, but they are dying 4 times more quickly than tropical rainforests. Three quarters of all coral reefs are under threat, and all of them could disappear within the next 50 - 100 years.
Prof. Serge Plane from the French research center on Moorea “Criobe” is trying to piece together the interrelationships of coral reef dwellers in order to better understand why they are so sensitive to environmental change, and how they could be protected in the future. This ecosystem is so fragile and sensitive to change that once one link in a coral reef’s chain of life has been removed, it can have dire consequences for the entire reef. Working out how this chain works, and what makes this ecosystem so unique is instrumental to the quest of preserving it.
Prof. Serge Plane has specialised in a very particular aspect of relationships amongst reef organisms: communication. He wants to find out how the animals communicate and how this serves their quest to survive. He has already accumulated a wealth of underwater recordings of sounds in a coral reef. But his normal approach requires him to place hydrophones in strategic static positions across the reef. It is an inefficient, limiting and labour-intensive approach.
Frederic is able to increase the efficiency and success of Prof Serge Plane by approaching animals directly and respond to their behaviours. The scientist’s current recordings do not follow animals during different behaviours, so being able to selectively record behaviours could be an eye-opener for this type of research.
As a noiseless freediver, Frederic is able to trigger certain behaviours and associated sounds by being in the water with the animals without influencing them with cumbersome diving equipment. For example, he is able to record alarm sounds by giving sudden chase to specific fish. So far, it has not been possible for Prof Serge Plane to record behaviour as specific as this because conventional diving gear makes too much noise.
The team dives at every time of day and night at a specific spot on the atoll to observe different species during their own activity cycles, and to see how life on the atoll transforms at different times. But again, Christian and Frederic have to remain cautious and plan their expedition meticulously.
Again, they make the most of local knowledge to prepare themselves for the task in hand. Polynesian mythology is full of marine life - it plays a very important role in local culture. Manta rays, for example, stand for freedom, while sea turtles personify wisdom and long life. Frederic and Christian meet Maitata, a pearldiver from this island. Few people could tell the team more about the local wildlife from the point of view of Polynesian peoples. Once again, the stories this experienced local man has to offer help Christian and Frederic to build a better and more accurate picture of what lurks beneath the waves in this area.
Over their time working, Frederic and Christian repeat their dives on the atoll at different times of day and night. The night-dives can be a bizarre experience with an edge of the otherworldly about it. And the sharply reduced visibility does make these excursions particularly dangerous for Frederic - it would be all too easy to loose orientation and as a result risk his life.
The combination of their observations of the reef at different times of day and night and the recordings of reef sounds prove invaluable to Prof. Serge Planes research. And as he builds up his database of recordings, the interrelationships of coral reef organisms becomes clearer. Frederic and Christian’ observations have allowed fascinating insights into the complex web of connections of this finely tuned ecosystem. Ultimately, it may be this kind of research that could help to preserve the world’s coral reefs well into the future. 
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Excellent. Have enjoyed all the Adventure Ocean Quest episodes. Wish there were more.
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The people who did this is awesome. and it is very relaxing it make`s me sleep.
What a treat..amazingly enjoyable look at the beauties of south Pacific. Thank you for uploading👍
This documentary is great! it really gives a more in depth look into life on the reef
warto tam być przepiękne rewelacyjne cudowne super godne podziwu godne uwagi malownicze nakręccie i pokażcie więcej takich filmów na yotube
Awesome lovely Sharing here ! Awesome filming too ! 5 thumbs up high :-)
who is the narrator of this video - great work
nice tune aard
please do more.... you guys are amazing .... thank you...
Not a bad video, but seemed to be more of a documentary about the cameramen than about the actual reef.
Just once would love to see this with my own 👀
Very low quality for HD. Shows huge artifacts in full screen. Thanks for the share though. :)
i loved this. i also pray for our beautiful oceans...please be aware of what you'r doing while boating and playing in our natural resources...
blessings
It’s not THAT!! In Africa they have rivers or RAW SEWAGE!! That drains directly into the ocean!! EVER SINGLE DAY!!
Without filtering ANYTHING
USA might pump our filtered sewage into the ocean but it’s filtered and broken down with enzymes or something like that I think idk %100 tho so don’t quote me on it
you have awsome fudish from the ocean
beautifl your both
Titan Triggerfish* at 29 minutes, not a yellow margin if I'm correct
çok güzeld
Do fish really drink Water?
Just wish it was only showing narrated reef life without long commentaries and going back and forth between the dude talking and going back to the actual content of interest. I’m already aware of anything they’re having to say. I just enjoy viewing the sea life
Nice
I lost all respect for these guys when I saw them standing, kneeling, and laying on the coral, that's how tourism damages reefs.
the reef is a paradise with a cost fish still swim often for sake of swimming still many gardens currents sits smells adventure
all sand is shit... ALL SAND IS SHIT?!!
josiah emrick yes
You didn’t know that white sand is actually fish poop after eating coral ? 🤷♂️🤷♂️🤷♂️