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00:57:47
David Attenborough
22
And that's gonna be a vast underestimation
We got some of the poacher who would be hunting the animals to
and the inhabitant so infinitely numerous
LUCY: Unfortunately, there is a plastic toothpick
the albatross colony here is in trouble.
LEN: We had to find a way to get the villager to benefit
So we can find the squid beak that come out of the pellet.
You hear pops and grunt and gurgles and snaps.
For the first time in history, a manned submersible
for one of the greatest wildlife spectacles in the ocean.
is one of the resident orca experts.
since you were a little kid just turn to rubble.
used a favourite coral anvil to smash open shellfish.
Marine biologist Eve Jourdain
you know, some of the devastation from this bleaching.
who were on the verge of extinction.
giant reptile begin to emerge.
the herrings that we see around us here was on the brink of collapse.
You hear pops and grunts and gurgle and snaps.
LUCY: These are items that were regurgitate just from last season.
STEVE: They listen in. They eavesdrop to the noises that they can hear
The tail slap stun the herring.
but safeguarding them while they roam the high seas is much more difficult.
albatross can get entangled and drown by fishing gear.
Dissolved in the sea water, it forms carbonic acid.
When temperatures remain high, bleach corals die off.
Around the world, people are now devoting their lives
we relocate the eggs and rebury them.
I have had persons insult me.
to saving some of the most threaten sea creatures.
of the icebergs being produced as the ice shelfs melt and break apart.
Heading down. I think she's accelerate slightly.
And we realise that one large adult male
It's only when I became expose to things
because their babies, as soon as they hatch are swept out to sea.
they regulate temperature,
Today, this is once again an immensely productive fishery,
and the inhabitants so infinitely numerous
Thankfully, the fishermen finally got the clearance
Luckily for this chick, he has managed to get this out of his stomach.
but it accelerates the process so we can see something visually.
There's a whole language underwater
It's incredibly sad to see areas that you've dived on
And this is nowhere more apparent than at the poles.
So it is not a scratch on the whale afterwards
But gradually we got them involved as well.
these form a potentially toxic soup.
All of the corals were basically healthy.
the orca was obviously starting to panic
demonstrates what can happen if a fishery is carefully managed.
LUCY: Unfortunately, there is a plastic toothpick
but eventually, he found evidence to support these rumours.
We know that they're being fished possibly at a massive rate.
There's enough, it's said, to wrap twice around the world.
Dissolved in the sea water, it forms carbonic acid.
The heat causes reef-building corals to lose their nourishing algae,
And it's unthinkable to have a world without a healthy ocean.
albatross can get entangled and drowned by fishing gear.
To get a ful picture, John also lowers
for the future of our seas by pouring dilute acid over shells.
This ingenious tuskfish, for example,
Perfect conditions for the formative years
And how much more acidic is this than the present ocean?
And this had a disastrous effect on the corals.
and an unpredictable weather event called El Niño
Stringent rules require fishermen
These predatory sharks make the surface waters very unsafe places
to gigantic whales.
That was unbelievable.
Some are predictable,
to release their net freeing the exhausted orca.
and reach the Antarctic seabed.