Today, thanks to protection, sea otter numbers are recovering, along with the health of the forest. And with them gone, urchin numbers rose, destroying many forests. Back in the late 1800s, sea otters were hunted for their thick pelts to near extinction. All is not entirely lost, thanks to the return of a ravenous forest resident - sea otters. But urchins can swarm in vast numbers and even attack and fell the kelp forest itself, creating vast 'urchin barrens'. When spiny urchins invade and graze their crops, the Garibaldi desperately pick them off. In clearings, bright orange male Garibaldi fish guard territories of short turf seaweed. To outwit her nemesis, the pyjama shark, she uses ingenious tactics, never filmed before.Īlong the Pacific coast of North America stand, at 60 metres high, the largest and perhaps most diverse kelp forests in the world. Almost a hundred different species of shark patrol these waters, driving one resident - the common octopus - to become the ultimate escape artist. The most bountiful kelp forests are found off the tip of southern Africa, where two great oceans collide. They are the most abundant but fiercely competitive places in the ocean to live. Here sunlight powers the growth of enchanted forests of kelp, mangroves and prairies of sea grass. Throughout, the expedition ship will be showcasing its findings and footage, too – exploring deep down into the oceans.It's our green seas, not the blue, that bring life to our oceans. We join Liz for the last time at the Great Barrier Reef, at night, with the fluorescent corals all lit up. Steve takes on some stingrays – and will (try to!) perform a live ultrasound on a pregnant female. Steve takes on his biggest live dive yet – among the hammerheads.Įpisode four: Chris reaches the tip of the Baja peninsula, to explore the humpback whales. Chris heads to the sea of Mexico, in search of the sperm whale. Chris travels down the Baja peninsula in Mexico, exploring some of the ocean’s greatest giants.Įpisode three: Witness baby turtles taking their very first steps, as Liz performs a live weigh-in on brand new shearwater chicks. Meanwhile, Liz joins a research base conducting coral experiments, hoping to determine how best to protect the Great Barrier Reef.Įpisode two: Liz explores how plastic and rising temperatures impact the reef, while Steve dives deep to hunt for a fish that’s causing trouble for the sharks. Steve, in the Bahamas, comes into contact with a tiger shark. Here’s a little look at what we’ll be watching over the four episodes…Įpisode one: Chris heads to Mexico and meets up with scientists charged with looking after the world’s biggest whale nursery – cameras up above following their every move. Liz will be down under, while Chris heads to Mexico and Steve travels to the Bahamas. So, they’ll be heading back to the Bahamas, the Great Barrier Reef in Australia and to the Baja peninsula. Liz Bonnin, Chris Packham and Steve Backshall are hosting this series – and will be re-visiting sites from the previous show. Where will Blue Planet be visiting this series? There are going to be four live episodes of Blue Planet Live, taking us across three different locations, to explore the health and wellbeing of the world’s oceans and marine life. How many episodes of Blue Planet Live are there? You’ll be able to watch Blue Planet Live on BBC One, or you can watch it on BBC iPlayer here. The following three episodes will air on Wednesday 27 March, Thursday 28 March, and Sunday 31 March, also at 8pm. Blue Planet Live’s first episode will air on Sunday 24 March 2019, at 8pm.
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