The landmark natural history series returns presented by david attenborough. Like sir david attenborough, he has the rare ability to be an excellent communicator and has. Sir david attenborough against seabed mining deep sea. From deep on the ocean floor at the midatlantic ridge, huge undersea volcanoes rise up from the deep, with their own unique ecosystems and communities of undersea life on each of them, feeding.
There are also a surprising diversity of life forms that inhabit these vents, despite the absence of sunlight and elevated pressures and deadly heat. The environment of hydrothermal vents and cold seeps is different in terms of temperature and longevity. They also realized that an entirely unique ecosystem, including hundreds of new species, existed around the vents. Host david attenborough discusses hydrothermal vents notable for the fissure openings that blast scalding water and sulfides into the under water spaces. The scientists had made a fascinating discoverydeepsea hydrothermal vents. An older video that just made its way onto youtube of the critters that make their homes around hydrothermal vents. These animals live off of the earths geothermal forces rather than living off the sun. May 09, 2005 james cameron continues his large format underwater explorations previously in his film ghosts of the abyss with his deepsea documentary aliens of the deep, a film that studies hydro thermal vents and the bizarre creatures living off them.
Hydrothermal vents, underwater eruptions, volcanos and more. Hydrothermal vents deep sea creatures on sea and sky. Nov 06, 20 onefifth of all known hydrothermal vents are threatened by deepsea mining posted on november 6, 20 by andrew david thaler tube worms and anemones on the galapagos rift. From the billions of organisms that live in the toxic chemicals of volcanic springs to the superhot hydrothermal vents deep in the oceans, dr iain stewart investigates in the groundbreaking and. Biochemist nick lane explains work on a hypothesis for the origin of life, from his book life ascending. A big part of these ecosystems is the microbes within them, most animals eat these microbes, or pray on each other. Hydrothermal vents and the marine life they support. Jun 25, 2018 hydrothermal vents are the result of seawater percolating down through fissures in the ocean crust in the vicinity of spreading centers or subduction zones places on earth where two tectonic plates move away or towards one another. In a career that has taken him to every corner of the world, he has explored. It discusses the fountains of warm water coming from the hydrothermal vents, and an underwater oasis and undefined species that thrives without the sun. Learn vocabulary, terms, and more with flashcards, games, and other study tools. But there is an underlying and associated cause population growth. The deep is perhaps the most hostile environment on earth, at least to us a world of crushing pressure, brutal cold and utter darkness. Blue planet 2 shows where life may have begun in the deep.
Seeps also tend to be more stable than hydrothermal vents. Mar 04, 2010 scientists have found evidence of hydrothermal vents on the seafloor near antarctica, formerly a blank spot on the map for researchers wanting to learn more about seafloor formation and the. Exploring hydrothermal vents and alien marine habitats. Microbes found at hydrothermal vents may also be important to the development of medicines and other products. A hydrothermal vent is a fissure on the seafloor from which geothermally heated water issues. The making of the deep ocean episode in blue planet ii the atlantic. Planet earth is a 2006 british television series produced by the bbc natural history unit. Mining of minerals found at hydrothermal vents is an emerging issue that may allow scientists to learn more about hydrothermal vents, but may also damage the seafloor and surrounding marine communities. Mining hydrothermal vents for renewable electricity, drinking. Deepest hightemperature hydrothermal vents discovered in.
David attenboroughs exploration of natures marvels and brutality. Sep 19, 2008 one of the strangest ecosystems on earth lies deep under the ocean. The bbcs blue planet ii travelled to the bottom of the ocean this week, an area we. We are about to start mining hydrothermal vents on the ocean. Black smokers lie nearly two miles deep at the bottom of the pacific ocean. Pierce brosnan, david attenborough, alastair fothergill, andrew byatt.
David attenborough and mark ruffalo respond to the threat of climate change and to the deniers. Each special would focus on a single type of animal. Originally, the researchers thought the vents might be a source of the dissolved organic carbon. Wildlife specials is a series of nature documentaries made in the uk. Using cuttingedge technology, one ocean takes us on a journey from the. The findings are the result of the most comprehensive, comparative study to. Five years in the making, it was the most expensive nature documentary series ever commissioned by the bbc. Were looking at hydrothermal vents, originally discovered near the galapagos rift in 1977. Cbeebies app retells sir david attenboroughs escapades for. But the thought does keep me up many nights, wondering what weve done by letting the world know about vents. This short film could be used to introduce students to the idea of hydrothermal vents before. Nov 05, 2017 blue planet 2 shows where life may have begun in the deep episode.
This video describes the new discoveries surrounding hydrothermal vents. Apr 05, 20 in many areas of high volcanic activity, water seeps into the subsurface where it is intensely heated and then finds its way to the surface again. The lost city hydrothermal vent in the atlantic bbc. Bacteria that can derive energy from hydrogen sulfide form the base of the food chain in these areas. Hydrothermal vent chemistry and life national geographic. Atlantic ocean also sustains life through the bacteria that surround its sulphide vents.
Scientists first thought the white soil was caused by sulfate minerals. Deepsea hydrothermal vents have carbonremoving properties. So, longterm, i dont know if not knowing about hydrothermal vents would protect them any more than ignorance protected all the other species and ecosystems weve destroyed without having known them. Hydrothermal vents also come in many different shapes and sizes. Basically, a hydrothermal vent is a hot spring produced by underwater volcanoes or tectonic activity. The sulphides they produce are food for microscopic bacteria that are in turn. Hi, im liz bonnin and this next clip looks at plates and eggs. Mar 09, 2017 cbeebies app retells sir david attenborough s escapades for toddlers this article is more than 3 years old the 90yearold broadcaster launches an animated series in which he revisits some of the. Using submarines and remotely controlled cameras, researchers have discovered unique animals living deep in the ocean near hydrothermal vents. Blue planet ii has treated viewers to some of the most breathtaking television of the year, ranging from transforming fish to underwater lakes. Oct 17, 2007 and then, perhaps, he might make a small, friendly sound, in the hope that he could persuade the bearded judge to turn his head. The dangers facing the earths ecosystems are well known and the subject of great concern at all levels. These vents occur in geologically active regions of the ocean floor.
The wildlife documentary series narrated by david attenborough goes on groundbreaking. Life after death is almost the only naturalhistory series yet to be made by attenborough. As we journey through our deep seas, coral reefs, open ocean, green seas. They wondered how deepocean temperatures could change so drasticallyfrom near freezing to 400 c 750 fin such a short distance. Apr 19, 2010 what fuelled life on earth some 4,000 billion years ago. Hydrothermal vents david attenborough hydrothermal vents support life. Hydrothermal vents david attenborough scienceblogs.
English hydrothermal vents david attenborough amara. Anyone else would have been terrified by the brush with death, but for jon it was all in a days work. A masterful storyteller, cameron examines not only the extreme environment at the oceans floor, but. Unlike the chemicals around hydrothermal vents, cold seeps are similar in temperature to the surrounding waters. Volcanic springs and hydrothermal vents bbc youtube.
The woods hole oceanographic institution is dedicated to advancing knowledge of the ocean and its connection with the earth system through a sustained commitment to excellence in science, engineering, and education, and to the application of this knowledge to problems facing society. While being lethally toxic to most forms of life, bacteria flourishes from these chemicals which are eaten by shrimp. Hydrothermal vents on mars could have supported life space. Download subtitles for the deep david attenborough looks at the strange creatures that live in the. The cold seawater is heated by hot magma and reemerges to form the vents.
At the top of the food chain, fish that never stray far from the vents. Rating is available when the video has been rented. They are often found in close proximity to each other within a confined geographical field. Hydrothermal vents discovered off antarctica sciencedaily. I find myself thinking of those towering hydrothermal vents at the bottom of the ocean, in the blue planet.
Oct 05, 2007 thousands of new kinds of marine microbes have been discovered at two deepsea hydrothermal vents off the oregon coast. May 22, 2008 as the rover drove away from tyrone, its jammed right front wheel dug this trench. There are many animals that live around black and white smokers hydrothermal vents. The blue planet seas of life collectors set parts 14 by bbc video by alastair fothergill. One such lake features in the deepthe second episode of blue planet ii, which aired saturday on bbc america and other networks. Broadcaster and naturalist sir david attenborough presents the 2011 rsa presidents lecture. At a hydrothermal vent system in the middle of the atlantic, seawater and rock react under extreme. Download now perhaps the most important one of all is in the atlantic, sir david attenborough explained in the episode. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart at spreading centers, ocean basins, and hotspots. Nov 02, 2015 scientists have determined how hydrothermal vents influence ocean carbon storage. Over 60% of our planet is covered by ocean more than a mile deep. Download an oceans poster and discover more about life in the oceans. Onefifth of all known hydrothermal vents are threatened by.
The coral reefs of indonesia are home to the biggest variety of ocean dwellers. David attenboroughs exploration of natures marvels and. David attenborough s selection of memorable film moments demonstrating the leaps in filmmaking technology in the past 30 years and showcasing the diversity of life. Within these regions, seawater seeps down deep into the earths crust through cracks and fissures in the ocean floor. From the billions of organisms that live in the toxic chemicals of volcanic springs to the superhot hydro thermal vents deep in the oceans. The wildlife documentary series narrated by david attenborough goes on groundbreaking journey to the. The planet earth is a bbc nature documentary series narrated by david.
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