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The ocean is not only home to dolphins and jellyfish, whales, and sharks. It’s also a museum where stories about life on the sea, not recorded in the books, are discovered. Uncover the human stories behind shipwrecks, including some of the most famous ones, including the Titanic. Are you ready to go back in time? Tune in to Ocean Today’s latest “Full Moon” video collection! ©2018 · 1A, Heienhaff · L-1736 Senningerberg · Luxembourg · Researchers have found seven new animal species living along the Southwest Indian Ridge, 3,000 metres beneath the surface of the ocean, in an area targeted for deep-sea mining. The XPRIZE Ocean Initiative is dedicated to ensuring our ocean is healthy, valued and understood. A mission to map the hidden ocean floor Scientists testing North Atlantic mesopelagic fish eaten by the ocean’s top predators found that nearly 75 percent were contaminated with microplastic fibers. Researchers have also discovered microplastics in the scat of gray seals and in the Atlantic mackerel they eat.23 days ago OMI serves to enrich and expand the public’s understanding of ocean science and conservation through the collaborative creation, exhibition, and open-distribution of innovative visual media as well as artistic approaches to ocean education. W zależności od klasyfikacji, wyróżnia się jeden, trzy, cztery lub pięć oceanów[2][3][4][5]: The mesopelagic area of the ocean plays a crucial role in marine ecosystems, but it has remained largely untouched and unexplored But now some nations are eyeing the deep sea as potentially rich new fishing grounds.24 days ago The total mass of the hydrosphere is about 1.4 quintillion metric tons (7018140000000000000♠1.4×1018 long tons or 7018150000000000000♠1.5×1018 short tons), which is about 0.023% of Earth’s total mass. Less than 3% is freshwater; the rest is saltwater, almost all of which is in the ocean. The area of the World Ocean is about 361.9 million square kilometers (139.7 million square miles),[9] which covers about 70.9% of Earth’s surface, and its volume is approximately 1.335 billion cubic kilometers (320.3 million cubic miles).[9] This can be thought of as a cube of water with an edge length of 1,101 kilometers (684 mi). Its average depth is about 3,688 meters (12,100 ft),[9] and its maximum depth is 10,994 meters (6.831 mi) at the Mariana Trench.[29] Nearly half of the world’s marine waters are over 3,000 meters (9,800 ft) deep.[16] The vast expanses of deep ocean (anything below 200 meters or 660 feet) cover about 66% of Earth’s surface.[30] This does not include seas not connected to the World Ocean, such as the Caspian Sea. Według tektoniki płyt skorupa ziemska powstaje w przybliżeniu w takim samym tempie, w jakim jest niszczona w strefach subdukcji, a łączna objętość oceanów nie ulega zmianie (nie licząc rozrostu i topnienia lodowców). Jedne oceany mogą powiększać się tylko kosztem innych; w historii Ziemi istniały zbiorniki oceaniczne, które zamknęły się na skutek ruchu kontynentów (paleooceany), a ich osady wypiętrzyły się tworząc łańcuchy górskie ( Himalaje). Dzisiejsze oceany Atlantycki, Arktyczny i Indyjski są geologicznie młodymi oceanami, które powstały w erze mezozoicznej i rozrastają się obecnie kosztem Pacyfiku. Tins of tuna state that they are “dolphin-friendly” so should products using cobalt say if the metal was mined on land or in the ocean? What would the best choice be anyway? Should the vents so special to Attenborough be spared and only nodule mining allowed? Oceana Canada, an ocean research charity, is hoping citizen scientists in Halifax armed with DNA kits will help them sniff out seafood fraud. In addition, many land animals have adapted to living a major part of their life on the oceans. For instance, seabirds are a diverse group of birds that have adapted to a life mainly on the oceans. They feed on marine animals and spend most of their lifetime on water, many only going on land for breeding. Other birds that have adapted to oceans as their living space are penguins, seagulls and pelicans. Seven species of turtles, the sea turtles, also spend most of their time in the oceans. For adding additional datasets you want listed email or leave a comment in the Comments Thread.  Saline water covers approximately 360,000,000 km2 (140,000,000 sq mi) and is customarily divided into several principal oceans and smaller seas, with the ocean covering approximately 71% of Earth’s surface and 90% of the Earth’s biosphere.[6] The ocean contains 97% of Earth’s water, and oceanographers have stated that less than 5% of the World Ocean has been explored.[6] The total volume is approximately 1.35 billion cubic kilometers (320 million cu mi) with an average depth of nearly 3,700 meters (12,100 ft).[7][8][9] The problems we face go well beyond borders and so does our work. WWF is uniquely positioned to activate a global network of experts and activists to confront the world’s most pressing ocean conservation challenges. What can antique corals reveal about the impact of climate change on the ocean? Zdaniem naukowców wielkość oceanu jest zbliżona do amerykańskiego Lake Superior, czyli drugiego największego jeziora na Ziemi.  ocean late 13c., from O.Fr. occean (12c.), from L. oceanus, from Gk. okeanos, the great river or sea surrounding the disk of the Earth (as opposed to the Mediterranean), of unknown origin. Personified as Oceanus, son of Uranus and Gaia and husband of Tethys. In early times, when the only known land masses were Eurasia and Africa, the ocean was an endless river that flowed around them. Until c.1650, commonly ocean sea, translating L. mare oceanum. Application to individual bodies of water began 14c.; there are usually reckoned to be five of them, but this is arbitrary; also occasionally applied …to smaller subdivisions, e.g. German Ocean “North Sea.” The ocean has a significant effect on the biosphere. Oceanic evaporation, as a phase of the water cycle, is the source of most rainfall, and ocean temperatures determine climate and wind patterns that affect life on land. Life within the ocean evolved 3 billion years prior to life on land. Both the depth and the distance from shore strongly influence the biodiversity of the plants and animals present in each region.[41] “We have largely thought of fish as very alien and very simple, so we didn’t really care how we killed them,” Braithwaite says. “If we look at trawl netting, that’s a pretty gruesome way for fish to die: the barometric trauma of getting ripped from the ocean into open air, and then slowly suffocating. Can we do that more humanely? Yes. Should we? Probably, yes. We’re mostly not doing it at the moment because it’s more expensive to kill fish humanely, especially in the wild.” What: A competition to develop mobile apps using ocean data sets. A total of $100,000 in prizes will be awarded for apps in the following categories: Fishing, Shipping and Trade, Ocean Acidification, Public Safety, and Exploration. The scaly foot snail is another rare creature only known to live in two spots in the ocean, both of which are licensed for mining. Extraterrestrial oceans may be composed of water or other elements and compounds. The only confirmed large stable bodies of extraterrestrial surface liquids are the lakes of Titan, although there is evidence for the existence of oceans elsewhere in the Solar System. Early in their geologic histories, Mars and Venus are theorized to have had large water oceans. The Mars ocean hypothesis suggests that nearly a third of the surface of Mars was once covered by water, and a runaway greenhouse effect may have boiled away the global ocean of Venus. Compounds such as salts and ammonia dissolved in water lower its freezing point so that water might exist in large quantities in extraterrestrial environments as brine or convecting ice. Unconfirmed oceans are speculated beneath the surface of many dwarf planets and natural satellites; notably, the ocean of Europa is estimated to have over twice the water volume of Earth. The Solar System’s giant planets are also thought to have liquid atmospheric layers of yet to be confirmed compositions. Oceans may also exist on exoplanets and exomoons, including surface oceans of liquid water within a circumstellar habitable zone. Ocean planets are a hypothetical type of planet with a surface completely covered with liquid.[11][12] pasticche al miglio capelli comment faire grandir son zizi naturellement proteine in palestra cosa prendere per far crescere i muscoli como levantar gluteos rapidamente en casa proteinas para ganar musculo come aumentare la massa muscolare in modo naturale come aumentare dimensioni pene lustverhogende middelen dieta para definir y aumentar la masa muscular imagenes de lagartos para dibujar wie kann ich meinen testosteronspiegel erhöhen integratori fase massa consigli per allungare il pene scheda massa avanzata como aser para q cresca el pene allargando definition prise de masse isolate un gros zizi come allungare le ciglia corte integratori per fare massa muscoli come farli crescere prise de masse paleo aumentare massa muscolare con dieta zona natürlich die potenz steigern comment agrandir pinis naturelement arandas jalisco fiestas de enero comment bander dur rapidement frauen über penisgröße come aumentare velocemente massa muscolare