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The benthic zones are aphotic and correspond to the three deepest zones of the deep-sea. The bathyal zone covers the continental slope down to about 4,000 meters (13,000 ft). The abyssal zone covers the abyssal plains between 4,000 and 6,000 m. Lastly, the hadal zone corresponds to the hadalpelagic zone, which is found in oceanic trenches. “The abyssal plains,” he asserted, “may have the highest biodiversity in the oceans, maybe the highest biodiversity on the planet.” Under a mandate from the UN General Assembly, the Intergovernmental Oceanographic Commission of UNESCO is now working to bring together all ocean stakeholders to develop a common Implementation Plan for the UN Decade of Ocean Science. Then join UNESCO’s IOC to design the UN Decade of Ocean Science and have your say about the next 10 years of ocean science development! The amount of plastic in the ocean is set to treble in a decade unless litter is curbed, a major report has warned. We’ve drilled the ocean floor for oil and gas, scarred it with trenches for communications cables, poisoned it with old radioactive waste and chemical weapons, and polluted its remotest corners with a blizzard of discarded plastic. So, is mining a step too far? Jim Mosher of Clearwater Seafood discusses how GIS will be critical to maintaining sustainable ocean ecosystems The pelagic part of the aphotic zone can be further divided into vertical regions according to temperature. The mesopelagic is the uppermost region. Its lowermost boundary is at a thermocline of 12 °C (54 °F), which, in the tropics generally lies at 700–1,000 meters (2,300–3,300 ft). Next is the bathypelagic lying between 10 and 4 °C (50 and 39 °F), typically between 700–1,000 meters (2,300–3,300 ft) and 2,000–4,000 meters (6,600–13,100 ft), lying along the top of the abyssal plain is the abyssopelagic, whose lower boundary lies at about 6,000 meters (20,000 ft). The last zone includes the deep oceanic trench, and is known as the hadalpelagic. This lies between 6,000–11,000 meters (20,000–36,000 ft) and is the deepest oceanic zone. The Sustainable Ocean Alliance (SOA) is a global organization that advances the impact of start-ups, social enterprises and youth-centered initiatives that are developing solutions to protect and sustain our ocean. SOA’s pipeline of ocean leaders, ages 16-35, is cultivated through a chapter-based model, led by students at the high school and college levels, as well as by young professionals. Plastic is everywhere – even the deepest parts of the ocean are now awash with it. SeaSee App shows us what the world would look like if the oceans were drained of water, using bathymetric (seafloor depth) data to generate 3D views. This app allows you to explore the ocean floor, from shipwrecks to marine habitats. Economic benefits generated by the ocean per year A mission to map the hidden ocean floor Plastics is just one issue facing the world’s seas, along with rising sea levels, warming oceans, and pollution, it says. 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 the time being, SoFi is remote-controlled. But the idea is that future versions would use machine vision to lock onto individual fish and follow them around, all without raising suspicion. That could help scientists study schooling dynamics, or monitor the health of fish populations in increasingly unhealthy oceans. “It could help us with the problems of fish avoidance and fish attraction that are associated with other forms of monitoring with robots and divers,” says Northeastern’s Hanumant Singh, who develops autonomous underwater vehicles but was not involved in the research. Plastics is just one issue facing the world’s seas, along with rising sea levels, warming oceans, and pollution, it says. We understand that the oceans impact every aspect of our lives and we see the power in every moment to change the future of our planet. Through music, mobile gaming and digital platforms. We see a new way to educate. Earth may be the blue planet, but beneath the ocean waves lies a vast forest of green.  “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.” Seychelles has announced two new Marine Protected Areas covering 210,000 square kilometers of biodiverse ocean waters. Vast and wondrous, our ocean covers more than 70% of our planet. It controls the weather and climate. It provides life, food and medicine. It is key to a thriving global economy and has inspired art, poetry and tales of adventures for centuries. Yet through neglect and a startling lack of access it has lingered as an afterthought in our conservation and exploration efforts. “It’s estimated that 95 per cent of the liveable space on our planet is in the ocean,” said Dr Carole Baldwin, curator of fishes at the Smithsonian’s National Museum of Natural History and lead author of the study. W tym zakątku oceanu jest coraz więcej pereł. Sprawy na serio wymykają się spod kontroli. Czy potrafisz dopasować je według koloru w tej zabawnej i trudnej grze logicznej? Tylko w ten sposób możesz się ich pozbyć. Beaked whales can dive 2,000 metres below the ocean’s surface. Why and how do they do it? SOA has the largest ocean youth network in the world, with members in 50 countries. SOA builds a global coalition of ocean champions to tackle ambitious sustainability initiatives for the betterment of our troubled seas. Obszar szelfu i stoku kontynentalnego są zbudowane ze skorupy kontynentalnej i przez geologów zaliczane do kontynentów. Obszary basenów oceanicznych, rowów oceanicznych i grzbietów śródoceanicznych mają skorupę typu oceanicznego i tworzą właściwy wszechocean. Formą pośrednią są tzw. mikrokontynenty – obszary położone na dnie oceanu, całkowicie lub prawie całkowicie przykryte wodą, a zbudowane ze skorupy kontynentalnej lub mieszanej. ©2018 · 1A, Heienhaff · L-1736 Senningerberg · Luxembourg · But there’s no other option. The machine will soon be deployed not in the huge pits of an opencast mine on land but in the sunless depths a mile underwater on the ocean floor. Under a mandate from the UN General Assembly, the Intergovernmental Oceanographic Commission of UNESCO is now working to bring together all ocean stakeholders to develop a common Implementation Plan for the UN Decade of Ocean Science. Join Ocean Futures Society today–Be part of Jean-Michel’s team as we explore the world and address important issues. With our updates, you can add your voice for the ocean! Cameron visited the Mariana Trench, the deepest place on Earth at 7 miles (11 km) below the surface of the Pacific Ocean, in a minisubmarine in 2012. He was only the second person to visit that area of the ocean. The most important legacies of the UN Decade of Ocean Science will be a new generation of ocean scientists and technicians, with the establishment of new research networks, and a new generation of enhanced observational systems, facilities and infrastructure that will help countries achieve the 2030 Agenda for Sustainable Development. 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