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Search results “Ecology of sea animals” for the 2015
Arctic Marine Life Course (Benthic Ecology)
 
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Dr. Peter Ross is the Director of the Ocean Pollution Research Program at Vancouver Aquarium. In more than 25 years of marine pollution research, he pioneered new techniques to evaluate the effects of persistent pollutants on the health of marine mammals. He has led groundbreaking studies on the health of B.C.’s iconic killer whales, on the effects of flame retardants on beluga whales, on the presence of hydrocarbons in sea otters and their habitat, on trends in priority pollutants in harbour seals, on the impacts of currently used pesticides on the health of salmon, and on the identification of emerging pollutants in sentinel species. He is an international expert in the area of ocean pollution, having published more than 120 scientific articles and book chapters. About the Arctic Marine Life Course: Canada is an Arctic nation, yet only a small percentage of Canadians actually live in the Arctic. How do people living in the southern parts of Canada, or anywhere else in the world for that matter, learn about the unique and fascinating marine animals that inhabit this enigmatic environment? In collaboration with the Canadian Association of Science Centres (CASC) and the Canada's Accredited Zoos and Aquariums (CAZA), the Vancouver Aquarium Marine Science Centre is offering the Online Arctic Marine Life course to shed new light on this mysterious world! http://www.vanaqua.org/arctic-marine-life-course
Views: 1323 Vancouver Aquarium
Aquatic ecosystem: Aquatic organism: Productivity factors for UPSC IAS  : Learn Online
 
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Click here to subscribe to current affairs analysis course, http://imojo.in/fyr1c8 (May 2016 to June, 2017 One year course) http://imojo.in/6xod1q (Nov, 2016 to June, 2017) Download PDF slides of Videos: click here, http://imojo.in/jqjl1 Visit : www.thinkersias.com/currentaffairs If you have any doubts, Please contact us, [email protected] In Prelims, 2016, 48 question directly came from this course.(We provided Quick revision videos on Current affairs exclusively for Prelims, 2016 along with the course, 27 hour Revision lectures covered whopping 48 questions!!!!) Check yourself, here is the link, https://drive.google.com/file/d/0B0-I... Visit website : www.thinkersias.com facebook : www.facebook.com/thinkersias Here to the links to all the videos for UPSC IAS Preparation, Ethics, Integrity and Aptitude https://www.youtube.com/watch?v=-FgEwqKkJbM&t=5s&index=2&list=PL11qqSwe0f6SmHI45eNFZrGwftQBx8ZPF Ancient History for UPSC IAS Preparation https://www.youtube.com/watch?v=M-bNz7wDLd0&list=PL11qqSwe0f6QX8wsd2G0rUV8adkpaI9KL Current affairs analysis Sample videos https://www.youtube.com/watch?v=1PuEVnBZdqQ&list=PL11qqSwe0f6SmHI45eNFZrGwftQBx8ZPF Geography for UPSC IAS https://www.youtube.com/watch?v=rZMLJSNDa4k&list=PL11qqSwe0f6RY1_5OAXZb_MBnC_hWrKNT&index=2 Indian Art and Culture for UPSC IAS https://www.youtube.com/watch?v=m4UVV9WR93s&index=2&list=PL11qqSwe0f6Sfc9MhJP2NUamLMrC5AxF1 Environment, Ecology and Agriculture for UPSC IAS Preparation https://www.youtube.com/watch?v=U96nR89wa5Q&list=PL11qqSwe0f6SDbS2gOIxpYdwlqP2LvRtY Contemporary issues https://www.youtube.com/watch?v=1PuEVnBZdqQ&list=PL11qqSwe0f6RfWdOjAS5R8jFLbeOBWPEy Security and International relations https://www.youtube.com/watch?v=YcE9bMjXB_Y&list=PL11qqSwe0f6S9HXs-B_itNIKmEl-NvysU&index=2 Environment and ecology for UPSC IAS, KPSC, KAS, MPSC, GPSC, UPPSC, TNPSC, APPSC, MHPSC preparation Like us on facebook., https://www.facebook.com/pages/UPSC-G... This video is Part of Ecology, Environment, Agriculture and Climate change series. Useful for UPSC Preparation, IAS preparation, KAS, KPSC, MPSC, GPSC, UPPSC, APPSC, TNPSC and all state service examination. Also useful for students of Environment engineering, Social science Online lectures, Classes, coaching for IAS, KAS, KPSC, GPSC, MPSC, TNPSC, UPPSC, ZPSC Please subscribe to the channel Please subscribe to the channel Useful for UPSC IAS preparation If you are already a subscriber, please spread the word with your friends, especially with those who could not afford coaching classes
Views: 47678 Thinkers IAS
Ecology: Oxygen & Growth of Aquatic cold blooded animals
 
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Breathing under water is challenging. How does the oxygen uptake of cold-blooded, aquatic animals change as they grow? Both the capacity for oxygen uptake and the oxygen requirements of animals changes with body size. This animation explains how body size affects oxygen supply and demand via changes in surface area to volume ratios and viscosity effects to provide a better understanding of changes in respiratory challenges during growth. Ecology: Oxygen & Growth of Aquatic cold blooded animals | Concept and Text - Wilco Verberk - http://aquaticecology.nl | Further reading - http://dx.doi.org/10.1111/1365-2435.12152 | Animation - DaanDirk|Visuals - http://daandirk.com
Views: 416 Wilco Verberk
Marine Behavioural Ecology 2015 podcasts
 
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A review of the effects of human-made environmental changes on the behaviour of marine animals through 60-sec podcasts of published papers - by the Marine Behavioural Ecology class of Summer 2015
Pacific Ocean Paradise - National Geographic - 720p
 
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*Sorry for the somewhat poor quality, especially at the start In a remote corner of the South Pacific, National Geographic Explorer Enric Sala – one of the world’s leading marine ecologists – leads an elite team into an isolated underwater Eden. Sharks reign in the southern Line Islands, where humans rarely visit and survival is still of the fittest. Completing a daring survey of life on the reef from the micro to the mega, the research team uncovers secrets in what could be the last unspoiled archipelago on Earth.
Views: 1249629 Kenney Madsen
Aquatic Ecosystems
 
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This video describes different aquatic ecosystems on earth and the importance of zones of tolerance for the species living in aquatic ecosystems. Explore more Kilroy Academy STEAM education resources at www.kilroyacademy.com.
Ocean Ecology
 
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From the surface the ocean looks flat and blue and it goes on for ever. Beneath the surface strange and beautiful fish, corals, crustaceans, and other creatures make it their home. Listen to retired National Park Service scientist Gary Davis introduce you to this exciting, mysterious world and learn about the conservation and scientific efforts the National Park Service engages in to protect oceans for all life on earth.
Views: 669 Explore Nature
Why is biodiversity so important? - Kim Preshoff
 
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View full lesson: http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoff Our planet’s diverse, thriving ecosystems may seem like permanent fixtures, but they’re actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks. What makes one ecosystem strong and another weak in the face of change? Kim Preshoff details why the answer, to a large extent, is biodiversity. Lesson by Kim Preshoff, animation by TED-Ed.
Views: 884328 TED-Ed
DIVERS ENCOUNTER GIANT FISH
 
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Ever seen the world’s largest bony fish? This is it, the ocean sunfish and sure it one funky looking creature! Nakamura, I., Goto, Y., & Sato, K. (2015). Ocean sunfish rewarm at the surface after deep excursions to forage for siphonophores. Journal of Animal Ecology. Divers Swim with Enormous Sunfish: Miguel Pereira/ViralHog Ocean Sunfish Eating Jellyfish Sequence: Dr. Itsumi Nakamura Basking Ocean Sunfish: Eric Shoemaker
Views: 1391627 Animal Wire
Australia. The Great White Shark | Full Documentary
 
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We found the great white shark in the waters of the south coast of Australia, a crowded fed by waters from the Antarctic ice continent life. With its two-ton, this great wild predator prowls the Australian beaches in search of its most coveted prey, the sea lion. We dive on the Australian continent to see the beautiful and varied creatures that hide in its waters feared of the white shark. ▶ SUBSCRIBE! http://bit.ly/PlanetDoc Full Documentaries every Tuesday, Thursday and Saturday! ▶ Documentary "Australia. The Great White Shark " http://pdoc.es/AustraliaENG-PL The waters that bathe the south of Australia are a link preserved from a former union whit the Antarctic. For the sharks, this is a region of plenty. The basic design of their bodies is 300 million years old, and is literally perfect. But only one of them is called Death. Beyond the reef lies the kingdom of the great killer, the vast blue, the cold waters which are tinged with red when hunger demands. The great white shark, two thousand kilos of savage strength at the service of a mouth. A prodigious animal which, after hundreds of year of blind terror, we are now learning to admire. As we move further up the west coast of Australia, and approach the Tropic of Capricorn, corals are more in evidence, and start to form reefs. The coral reef is a very different ecosystem from that of the cold waters of the south. The coral reef is like a gigantic self-contained organism, in which energy passes from one layer to the next, with just two essential ingredients - the sun and the sea. The corals are specialists in poor waters like these, provided they are clear. We arrive in the dominions of the great white shark, the dark blue waters. And here, a tragedy, repeated every year, is about to occur. The sea lions sense that the breeding season is approaching. Along the coast of southern Australia and Tasmania, they begin to gather near suitable places, playing and swimming with their characteristic skill. The great white sharks like nothing better than a fresh fur seal – warm red meat, covered in delicious fat, clean and easy to digest. But the great white shark comes to its annual rendezvous with the seal cubs. All it need do is approach the colony, and wait for its chance. This individual is eight metres of sheer fury, and almost two thousand kilos of expert hunter. Though it is a fish, its blood is ten degrees centigrade warmer than the surrounding water, so its muscles perform better in attack. It detects the electrical fields generated by its victims, and it is equipped with a system of navigation based on the earth’s magnetic field. Its sense of smell is infallible, and the muscles around its eyes are warmer than the others, to give it optimum sight. The black legend of the white shark has been forged on the basis of exaggerations. Its fame as a monster, devourer of men, is far in excess of the reality. But, for decades, it has served as an excuse for uncontrolled fishing. Their impressive appearance made them the most sought after of all fisherman’s trophies. In reality, attacks on humans are rare and, strangely, many of the victims survive. Like these three mutilated men, who know spend their lives killing the white sharks that attacked them. The white shark possesses the curiosity of all prowlers. We now know that the white shark only attacks men by mistake or in self-defence, when in these cloudy waters it mistakes them for its normal prey, the sea lions. It is so elusive that, in seas where there are now hardly any seals, and the white sharks eat other prey that don’t resemble man, not only are there no attacks, but people don’t even suspect they exist. This fantastic animal is a symbol of the sea in which it lives, a sea which we are threatening, a much more deadly threat than the great white. It is relatively easy to defend the great white, but there are 350 other species of shark increasingly threatened over-fishing, with virtually no one paying any attention to their plight. No one knows how many answers lie in these waters, but one thing is certain, in the deep, vast blue, in the salty abyss in which all these creatures live, only one is king. Carcharodon carcharias, the white death. ▶SUBSCRIBE | http://bit.ly/PlanetDoc ▶FULL DOCUMENTARIES | http://planetdoc.tv/playlist-full-documentaries ▶ WILD ANIMALS DOCUMENTARIES | http://planetdoc.tv/playlist-wild-animals ▶FACEBOOK | http://bit.ly/FBPDoc ▶TWITTER | http://bit.ly/TwPDoc ▶TUMBLR | http://bit.ly/TbPlDoc Thumbnail By Elias Levy (Great White Shark) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons
The Amazing Diversity of Fishes
 
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(Visit: http://www.uctv.tv/) Fish showed up in the fossil record about 500 million years ago, and today, they are the most diverse group of vertebrate animals on the planet. Phil Hastings, Scripps Professor, and Curator of the SIO Marine Vertebrate Collection, will discuss the global diversity of fishes. Series: "Jeffrey B. Graham Perspectives on Ocean Science Lecture Series" [8/2015] [Science] [Show ID: 29777]
Marine Life Symbiosis
 
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Review of three types of symbiosis -- parasitism, mutualism, and commensalism -- with examples from the marine environment. Developed for an introductory-level oceanography course. To access a version with CC, go to: http://www.ccsf.edu/earthrocks To access a version with CC, go to: http://www.ccsf.edu/earthrocks Part of the Living Ocean Series: Part 1: Life and the Physical Environment Part 2: Life and the Chemical Environment Part 3: Marine Life Symbiosis
Views: 1484 Earth Rocks!
Freshwater Ecosystem | Iken Edu
 
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Freshwater Ecosystem | Iken Edu This interactive animation describes about freshwater ecosystem. For more videos visit https://www.youtube.com/ikenedu Follow us on twitter https://twitter.com/ikenedu Like us on https://www.facebook.com/ikenconnect
Views: 48277 Iken Edu
Dolphins and steel: marine mammal ecology in industrialised seas
 
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Professor Ben Wilson, professor of energy, University of the Highlands and Islands Tuesday 10 February 2015, Inverness College UHI Inaugural Professorial Lecture: “Dolphins and steel: marine mammal ecology in industrialised seas” Our coastal seas host an impressive diversity and abundance of marine mammals. Many of these species have been known about for hundreds of years but only in recent decades have we developed the tools to really understand their daily lives and the threats that they face. Concurrent has been an increasing use of the seas and oceans for industrial activities from food and energy provision to transport and war. In this talk, Ben Wilson outlines his own studies of Scottish porpoises, Pacific sea lions and bottlenose dolphin populations from the Moray Firth to Florida and Croatia. All of these populations have been impacted by human activities to greater, lesser or unknown extents. His current work focusses on how technologies to extract renewable energy from the seas (wind, waves and tides) will interact with indigenous wildlife. These studies have posed many questions about how and why marine mammals and fish use energetic ocean habitats and in particular how they will respond to the diversity of the novel marine machines being proposed. Of specific conservation concern is whether or not marine mammals will collide with the blades of tidal turbines. Scotland is currently the world hub for marine energy extraction and so many of these fascinating interactions will take place off our own shores. Accordingly, Ben and the wider University of the Highlands and Islands marine energy research team has a ring-side seat on these issues and is playing a leading role in developing industry relevant solutions.
Views: 230 thinkuhi
Ecosystem: Open Ocean
 
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Views: 14715 Emily Lamberson
Visitors from the Deep
 
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How a bizarre deep sea creature shapes life within the intertidal zone – a brief overview of field research by the Aquatic Behavioural Ecology Lab at McMaster University - by Aneesh Bose
Views: 442 iClimate VideoComp
Plastic pollution in the ocean
 
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Plastic pollution is poisoning our oceans, and it is not just a threat for the environment but for the entire ecosystem, including humans. Project made for Lund University, Master in "Environmental Management & Policy". Group members: Federica Bertolani, Nikki Kelderman, Elena Mnatsakanian and Julija Skolina. Sources: Ecology Center: http://ecologycenter.org/plastics/ (Accessed on 17-11-15) Gall, S.C., Thompson, R.C., The impact of debris on marine life, Marine Biology & Ecology Research Centre, Plymouth University, Drake Circus, Plymouth, Devon PL4 8AA, United Kingdom, Available online 10 February 2015 Natural Resource Defense Council: http://www.nrdc.org/oceans/plastic-ocean/default.asp (accessed on 17-11-15) Plastics Europe, "Plastics – the Facts 2014/2015. An analysis of European plastics production, demand and waste data" report, 2015. http://www.plasticseurope.org/Document/plastics-the-facts-20142015.aspx Scientific and Technical Advisory Panel (STAP), Information document: Marine Debris as a Global Environmental Problem, 2011 The Ocean Clean Up project: https://www.theoceancleanup.com
Views: 120361 Federica Bertolani
Ocean Alert: Overfishing
 
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The world's oceans are the biggest source of food for the whole planet. Almost 35% of the world's population gets most of their protein from ocean animals. Although seafood markets around the market appear to be full, they hide a crisis: overfishing. Overfishing occurs when people catch more animals than the ocean can sustain. To learn more, check out our online coral reef ecology curriculum: http://www.lof.org/education/portal/
Island Ecology for Educators - EDN 595 Documentary
 
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My video documentary about the travel the sea turtles make to the ocean once they hatch, and the dangers they face. Photo and video sources in order of appearance: http://www.sherpaguides.com/georgia/barrier_islands/sea_turtles/ http://www.dailymail.co.uk/sciencetech/article-1360296/Loggerhead-turtles-use-Earths-magnetic-field-make-mental-map-migration.html http://www.sunsetbeachturtles.org/about.html http://www.dreamstime.com/royalty-free-stock-photos-loggerhead-turtle-baby-caretta-caretta-image7074568 https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=11&ved=0CEQQFjAKahUKEwi63Krn35LGAhWDKqwKHed2AHg&url=http%3A%2F%2Fpixfocus.com%2Fbaby-loggerhead-turtles.html&ei=u1F_VfqSPIPVsAXn7YHABw&usg=AFQjCNHglbBygwXfsp4I0BlhmY54iqcz_A&sig2=IalyO5NEqCgFjUJ234p1lg http://test609.bhic.org/turtle-walks http://pixshark.com/trash-beach.htm http://www.southwaltonturtlewatch.org/loggerhead-stuck-in-hole/ http://www.nhm.ac.uk/visit-us/wpy/gallery/2010/images/one-earth-award/4364/turtle-in-trouble.html http://www.savetheplasticbag.com/ReadContent612.aspx http://www.maryalicemonroe.com/site/epage/28025_67.htm http://animals.nationalgeographic.com/animals/wallpaper/raccoon-eating_image.html http://www.dailymail.co.uk/news/article-2996876/Stand-brown-bear-fox-Alaskan-beach-ends-playful-chase-going-one-winner.html http://www.dog-obedience-training-review.com/how-to-stop-dogs-from-digging.html http://marinebio.org/species.asp?id=163 http://www.sciencedaily.com/releases/2006/11/061101151510.htm https://www.youtube.com/watch?v=3hziM2z37jE
Views: 83 Mike Markum
Coral Reefs: Unraveling the Web
 
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Coral reefs are an ecosystem that supports millions of different creatures. A coral reef food web is so complex, it's better to think of it as a food web - a network of food chains - that tells a story about the interdependence of all the animals and plants that live in the reef. To learn more, check out our online coral reef ecology curriculum: http://www.lof.org/education/portal/
Cool Jobs: The Aquatic Biologist
 
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Cool Jobs: Meet the people with the coolest jobs in the world. Pamela Schaller, the head aquatic biologist for African penguins at the Steinhart Aquarium, racks up a colorful resume that includes ocean dives for sharks and octopi, designing museum exhibits at her aquarium, and educating the public about the animals she loves. The World Science Festival gathers great minds in science and the arts to produce live and digital content that allows a broad general audience to engage with scientific discoveries. Our mission is to cultivate a general public informed by science, inspired by its wonder, convinced of its value, and prepared to engage with its implications for the future. Original Program Date: June 5, 2010 Subscribe to our YouTube Channel for all the latest from WSF. Visit our Website: http://www.worldsciencefestival.com/ Like us on Facebook: https://www.facebook.com/worldsciencefestival Follow us on twitter: https://twitter.com/WorldSciFest
Views: 12492 World Science Festival
How Balloon Releases are Harming the Marine Ecosystem
 
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A Jake Walter Production Human Disturbances on the Ecosystem- focusing on how mass balloon releases are affecting the marine ecosystem. ---------------------------------------------------------------------------------------------------- Thanks for watching!! Make sure to subscribe!! I do not own any of the footage in this videos, so credits to the original owners.
Views: 5148 Jake Walter
Journal of Animal Ecology : In hot and cold water: differential life-history traits are key...
 
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In hot and cold water: differential life-history traits are key to success in contrasting thermal deep-sea environments. Leigh Marsh et al (2015), Journal of Animal Ecology http://dx.doi.org/10.1111/1365-2656.12337 Few species of reptant decapod crustaceans thrive in the cold-stenothermal waters of the Southern Ocean. However, abundant populations of a new species of anomuran crab, Kiwa tyleri, occur at hydrothermal vent fields on the East Scotia Ridge. As a result of local thermal conditions at the vents, these crabs are not restricted by the physiological limits that otherwise exclude reptant decapods south of the polar front. We reveal the adult life history of this species by piecing together variation in microdistribution, body size frequency, sex ratio, and ovarian and embryonic development, which indicates a pattern in the distribution of female Kiwaidae in relation to their reproductive development. High-density ‘Kiwa’ assemblages observed in close proximity to sources of vent fluids are constrained by the thermal limit of elevated temperatures and the availability of resources for chemosynthetic nutrition. Although adult Kiwaidae depend on epibiotic chemosynthetic bacteria for nutrition, females move offsite after extrusion of their eggs to protect brooding embryos from the chemically harsh, thermally fluctuating vent environment. Consequently, brooding females in the periphery of the vent field are in turn restricted by low-temperature physiological boundaries of the deep-water Southern Ocean environment. Females have a high reproductive investment in few, large, yolky eggs, facilitating full lecithotrophy, with the release of larvae prolonged, and asynchronous. After embryos are released, larvae are reliant on locating isolated active areas of hydrothermal flow in order to settle and survive as chemosynthetic adults. Where the cold water restricts the ability of all adult stages to migrate over long distances, these low temperatures may facilitate the larvae in the location of vent sites by extending the larval development period through hypometabolism. These differential life-history adaptations to contrasting thermal environments lead to a disjunct life history among males and females of K. tyleri, which is key to their success in the Southern Ocean vent environment. We highlight the complexity in understanding the importance of life-history biology, in combination with environmental, ecological and physiological factors contributing to the overall global distribution of vent-endemic species.
Views: 2986 ScienceVio
Plankton. The Most Vital Organisms On Earth | World Oceans Day | BBC Earth
 
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New David Attenborough series Dynasties coming soon! Watch the first trailer here: https://www.youtube.com/watch?v=JWI1eCbksdE --~-- Happy World Oceans Day! Click here to watch our SpongeBob SquarePants video https://www.youtube.com/watch?v=WLNe3TutnNM The BBC Earth Unplugged team take over BBC Earth to delve a little deeper into why plankton are the most important organisms on the planet. Subscribe to BBC Earth: http://bit.ly/BBCEarthSubBBC Earth YouTube Channel: http://www.youtube.com/BBCEarth BBC Earth Facebook http://www.facebook.com/bbcearth (ex-UK only) BBC Earth Twitter http://www.twitter.com/bbcearth Visit http://www.bbc.com/earth/world for all the latest animal news and wildlife videos This is a channel from BBC Studios who help fund new BBC programmes.
Views: 51643 BBC Earth
Coral Reef Ecosystems:  Human Impacts Pristine Reefs and Conservation Strategies
 
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(Visit: http://www.uctv.tv/) Understanding how humans impact marine ecosystems is crucial to developing successful conservation strategies that protect the health of our ocean. Discover how Scripps marine ecologist Jennifer Smith and her team are conducting research relevant to solving human-induced problems in environments ranging from coral reefs to the waters off our shores. Series: "Jeffrey B. Graham Perspectives on Ocean Science Lecture Series" [1/2015] [Science] [Show ID: 28675]
Marine defaunation: Animal loss in the global ocean
 
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Video abstract for McCauley, DJ, Pinsky, ML, Palumbi, SR, Estes, JA, Joyce, FH, and RR Warner. 2015. Marine defaunation: animal loss in the global oceans. Science 347: 1255641. Featured in the New York Times on January 16, 2015. http://www.nytimes.com/2015/01/16/science/earth/study-raises-alarm-for-health-of-ocean-life.html?_r=0
Views: 2116 Douglas McCauley
Estuaries: Where the River Meets the Sea
 
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Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea. Estuaries are home to unique plant and animal communities that have adapted to brackish water—a mixture of fresh water draining from the land and salty seawater. Estuaries are among the most productive ecosystems in the world. Many animals rely on estuaries for food, places to breed, and migration stopovers. Estuaries are delicate ecosystems. Congress created the National Estuarine Research Reserve System to protect more than one million acres of estuarine land and water. These estuarine reserves provide essential habitat for wildlife, offer educational opportunities for students, and serve as living laboratories for scientists. Original video source: http://beta.w1.oceanservice.woc.noaa.gov/facts/estuary.html
Views: 59822 usoceangov
Should This Lake Exist?
 
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The Salton Sea is the largest body of water in California, home to the second most diverse group of birds in America and it exists by accident. Another great video on the Salton Sea: https://youtu.be/otIU6Py4K_A I used archive from this video. Music by Kevin MacLeod, www.incompetech.com ‘Mirage’, ‘Hyperfun’, ‘Marty Gots a Plan’, ‘Past the Edge’
Views: 3318844 Veritasium
Why do Some Species Thrive in Cities?
 
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Urban development can be tough on wildlife. But some plants and animals are adapting to our cities in surprising ways. Thanks to squarespace.com for supporting this video. Go build a website! http://www.squarespace.com/minuteearth (use your 10% discount code: EARTH) Please support MinuteEarth on Patreon: https://www.patreon.com/minuteearth And subscribe! - http://www.youtube.com/user/minuteearth?sub_confirmation=1 Thanks to our Patreon patrons: - Emil Kampp - @TodayIFoundOut1 - @AntoineCoeur ________________________ Created by Henry Reich Production and Writing Team: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich Music by Nathaniel Schroeder: http://www.soundcloud.com/drschroeder ________________________ Free iTunes podcasts of MinuteEarth! - https://goo.gl/sfwS6n Facebook - http://facebook.com/minuteearth Twitter - http://twitter.com/MinuteEarth MinuteEarth provides an energetic and entertaining view of trends in earth’s environment – in just a few minutes! ________________________ References: Cheptou, P., Carrue, O., Rouifed, S., and Cantarel, A. (2008) Rapid evolution of seed dispersal in an urban environment in the weed Crepis sancta. Proceedings of the National Academy of Sciences, 109: 3796–9. http://www.pnas.org/content/105/10/3796 DeCandido, R., Muir, A.A., & Gargiullo, M.B. (2004) A first approximation of the historical and extant vascular flora of New York City: implications for native plant species conservation. Journal of the Torrey Botanical Society 131:243–251. http://birdingbob.com/NYC.Flora.Final.Paper.pdf Donihue, C.M., and Lambert, M.R. 2014. Adaptive evolution in urban ecosystems, AMBIO 44(3): 194-203. http://link.springer.com/article/10.1007%2Fs13280-014-0547-2 Fattorini, S. (2011) Insect extinction by urbanization: a long term study in Rome. Biological Conservation 144:370–375.http://www.sciencedirect.com/science/article/pii/S0006320710003952 Harris, S.E., Munshi-South, J., Obergfell, C., & O’Neill, R. (2013) Signatures of rapid evolution in urban and rural transcriptomes of white-footed mice (Peromyscus leucopus) in the New York metropolitan area. PLoS One 8(8):e74938. http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0074938 Tait, C.J., Daniels, C.B. & Hill, R.S. (2005). Changes in species assemblages within the Adelaide metropolitan area, Australia, 1836–2002. Ecology 15: 346-359. http://www.planta.cn/forum/files_planta/changes_in_species_assemblages_within_the_adelaide_metropolitan_area_australia_1836c2002_796.pdf. Wirgin, I., Roy, N.K., Loftus, M., Chambers, R.C., Franks, D.G. & Hahn, M.E., (2011) Mechanistic Basis of Resistance to PCBs in Atlantic Tomcod from the Hudson River, Science 331(6022): 1322-1325. http://www.sciencemag.org/content/331/6022/1322 White Footed Mouse photo by Melinda Fawver / Courtesy Shutterstock
Views: 977052 MinuteEarth
Fluorescence in the deep-sea squid Histioteuthis: The case of the green-eyed squid
 
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Scientists at MBARI recently deployed blue light-emitting diodes (LEDs) on our remotely operated submersibles to observe fluorescence in deep-sea animals and investigate the ecological roles of light in the deep sea. When we shined blue LEDs on the strawberry squid, Histioteuthis, we were surprised by an impressive light show. This squid has one normal-sized eye, and one extraordinarily large eye, which was brightly fluorescent, indicating the presence of a blue-absorbing fluorescent pigment. The fluorescent pigment most likely aids in capturing prey by breaking their camouflage. Many organisms have fluorescent structures, but we are still exploring what the natural functions of these fluorescent pigments are. For more information on fluorescence and bioluminescence go to http://biolum.eemb.ucsb.edu Video narration/animation/music/photos: Steve Haddock Video editing: Kyra Schlining Production support: Danielle Haddock, Linda Kuhnz, Lonny Lundsten, Nancy Jacobsen Stout, & Susan vonThun http://www.mbari.org
Hisense 4K Demo: Microcosmic Ecology
 
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Demo (nature, animals...) by the manufacturer of 4K TV Hisense.
Views: 67099 Quang Nguyen
Marine Ecosystem | Iken Edu
 
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Marine Ecosystem | Iken Edu This interactive animation describes about marine ecosystem. For more videos visit https://www.youtube.com/ikenedu Follow us on twitter https://twitter.com/ikenedu Like us on https://www.facebook.com/ikenconnect
Views: 9864 Iken Edu
Easter Island Marine Park's Stunning Sea Life
 
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Easter Island’s waters are teeming with sea life, including 142 species found nowhere else on the planet and 10 endangered species. See the animals and other underwater wonders that make this area so unique. During the Our Ocean conference in October 2015, Chile’s president, Michelle Bachelet, announced that these waters would become one of the world’s largest fully protected marine parks. Learn more about Easter Island's ocean-conservation victory: http://www.pewtrusts.org/en/about/news-room/press-releases/2015/10/05/pew-and-bertarelli-praise-chiles-creation-of-easter-island-marine-park TRANSCRIPT Rapa Nui Ocean Protectors: The Easter Island Region Vital spawning ground for marlins, tuna, and sharks Eight-million-year-old seamounts 142 species found only in Easter Island, such as butterfly fish and Nazca bigeye Ten species listed as endangered or critically endangered, including Bluefin tuna and leatherback turtle Hydrothermal vents make the area nutrient rich in part of the ocean known to be nutrient poor The Easter Island region Protecting our future, protecting our oceans
Views: 1312 Pew
Home Sweet Habitat: Crash Course Kids #21.1
 
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How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this episode, Sabrina talks about how these Habitats form Food Webs and how those Food Webs help us understand a lot about the world. This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Course Kids! Venus Image Credit: Brocken Inaglory https://en.wikipedia.org/wiki/Venus#/media/File:Venus-pacific-levelled.jpg ///Standards Used in This Video/// 5-LS2-1. Develop a model to describe the movement of matter among plants, animals, decomposers, and the environment. [Clarification Statement: Emphasis is on the idea that matter that is not food (air, water, decomposed materials in soil) is changed by plants into matter that is food. Examples of systems could include organisms, ecosystems, and the Earth.] [Assessment Boundary: Assessment does not include molecular explanations.] Want to find Crash Course elsewhere on the internet? Crash Course Main Channel: https://www.youtube.com/crashcourse Facebook - https://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/thecrashcourse Tumblr - http://thecrashcourse.tumblr.com Credits... Producer & Editor: Nicholas Jenkins Cinematographer & Director: Michael Aranda Host: Sabrina Cruz Script Supervisor: Mickie Halpern Writer: Allyson Shaw Executive Producers: John & Hank Green Consultant: Shelby Alinsky Script Editor: Blake de Pastino Thought Cafe Team: Stephanie Bailis Cody Brown Suzanna Brusikiewicz Jonathan Corbiere Nick Counter Kelsey Heinrichs Jack Kenedy Corey MacDonald Tyler Sammy Nikkie Stinchcombe James Tuer Adam Winnik
Views: 460855 Crash Course Kids
Biomes of the World for Children: Oceans, Mountains, Grassland, Rainforest, Desert - FreeSchool
 
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https://patreon.com/freeschool - Help support more content like this! From Antarctica to the hottest desert, there are many different places on Earth for plant and animals to live. Large groups of similar ecosystems are called biomes. You will probably recognize most of the biomes we visit in this video. Come learn a little more about them and the plants and animals that live there! Like this video if you want to see more videos about BIOMES! Subscribe to FreeSchool: https://www.youtube.com/user/watchfreeschool?sub_confirmation=1 Visit us on Facebook: https://www.facebook.com/watchFreeSchool Check our our companion channel, FreeSchool Mom! https://www.youtube.com/channel/UCTcEtHRQhqiCZIIb77LyDmA And our NEW channel for little ones, FreeSchool Early Birds! https://www.youtube.com/channel/UC3OV62x86XHwaqsxLsuy8dA Music: Jaunty Gumption, Willow and the Light, Air Prelude, Anguish - Kevin MacLeod (incompetech.com) Video Credits: DigitalAquamarine https://www.youtube.com/watch?v=p1mh884IyeM Michael Kendrick https://www.youtube.com/watch?v=WbH9QEWgCX0 Some footage courtesy of the US Fish and Wildlife Service and the US Geological Survey
Views: 645971 Free School
Marine ecology in easter island
 
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Easter Island is the most isolated inhabited island in the world, over 3,000 kilometers from the Chilean coast. At about 29 degrees South, it is the southern limit to the range in which corals can thrive, and its extreme isolation has led to a depauperate marine community with extremely high endemism. However, whereas coral reefs around the world are currently in decline, reefs at Easter Island appear to have been increasing in coral cover for the last several decades from an algal-dominated state. Researchers from Chile and the US sought to determine how the small regional species pool and isolated oceanographic position of Easter Island might influence these changes. Copyright 2015 Robert Lamb "The whirlwind's grandmother" (Cloud Mouth) is used under creative commons license. http://creativecommons.org/ns# http://purl.org/dc/terms/ http://freemusicarchive.org/music/cloud_mouth/afterlife/ http://www.myspace.com/birddog8o8 http://creativecommons.org/licenses/by-nc-sa/3.0/us/ CC BY-NC-SA 3.0
Views: 1248 Robert Lamb
► Adventure Ocean Quest - The White Sharks of Guadalupe (FULL Documentary)
 
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Up to 7 metres of muscle and teeth, packed into an agile and streamlined body that can weigh in at 2250kg – this is the great white shark, one of the most infamous hunters on Earth. But the reality is that these sharks may disappear from our oceans altogether within the next 20 years. Their terrifying reputation is part myth, part reality, rooted in their instinct to hunt and kill whatever looks like a good prey animal … and that can include human beings. But how far is their killer-reputation justified? Are great white sharks really the blood-thirsty loners we imagine them to be? Dr. Mauricio Hoyos is a scientist working on the behaviour and ecology of sharks. He wants to find out why they follow certain patterns of movements, including longdistance travels. The usual methods of getting close to great whites to study them closely and form impressions of their population cross-section include caged dives and diving with airtanks. But these techniques are now known to affect the sharks’ behaviour: the predators’ extraordinary electrical sensory systems react to the galvanic properties of metal. In addition, the sharks are often lured closer with bloody bait, a technique that undoubtedly increases the animals’ aggression and prey drive, which makes them uncomfortably dangerous diving partners. Furthermore, caged dives entirely rely on the animals coming to the researchers in order to take detailed notes on each individual, but the success of this depends on the sharks’ mood and willingness to approach the cage. Frederic is able to approach the animals and is treated entirely differently by them compared to conventional divers. His very basic equipment means that there is less chance of it interfering with the sharks’ normal and natural behaviour, which allows him to get close to them without triggering aggression. He dives with the sharks without a cage, without any form of protection – just Frederic and two other freedivers versus the predators in the water. They watch each other’s backs, because the sharks are known to attack mostly from behind. But freediving is the very thing that makes Frederic’s diving encounter with the great whites a safer experience. Frederic is likely to get much closer to the sharks than is normally possible, and in this way is able to assess the animals in more detail. Frederic’s assignment also includes an assessment of the sharks’ behaviour. This is also extremely difficult under normal conditions, when diving equipment interferes with the sharks’ behaviour. As such very little is known about the great whites’ detailed behaviour, and Frederic’s dives with them is an unprecedented window into their lives. Since Christian is there to document Frederic’s finding, the scientist is able to try to assess and interpret the behaviour witnessed by the freedivers. Since Great Whites have such a fearsome reputation, Frederic’s interactions with them in the water in itself provide the researchers with interesting insights into their interactions with humans. How and why does their behaviour differ towards a diver with conventional equipment compared to a freediver like Frederic and his two friends: This is an experiment that has never been documented before. To gain more insights into approaching fierce predators like the great white shark, Christian and Frederic have to be extremely well prepared. One thing is certain: with a predator like this, nothing can be left to chance. It is their success as a predator and their huge potential to inflict hideous damage that has made it so difficult to study them in detail and to assess their behaviour adequately from close quarters.
Views: 576127 Free Documentary
Tropical Marine Communities: Coral Reefs
 
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Marine Ecology Course: Coral Reef Restoration 20 February - 5 March 2015
Views: 92 Sea Ventures
Ryan Daly, Trophic ecology of bull sharks in the coastal waters of the southwest Indian Ocean
 
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Oral Presentation Ryan Daly1, Pierre W. Froneman1, Malcolm J. Smale2,3 1Department of Zoology & Entomology, Rhodes University, Po Box 94, Grahamstown, South Africa 6140 2Port Elizabeth Museum at Bayworld, PO Box 13147, Humewood, Port Elizabeth, 6013, South Africa 3Department of Zoology, Nelson Mandela Metropolitan University, PO Box 77000, Port Elizabeth, 6031, South Africa As apex predators, sharks play an important role in shaping their respective marine communities through predation and associated risk affects. Understanding the trophic dynamics of sharks within communities is, therefore, necessary to establish effective ecologically based conservation strategies. We employed non-lethal sampling methods to investigate the trophic ecology of sub-adult and adult bull sharks (Carcharhinus leucas) within a subtropical marine community in the southwest Indian Ocean using stable isotope analysis. Bull sharks and co-occurring predatory fish assemblages had similarly high trophic positions confirming their roles as top predators. Bull sharks, however, had a significantly wider niche width than other top predatory fish species suggesting that they had a greater predatory influence on the broader community with dietary contributions from primary, secondary and tertiary teleost consumers. The highly enriched δ13C values of a proportion of the bull shark population relative to the base isotopic sources at the study site further suggested that some individuals were foraging over a broad geographical range. Increased foraging range appeared to be associated with the greater mobility of adults. These larger individuals appeared to exhibit a shift in isotopic niche space towards a diet consistent with higher trophic level prey from a more diverse range of sources. This highlighted the important role of this large marine predator and suggests that they are capable of shaping and linking ecological processes from multiple marine communities.
Views: 117 Oceans Research
Is there hope for conservation? | James Borrell | TEDxQMUL
 
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James Borrell is a conservation biologist with a passion for challenging research expeditions. He founded the social enterprise Discover Conservation and is a member of the Inspired50. James’ research has taken him from the Peruvian Amazon to the High Arctic studying everything from critically endangered big cats, to tiny dragonflies and even dwarf trees. Even having visited remote parts of the tropics, James describes the hardest working environment as a bleak hillside in the Scottish Highlands with ‘typical’ Scottish weather. James’ particular interest is the genetics of endangered species and exploring how we can engage young people with conservation through citizen science and fieldwork. Despite all the bad news we are bombarded with daily about the state of our natural world, James is stubbornly optimistic and is convinced we are beginning to turn the corner. It is this message of optimism that James will aim to share in his talk. More about James here: www.jamesborrell.com James founded the social enterprise Discover Conservation and is a member of the Inspired50. James’ research has taken him from the Peruvian Amazon to the High Arctic studying everything from critically endangered big cats, to tiny dragonflies and even dwarf trees. James is convinced we are beginning to turn the corner. It is this message of optimism that James will aim to share in his talk. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx
Views: 30198 TEDx Talks
What really happens to the plastic you throw away - Emma Bryce
 
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View full lesson: http://ed.ted.com/lessons/what-really-happens-to-the-plastic-you-throw-away-emma-bryce We’ve all been told that we should recycle plastic bottles and containers. But what actually happens to the plastic if we just throw it away? Emma Bryce traces the life cycles of three different plastic bottles, shedding light on the dangers these disposables present to our world. Lesson by Emma Bryce, animation by Sharon Colman.
Views: 1946007 TED-Ed
Desert Plants and Animals adaptations -For Kids
 
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The best and the biggest channel for science videos for kids. For Kindergarten,preschoolers ,primary school kids. Deserts Biomes have harsh weather - Very hot and very less rains. With very heavy sand storms and very little water, animals and plants living in a desert have developed special features to cope with the environment. In this education video, children can learn about cactus and camel adaptions.
Views: 278387 makemegenius
Endangered animals: Sea Turtles
 
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This video is about sea turtles
Views: 57 Amy Giddy
Comet Posture in Sea Spiders
 
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Some sea spiders (Pycnogonida) adopt a posture that resembles a comet when they are descending in the water. Team pycno is studying the function of this elegant posture, trying to understand how it fits into the ecology of these animals. It is intriguing that smaller species tend to use this posture more frequently than larger species. Learn more about our research and see more videos on our website: www.polargiants.squarespace.com.
Views: 1501 PycnoWatchThis
Ghostly critters from the deep sea: Stygiomedusa gigantea
 
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Stygiomedusa gigantea is one of the largest invertebrate predators known in the ocean, yet little is understood about its ecology and behavior. Stygiomedusa lacks tentacles, but has four extraordinarily large oral arms that are presumably used to envelope prey. The swimming bell of this spectacular medusa can reach over one meter across with arms over ten meters long. A symbiotic relationship between Stygiomedusa and the fish, Thalassobathia pelagica, was confirmed in 2003 when scientists from the Monterey Bay Aquarium Research Institute (MBARI) filmed the pair swimming together in the Gulf of California. The fish has adapted to using the medusa as a hiding place in its open ocean habitat. In twenty-seven years of scientific ROV surveys, researchers at MBARI have been lucky enough to observe this rare animal seven times, from depths of 750 meters down to 2187 meters. Video editing & script: Kyra Schlining Narration: Andrew Hamilton Music: Heavy Water, APM Music, LLC Production support: Nancy Jacobsen Stout, Linda Kuhnz, Lonny Lundsten, Susan vonThun, George Matsumoto, Steve Haddock, Kim Fulton-Bennett Data for map from: OBIS (2015) [Distribution records of Stygiomedusa gigantea (Brown, 1910)] [ID numbers for data sources: 1620; 2524; 2303; 500] (Available: Ocean Biogeographic Information System. Intergovernmental Oceanographic Commission of UNESCO. http://www.iobis.org. Accessed: 2015-10-23) For more information: www.mbari.org See also: Drazen, J.C., and Robison, B.H. 2004. Direct observations of the association between a deep-sea fish and a giant scyphomedusa. Journal of Marine and Freshwater Behaviour and Physiology (37): 209-214.
The wonders of the Ocean!
 
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Presentation of an aspect of MIO activities: Environment, Biodiversity and Ecology
Aquatic Ecosystems
 
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Views: 383 Hannah Willard
What are animals thinking and feeling? | Carl Safina
 
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What's going on inside the brains of animals? Can we know what, or if, they're thinking and feeling? Carl Safina thinks we can. Using discoveries and anecdotes that span ecology, biology and behavioral science, he weaves together stories of whales, wolves, elephants and albatrosses to argue that just as we think, feel, use tools and express emotions, so too do the other creatures – and minds – that share the Earth with us. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and much more. Find closed captions and translated subtitles in many languages at http://www.ted.com/translate Follow TED news on Twitter: http://www.twitter.com/tednews Like TED on Facebook: https://www.facebook.com/TED Subscribe to our channel: http://www.youtube.com/user/TEDtalksDirector
Views: 205007 TED

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