'New continent' and species discovered in Atlantic studyAugust 20, 2007A scientist from the University of Aberdeen is leading a team of international researchers whose work will continue our understanding of life in the deepest oceans, and contribute to the global Census of Marine Life. Exploring life in the North Atlantic Ocean at various depths of 800 to 3,500 metres, a team of 31 scientists are returning from a five-week scientific expedition which has surfaced a wealth of new information and insights, stunning images and marine life specimens, with one species thought to be new to science. The international team will be arriving in Scotland tomorrow (Saturday, August 18) following the expedition along the Mid-Atlantic Ridge (MAR) between Iceland and the Azores on board the £40 million royal research ship, the Royal Research Ship, James Cook.
Professor Monty Priede, Director of the University's highly-acclaimed Oceanlab, along with colleague Dr Nicola King, and students Jessica Craig, Claudia Alt and James Hawkins, are part of the science team on board the ship. Professor Priede said: "It is like surveying a new continent half way between America and Europe. We can recognise the creatures, but familiar ones are absent and unusual ones are common. We are finding species that are rare or unknown elsewhere in the world." One of the world's most advanced research vessels, the RRS James Cook, will be docking at Fairlie Pier by Largs tomorrow (Saturday, August 18), bringing samples of rare animals and a vast archive of pictures and videos, which will help us to understand more about life in the oceans. The RRS James Cook is the latest addition to the Natural Environment Research Council's fleet of oceanographic research ships. The team of scientists mapped over 1,500 square miles, exploring the deep sea creatures living in the depths of the Mid-Atlantic Ridge. They used the latest technology to learn more about what is living in this remote and relatively unexplored deep-sea environment using remotely operated vehicles equipped with digital cameras. With a suite of eight deep sea cameras they were able to capture images of life on the peaks and valleys of very rugged terrain. Colourful sponges and corals encrust rocky cliffs, whereas areas of soft sediment are populated by starfish, brittle-stars, sea cucumbers and burrowing worms. Fishes, crabs and shrimps forage over the ridge exploiting whatever they can find. Trawls, traps and corers have brought back thousands of specimens for study back in the laboratory. Professor Priede said: "We are trying to imagine what the north Atlantic would be like without the ridge that literally cuts it in half, as we think it has a major effect on ocean currents, productivity and biodiversity of the North Atlantic Ocean. "The RRS James Cook ship is an absolutely fantastic facility and is allowing marine researchers to explore new environments, find new animals and study global changes in the world's oceans." The aim of the voyage is to contribute to the wider MAR-ECO project studying biodiversity along mid-ocean ridges (www.mar-eco.no) and to the global Census research programme. Census of Marine Life is a 10-year global scientific initiative to assess and explain the diversity, distribution and abundance of life in the oceans. The team already think they may have discovered a new species of Ostracod (or seed shrimp) that was found swarming in large numbers on the western side of the ridge. Specimens are on their way to experts in Southampton where world-renowned expert, Professor Martin Angel, will ultimately determine whether this is a new species, describe it and allocate a name. Dr Steven Wilson, Director of Science & Innovation for the Natural Environment Research Council, said: "The Mid-Atlantic Ridge is still relatively unexplored so this voyage will have played a vital role in expanding our knowledge of the biodiversity of the region." Water currents and tides over the ridge were studied intensively and daily measurements were made of productivity in surface waters. The team left behind automatic equipment on the sea floor at six observing stations that will continue measurements and photography over the next two years. Further voyages are planned in 2008 and 2009 that will include retrieval of the gear. Oceanlab was responsible for assisting with the expedition management and deployed three deep ocean lander vehicles recording luminescent displays from animals living in the darkness on one of the peaks of the mid ocean ridge. Census of Marine Life | |||||||||||||||||||||
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Related Marine Life Current Events and Marine Life News Articles Tiny magnetic crystals in bacteria are a compass, say Imperial researchers Scientists have shown that tiny crystals found inside bacteria provide a magnetic compass to help them navigate through sediment to find the best food, in research out today. Ocean growing more acidic faster than once thought University of Chicago scientists have documented that the ocean is growing more acidic faster than previously thought. In addition, they have found that the increasing acidity correlates with increasing levels of atmospheric carbon dioxide. Light pollution offers new global measure of coral reef health We've all seen the satellite images of Earth at night--the bright blobs and shining webs that tell the story of humanity's endless sprawl. Urgent action on international coral reef crisis Coral reef scientists and policy makers from the world's most prominent coral reef nations are meeting in Australia this week to develop urgent action plans to rescue the world's richest centre of marine biodiversity from gradual decline. Brown Scientist Finds Coastal Dead Zones May Benefit Some Species Coastal dead zones, an increasing concern to ecologists, the fishing industry and the public, may not be as devoid of life after all. A Brown scientist has found that dead zones do indeed support marine life, and that at least one commercially valuable clam actually benefits from oxygen-depleted waters. Study finds high mortality of endangered loggerhead sea turtles in Baja California Along the southern coast of Baja California, Mexico, scientists have been counting the carcasses of endangered sea turtles for a decade as part of an effort to assess and eliminate threats to loggerhead sea turtle populations. 2008 ozone hole larger than last year The 2008 ozone hole - a thinning in the ozone layer over Antarctica - is larger both in size and ozone loss than 2007 but is not as large as 2006. Ocean floor geysers warm flowing sea water An international team of earth scientists report movement of warmed sea water through the flat, Pacific Ocean floor off Costa Rica. The movement is greater than that off midocean volcanic ridges. The finding suggests possible marine life in a part of the ocean once considered barren. How corals adapt to day and night Researchers have uncovered a gene in corals that responds to day/night cycles, which provides some tantalizing clues into how symbiotic corals work together with their plankton partners. Signals from the Atlantic Salmon Highway For years scientists have struggled to understand the decline and slow recovery of Atlantic salmon, a once abundant and highly prized game and food fish native to New England rivers. Biologists agree that poor marine survival is affecting salmon in the U.S. and Canada, but specific causes are difficult to determine in the ocean. Small acoustic tags and associated technology may provide some answers. More Marine Life Current Events and Marine Life News Articles |
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