The Brother Islands are a solitary outpost, rising like twin towers from the abyssal depths. |
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They are found in all seas, at all latitudes, and from the intertidal to the abyssal zone. |
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These fish live in the abyssal plains, flat expanses of the ocean floor at depths of 10,000 to 20,000 feet. |
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This problem with the sediment trap technique is probably restricted to the continental slope and shelf and will not occur over abyssal depths. |
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The width of the mountain is 4-6 times greater than that of most abyssal hills. |
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Bottom-living marine-invertebrate species are not scattered randomly across the sea floor from the high-tide line to abyssal depths. |
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With the deepest seas in Indonesia and islands jutting up from abyssal depths, this is truly spectacular diving second to none. |
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The solution is entombment in the deep sediments of abyssal plains in the oceans that now cover 71 percent of the planet. |
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I remember hearing that it had no actual bottom, but was just a dark abyssal crack in the planet. |
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The islands are perched at the ragged edge of the continental shelf, right before it plunges more than 2 miles down to the abyssal plain. |
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The incoming sediments beneath the 3 km deep Oman abyssal plain consist of 3 km of Makran sands that are derived from the north. |
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Geologists know it as an area of mysterious abyssal hot spots where sediments may hold millions of dollars worth of precious metals. |
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Oarfish can reach lengths of 60 feet, and live in the abyssal plain, about 6000 feet below the ocean's surface. |
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The near-constant depth of the abyssal sea floor indicates that the lithosphere thickens to roughly 100 km in 70 million years, but then ceases to grow. |
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The abyssal grenadier has a liver that can store enough food to keep it going for 186 days if needs be. |
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Talisei, Bangka and Lembeh are all on the continental shelf, but the marine park's five islands jut from abyssal depths, and the diving is appropriately dramatic. |
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Zone 2 includes the canyon walls, the head of the canyon, and the deep water area of the abyssal plain. |
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The sides of abyssal hills are fault escarpments created by vertical uplift of the sea floor during many events of fault slippage that produce frequent earthquakes. |
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More distal carpets of wacke sand can extend for thousands of square kilometres across oceanic abyssal plains. |
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He often combined his talents, whether it were to soothe the weary souls at the local pub or fell an ice dragon in the depths of the abyssal caverns. |
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This obviously attracted a better class of nautilus, and a bumper crop was viewed by the team the next day in a wonderful dive hanging over an abyssal drop-off. |
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They are found from intertidal to abyssal zones at least as deep as 5,300 m interstitially in usually the upper few millimeters or centimeters of the sediment layer. |
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In regions of abyssal hills, the shape of the nodules is principally hummocky. |
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Nazaré constitutes one of the final stages for terrestrial sediment transported towards the abyssal plains at the foot of the continental slope. |
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Under the seemingly flat ocean are deep-sea volcanoes, ridges, abyssal trenches and other features which in many cases dwarf their equivalents on land. |
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Deep sea animals will heave themselves up from the abyssal depths, even though it's fatal to them, if they hear a rumor that you will be passing overhead in a boat. |
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Polymetallic nodules form flat horizontal fields at depths from 4,000 and 6,000 m, such as in the Pacific central abyssal basin. |
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Because it is normally found at abyssal depths in the Arctic, diving with a Greenland shark is exceptionally rare. |
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The present report summarizes the results of a joint project of the International Seabed Authority with the J. M. Kaplan Fund to study biodiversity, species range and gene flow in the abyssal Pacific nodule province. |
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The bathymetry of the ocean bottom is marked by fault block ridges, abyssal plains, ocean deeps, and basins. |
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Below the slope is the continental rise, which finally merges into the deep ocean floor, the abyssal plain. |
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On average, sea level is higher over mountains and ridges than over abyssal plains and trenches. |
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Typically they consist of a continental shelf, continental slope, continental rise, and abyssal plain. |
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Owing in part to their vast size, abyssal plains are believed to be major reservoirs of biodiversity. |
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A rare but important terrain feature found in the abyssal and hadal zones is the hydrothermal vent. |
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Another unusual feature found in the abyssal and hadal zones is the cold seep, sometimes called a cold vent. |
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CeDAMar scientists have demonstrated that some abyssal and hadal species have a cosmopolitan distribution. |
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Many apparently unique taxa of nematode worms have also been recently discovered on abyssal plains. |
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The taxonomic composition of the nematode fauna in the abyssal Pacific is similar, but not identical to, that of the North Atlantic. |
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Probably the most important ecological characteristic of abyssal ecosystems is energy limitation. |
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In addition to their high biodiversity, abyssal plains are of great current and future commercial and strategic interest. |
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Sediments of certain abyssal plains contain abundant mineral resources, notably polymetallic nodules. |
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Some may extend seawards across continental shelves for hundreds of kilometres before reaching the abyssal plain. |
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It then flows very slowly into the deep abyssal plains of the Atlantic, always in a southerly direction. |
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Turbidites are deposited at the downstream mouths or ends of canyons, building an abyssal fan. |
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Research shows that polymetallic nodule fields are hotspots of abundance and diversity for a highly vulnerable abyssal fauna. |
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They are not generally found at abyssopelagic or hadopelagic depths or on the abyssal plain. |
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Hence, there are no mountain tops one can scale to directly gaze at vast expanses of the abyssal seafloor. |
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Aristotle was surprised that the Mediterranean was deep but hardly imagined it sank to abyssal depths of four thousand meters. |
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It is widely but patchily distributed in the Atlantic, Pacific and Indian Oceans, living on or near the sea bottom over continental slopes and upper and middle abyssal plain rises. |
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It rises approximately 2,000m from the surrounding abyssal plain, reaching a water depth of 690m at the top of the feature. |
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If you bring a stuffed or unstuffed trophy of a crawling hand, cockatrice, basilisk, kurask or abyssal demon, Nomad will then supply you with a pet of that type. |
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Much of the plateau is in water shallower than 2,000 meters, but it is surrounded on three sides by abyssal plains more than 4,500 meters deep. |
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Nutrient-rich currents from the cold southern seas of the Antarctic swirl around volcanic seamounts that rise from vast deep abyssal plains. |
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The vast muddy expanses of the abyssal plains occupy about 60 percent of the Earth's surface and are important in global carbon cycling. |
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The flat abyssal plains of soft silt haven't managed to avoid cable troubles either. |
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Important locations included the southeastern Bering Sea slope and shelf, the eastern Aleutian Islands, and the Gulf of Alaska slope and abyssal plain. |
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It lies in the hadal zone beyond the abyssal zone, and plunges down to a water depth of around 11 kilometers. |
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Unlike the abyssal plains, where life is rare, numerous organisms colonise the continental slope, feeding mainly off the organic matter contained in the sediments covering it. |
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The Gully ecosystem transcends shallow sandy banks, a deep-water canyon environment, and portions of the continental slope and abyssal plain, providing habitat for a wide diversity of species. |
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More than 65 kilometres long, 15 kilometres wide and two kilometres deep, the Gully's ecosystem includes shallow sandy banks, the deep-water canyon environment, and portions of the continental slope and abyssal plain. |
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Over the decade, census scientists have explored every ocean realm from near-shore waters to the abyssal plains which cover a greater area of the Earth than all its land. |
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Just to the west of the mid-ocean ridge that separates South America's tectonic plate from Africa's, it is the top of a volcano which rises steeply from abyssal plains more than four kilometres below the surface of the ocean. |
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Given that much of the abyssal deep remains unexplored, there are probably many areas which may meet this criterion but cannot be identified with existing knowledge. |
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Together, these groups constitute more than 50 per cent of faunal abundance and species richness in abyssal sediments, and represent a broad range of ecological and life-history types. |
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As a result, the Kaplan project was initiated at the workshop in 2002. The aim of the project was to assess levels of biodiversity, species range and gene flow in abyssal nodule provinces. |
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This cosmopolitan holothurian is characteristic of the abyssal region, having been recorded at depths between 1 800 m and 6 000 m in all explored parts of ocean depths. |
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They can be found in shallow subtidal areas, on the continental shelf, seamounts, to mid-ocean ridges and down to the abyssal plains of the deep ocean. |
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Because of the low densities of the suprabenthic megafauna on the abyssal sea floor, only a small number of species have been described taxonomically. |
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The distinct character of both hydrothermal vents and seamounts results in a level of species endemism that is higher than that found on the abyssal plain. |
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The shallowest instruments will be placed on a rocky pinnacle just 17 metres below the surface, while the deepest node will sit on the abyssal plain, 2.7 kilometres down. |
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International research projects such as the Census of Marine Life are casting new light on the tiniest microbes and largest predators, from individual seamounts to the vast abyssal plains. |
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In the polymetallic nodule areas of the central Eastern Pacific, two species of cosmopolitan distributed mobile epifauna holothurians dominate the abyssal ecosystem. |
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The deep ocean floor is thought to be fairly flat with occasional deeps, abyssal plains, trenches, seamounts, basins, plateaus, canyons, and some guyots. |
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Some species have colonized abyssal depths near hydrothermal vents. |
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This community lives in or near marine sedimentary environments, from tidal pools along the foreshore, out to the continental shelf, and then down to the abyssal depths. |
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Many genera are totally indentured to the abyssal zone, such as many cidaroids, most of the genera in the Echinothuriidae family, or the strange genus Dermechinus. |
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Dermechinus horridus, an abyssal species, at thousands of meters deep. |
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The continental margin, between the continental shelf and the abyssal plain, comprises a steep continental slope followed by the flatter continental rise. |
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Continental shelves teem with life, because of the sunlight available in shallow waters, in contrast to the biotic desert of the oceans' abyssal plain. |
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The eastern segment of the fault is complex and characterised by a series of seamounts and ridges separating the Tores and Horseshoe abyssal plains. |
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The structure of abyssal ecosystems are strongly influenced by the rate of flux of food to the seafloor and the composition of the material that settles. |
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These faults pervading the oceanic crust, along with their bounding abyssal hills, are the most common tectonic and topographic features on the surface of the Earth. |
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However, no abyssal monoplacophorans have yet been found in the Western Pacific and only one abyssal species has been identified in the Indian Ocean. |
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Within the abyssal and hadal zones, the areas around submarine hydrothermal vents and cold seeps have by far the greatest biomass and biodiversity per unit area. |
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There are at least 12,914 marine species in South Africa, but small bodied species are poorly documented and the abyssal zone is almost completely unexplored. |
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Combined with the sunlight available in shallow waters, the continental shelves teem with life compared to the biotic desert of the oceans' abyssal plain. |
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Intrusive rocks formed at greater depths are called plutonic or abyssal. |
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Another possibility is to look for evidence of spontaneous fission activity in meteoric material and also in hot brines taken from abyssal fractures of the earth's crust. |
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Rare, very large turbidity currents periodically deposit thick sequences of sediment on oceanic abyssal plains, but their return periods span many thousands of years. |
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This feral existence is compounded by the fact our office sits in a part of Belfast that would rival the ocean's abyssal plain for signs of life and home comforts. |
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Located on the opposite side of an expansive abyssal plain from Wally's lair, the ridge hosts a hydrothermal hotbed of volcanic vents called black smokers. |
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Fewer than 10 percent of records of marine life come from abyssal plains between 4,000 and 6,000 meters deep, yet that zone accounts for half the oceans' area. |
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To oceanic type is represented by those parts of the earth crust, which correspond to deep water abyssal plains in planetary relief, mid-ocean ridges and deep water hollows. |
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The work suggests that long stretches of thick oceanic crust called abyssal hills, among the most common landforms on the planet, are the result of worldwide climate changes. |
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