Sentences with phrase «sea hydrothermal vent»

Based on biological observations we also present a re-analysis of the global biogeography of the deep - sea hydrothermal vent fauna, including that of the Antarctic hydrothermal vents.
Citation: Rogers AD, Tyler PA, Connelly DP, Copley JT, James R, Larter RD, et al. (2012) The Discovery of New Deep - Sea Hydrothermal Vent Communities in the Southern Ocean and Implications for Biogeography.
Deep sea hydrothermal vent environments are also speculated to exist on Jupiter's moon, Europa.
Specific enrichment of hyperthermophilic electroactive Archaea from deep - sea hydrothermal vent on electrically conductive support — Guillaume Pillot — Bioresource Technology
In 1977, scientists and the world were shocked to discover the first deep - sea hydrothermal vent community at the Galapagos Rift in the eastern Pacific (see a great story on this at NPR here).
Given developing efforts to mine deep - sea hydrothermal vent fields for precious metals, the scientists involved in this research suggest that conservationists and management agencies need to consider a broader range of factors in their efforts to predict the environmental impacts and the resiliency of affected communities.
We started finding the same organisms that people were reporting from deep - sea hydrothermal vents [where hot, mineral - laden fluid flows through volcanic rock into the ocean from deep within the Earth].
She describes her project as studying hyperthermophilic archaea, the living occupants of deep - sea hydrothermal vents that survive in extreme heat, pressure, and chemical toxicity.
Deep - sea hydrothermal vents in the Pescadero Basin emit scalding liquids that form light - colored carbonate spires.
They are related to organisms found in deep - sea hydrothermal vents.
Either that it began in deep sea hydrothermal vents, or alternatively that it began on land in a version of Charles Darwin's «warm little pond.»
Deep - sea hydrothermal vents give rise to some of the most bizarre forms of life on the planet, such as blind albino crabs.
Starting in the 1980s, many scientists argued that life got its start in the scalding, mineral - rich waters streaming out of deep - sea hydrothermal vents.
«Deep - sea hydrothermal vents have carbon - removing properties.»
A study described here today at the American Geophysical Union's biennial Ocean Sciences Meeting shows that RNA's chemical building blocks fall apart within days to years at temperatures near boiling — a finding that poses problems for some origin of life theories, especially ones picturing that life arose in scalding settings such as deep - sea hydrothermal vents.
It makes its home in the walls of deep - sea hydrothermal vents.
The sub brought up a rib from the mammoth carcass, and the researchers soon discovered the fiery plumes to be the gills of two entirely new species, related to worms, that live near deep - sea hydrothermal vents.
A new study published April 29 in Science suggests that eddies may have a deeper reach than previously thought, helping to shape some of the most remote ecosystems on Earth — deep - sea hydrothermal vents.
The results launched a hunt for life's origins that's now uncovering these building blocks in surprising places, like the surface of comets and in deep - sea hydrothermal vents.
Water locked away in rocks for 1.5 billion years reveals conditions were right for complex organic molecules to form in deep sea hydrothermal vents
Brightly colored 7 - foot tube worms thrive near deep - sea hydrothermal vents and derive their energy from chemosynthetic bacteria.
Grassle's work ultimately revealed that a diverse community of organisms thrives along deep - sea hydrothermal vents, feasting on organic matter produced by sulfur - oxidizing bacteria instead of photosynthesis.
A mysterious glow from deep - sea hydrothermal vents may provide the light source for a newly - discovered bacterium.
The remarkable density of life at deep - sea hydrothermal vents is explained by the mutually beneficial symbiosis of invertebrate animals and sulfide - oxidizing bacteria that colonize their cells
Shannon Johnson uses robots to explore deep - sea hydrothermal vents, where science - fiction - worthy animals live in hot, acidic water and munch on bacteria that can survive in space.
One of the most prevalent theories as to how life evolved on Earth is through chemical reactions at deep sea hydrothermal vents.
There are also microbes that are known to live in incredibly harsh environments on Earth such as in deep - sea hydrothermal vents, acidic lakes and the hot springs of Yellowstone.
The quantitative population ecology of zooplankton with emphasis on zooplankton small - scale distribution and abundance, organic matter transport into the deep - sea, the biology of Gulf Stream Rings, zooplankton associated with deep - sea hydrothermal vents, dynamics of populations on Georges Bank and on the continental shelf region of the Western Antarctic Peninsula, acoustical determination of zooplankton biomass, abundance, and size, and the census of holozooplankton biodiversity in the worlds oceans.
This snail inhabits deep - sea hydrothermal vents.
David traveled to the west coast to study the recently discovered deep - sea hydrothermal vents and received his PhD in marine biology from Scripps Institution of Oceanography, University of California, San Diego.
Scientists are in the early stages of building a fiber optic network on the seafloor for observing, in real time, deep - sea hydrothermal vents — places where super-heated water and minerals spew from Earth's crust offering clues about how life on the planet may have began.
Exploration of deep - sea hydrothermal vents in other sectors of the Southern Ocean, such as the Pacific - Antarctic Ridge [16], are likely to reveal further chemosynthetic communities.
In each segment we located deep - sea hydrothermal vents hosting high - temperature black smokers up to 382.8 °C and diffuse venting.
However, multivariate analyses of species present at the ESR and at other deep - sea hydrothermal vents globally indicate that vent biogeography is more complex than previously recognised.
In a recent expedition near Antartica, researchers from Oxford discovered dozens of remarkable new species thriving in one of the most extreme environments on the planet, alongside deep - sea hydrothermal vents where temperatures can reach over 750F.

Not exact matches

The depths of the frigid continent hold hydrothermal vents which house a variety of pale creatures — including predatory sea stars with seven arms...
Following Wednesday's news that there seem to be hydrothermal vents churning away in the warm, alkaline seas inside Saturn's moon Enceladus, researchers announced airtight evidence yesterday that Jupiter's moon Ganymede also has a -LSB-...]
We found that the particles seen in our images, which were droplets of ocean only hours earlier, bore evidence of large organic molecules and compounds that indicated hydrothermal activity similar to that observed at deep - sea vents on Earth's seafloor.
The impact aftermath killed most life on Earth, but the crater itself (bottom)-- shown with a central peak — remained hot long after the blast, perhaps creating a hydrothermal system similar to deep - sea vents.
More than 540 international expeditions sailed to coral reefs, hydrothermal vents, seamounts, and open ocean waters to assemble a comprehensive picture of the diversity, habitats, and abundance of animals and microbes living in the sea.
Map of current land and ice separating the Weddell and Ross seas, courtesy of Wikimedia Commons / Wutsje / CIA Octopuses have made themselves at home in most of the world's oceans — from the warmest of tropical seas to the deep, dark reaches around hydrothermal vents.
Geysers and deep - sea vents are hydrothermal phenomena in which water, heated and pressurized by molten rock, is released through vents at the land surface or into the oceans.
To study the movement of vent products, the researchers set up sediment traps and current meters near the hydrothermal vents along the East Pacific Rise, an ocean ridge located about 800 kilometers off the southern coast of Mexico and a mile and a half below sea level.
Ever since their discovery in the late 1970s, the creatures that dwell in the hot, sulfurous hydrothermal vents of the deep sea floor have captivated marine biologists.
Deep - sea organisms including mussels thrive in the extreme environments of hydrothermal vents and cold seeps which are characterised by high hydrostatic pressure, lack of photosynthesis - derived food, variable temperatures and high concentrations of toxic substances.
New fossil evidence suggests the first spark of life may have occurred in a hot spring on land rather than a hydrothermal vent in the deep sea.
Other manned submersibles can not dive deeper than about seven kilometers, says Lutz, who has made more than 85 underwater voyages on board the mini sub Alvin and was part of the first deep - sea exploration of hydrothermal vents in 1979, when he was a postdoc at Yale University.
In 2009, scientists from Woods Hole Oceanographic Institution embarked on a NASA - funded mission to the Mid-Cayman Rise in the Caribbean, in search of a type of deep - sea hot - spring or hydrothermal vent that they believed held clues to the search for life on other planets.
The findings support the idea that the last universal common ancestor (LUCA) lurked in hydrothermal vents where hot water rich in hydrogen, carbon dioxide and minerals emerged from the sea floor.
In the deep gold mines of South Africa, and under the sea, at hydrothermal vents where breaks in the fissure of Earth's surface that release geothermally heated waters — hydrogen - rich fluids host complex microbial communities that are nurtured by the chemicals dissolved in the fluids.
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