Tag: "volcano" at biology news

Departure to cold water corals and other 'hot spots'

...epth of 1250 meters. The investigation of this mud volcano will occur with the help of the remote-controlled ...he investigation at the cold water corals, the mud volcano and the "garden house" underwater observatory are all part of the European HERMES project. This proj...

Scientists: As rainfall changes, tropical plants may acclimate

...h at six sites on the slopes of Mount Haleakala, a volcano on the island of Maui. The sites were ideal because they share the same species, elevations and soils but have vastly different rainfall. The wettest rainforest sites receive an astonishing 196 inches of rain annually, while the driest sites in this ...

Volcanic plumbing dictates development of deep-sea hydrothermal vents

...e volcanic-plumbing system better explains why one volcano hosts hot smokers, while another does not, Toomey said. We've had the data since 1997 and the germ of our results for the last six years, said Toomey, whose funding came through the Ridge 2000 initiative of the National Science Foundation. We've re...

500,000 years of climate history stored year by year

...e composition of the ash even reveals which nearby volcano it originates from. Chubby-cheeked pollen Even earthquakes in this area of high geological activity are painstakingly stored in these archives. What is the most interesting aspect for Thomas Litt, however, is the biological filling contained i...

AGU Journal highlights -- February 23, 2007

1. Ground rising again at volcano near Naples, Italy Ground deformation data indi...n Italy's Mt. Vesuvius Mt. Vesuvius, an Italian volcano with a history of explosive eruptions, poses a serious threat to the nearly one million people who l...

Icelandic volcano caused historic famine in Egypt, says Rutgers-based team

...on the world stage in the late 18th century when a volcano killed 9,000 Icelanders and brought a famine to Eg...featured online by NASA. In June 1783, the Laki volcano began a series of eruptions, regarded as the largest at high-latitude in the last 1,000 years. The e...

Life in the extreme

...volcanoes were discovered in 1999. The deepest mud volcano in this area is located at 3890m. Luis Pinheiro from the University of Aveiro in Portugal participated in the 1999 cruise when mud volcanoes were first discovered. Pinheiro and his team have been investigating this area in close collaboration with...

Methane devourer discovered in the Arctic

...methane are emitted from the Arctic deep-water mud volcano Haakon Mosby. When it reaches the atmosphere, meth...h a surprising result: High flow velocities of mud volcano water in the seafloor reduce the efficiency of the natural gas filter by 60%. In 1990, the Haakon...

At an underwater volcano, evidence of man's environmental impact

... deposits retrieved from the site of an underwater volcano near Italy, they discovered lead that did not come...vity in a relatively shallow site -- an underwater volcano called the Marsili Seamount in the Mediterranean, less than 200 miles off the west coast of Italy. T...

Ocean microbe census discovers diverse world of rare bacteria

...luded a hydrothermal vent on an underwater Pacific volcano 480 km (300 miles) off the coast of Oregon, as well as several North Atlantic sites between Greenland and Ireland. The most unusual sequence tags come from organisms present in low abundance, and these bacteria make up the 'rare biosphere'. "The de...

Study outlines eruption at undersea volcano

... first observations of the eruption of a submarine volcano that in 2004 and 2005 spewed out plumes of sulfur-...dge. The eruptive activity they just observed at a volcano dubbed Northwest Rota-1 was explosive, but provided some of the closest observations ever of a volca...

New study pinpoints epicenters of Earth's imminent extinctions

...guingly-named are: the Bloody Bay poison frog, the volcano rabbit, the Ruo River screeching frog, the Bramble Cay mosaic-tailed rat, the marvelous spatuletail (a hummingbird), and the Sulu bleeding-heart (a dove). While extinction is a natural process, the authors note that current human-caused rates of spe...

Eruption update: Island in British Overseas Territory is growing in size

...llite images show that Montagu Island, an erupting volcano in the South Sandwich Islands, South Atlantic has ...r is priceless'. Dr Smellie plans to fly over the volcano in the New Year to get more close-up views for his research. 'It will be the highlight of my career...

Researchers discover underwater volcano

...ia, San Diego, has discovered an active underwater volcano near the Samoan Island chain. During a research cr... Samoan hot spot, scientists uncovered a submarine volcano growing in the summit crater of another larger underwater volcano, Vailulu'u. Researchers explored t...

Photos reveal new primate species

...iety (WCS) on the flanks of the 10,000 ft (2961 m) volcano Mt. Rungwe and in the adjoining Kitulo National Park. "This discovery proves that there is still so much to learn about the more remote and less well-known areas of Tanzania, and Africa as a whole. Having been so involved in the creation of the Park...

Biodiversity hotspots identify conservation priorities

... charismatic flagship species in the region is the volcano rabbit or zacatuche (Romerolagus diazi), one of the world's smallest rabbits, which is found only in the mountains surrounding Mexico City. The hotspot is also home to up to 200 species of butterfly, of which 45 are endemic, and plays host to one of ...

Pinatubo's rivers show the danger isn't over when volcanic eruption ends

...fter an eruption, depending on how much debris the volcano deposits and how much rain falls, until the sediment has either been cleaned off the mountain or has stabilized so that it doesn't erode easily. Mount Pinatubo, northwest of Manila on the Philippine island of Luzon, erupted with devastating force in...

What have scientists learned since Mount St. Helens erupted?

...xt century," Crisafulli explains. "Since 1980, the volcano has made a great template to study disturbance. More than 100 physical and life scientists have studied the 1980 eruption and subsequent ecological responses. And these studies continue to expand our knowledge and long-term database." Crisafulli and...

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