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Tag: "waters" at biology news

US conservation efforts bring more marine turtles to UK

...gerhead and Kemp’s ridley turtles in UK and French waters in the last twenty years. The research team believ...ity of marine turtles that visit Northern European waters hatch in the Americas and can spend nearly four years travelling thousands of miles to British water...

Fish growth changes enhanced by climate change

...o their environmental conditions ?faster growth in waters above a depth of 250 metres and slower rates of growth below 1,000 metres,?says lead author, Dr Ron Thresher. “These observations suggest that global climate change has enhanced some elements of productivity of shallow-water stocks but at the same...

New findings blow a decade of assumptions out of the water

...hat denitrification occurs in the deep, low-oxygen waters of the Pacific and Indian oceans. If the Atlantic was the site of a lot of nitrogen fixation, that would have put the two processes half a world away from each other. Scientists had estimated that, at those distances, it could take 1,000 years to ...

Darwin's famous finches and Venter's marine microbes

...ent studies analyze samples collected from surface waters during the first phase (or first third) of the voyage, which led the Sorcerer II from Newfoundland through the Panama Canal and Galapagos Island on to French Polynesia. Venter’s crew siphoned seawater through a series of increasingly fine filters to ...

Saving endangered whales at no cost

...obster fishing operations in American and Canadian waters of the Gulf of Maine, researchers have identified ways in which cost-saving alterations in fishing strategies can substantially reduce fishing-gear entanglements of the critically endangered North Atlantic right whale. The findings appear in the Janu...

New species of snapper discovered in Brazil

...ates but previously believed to occur in Brazilian waters until the discovery of Lutjanus alexandrei. The new species also has been mistaken for Lutjanus jocu, known as the dog snapper, a popular commercial fish in Brazil. According to Moura and Lindeman, the discovery shows the need for more comprehensi...

NASA predicts nongreen plants on other planets

...le, there is a type of bacteria that inhabit murky waters where there is little visible light, and so they use infrared radiation during photosynthesis. Scientists have long known that the chlorophyll in most plants on Earth absorbs blue and red light and less green light. Therefore, chlorophyll appears...

Massive coral death attributed to earthquake

...verse assemblages of branching corals in sheltered waters to vast areas of table corals inhabiting surf zones. The team also documented, for the first time in Indonesia, extensive damage to reefs caused by the crown-of-thorn starfish, a coral predator that has devastated reefs in Australia and other parts o...

Tracking sperm whales and jumbo squid

...uid spent at least half of their time in shallower waters above 600 feet and the remainder at 600 to 1,300 f...ard the surface at night and then return to deeper waters during the day. Unlike squid, however, the sperm whales did not alter their diving pattern at nig...

Corals that can fight global warming may one day help fragile reefs

.... However, the precise connection between warmer waters and coral disease is unclear. "It is difficult to ...ce and algae in the interior. Moreover, the warmer waters cause increased virulence of some pathogens as well as a diminished ability of corals to fight them....

Cornell lab confirms deadly fish virus spreading to new species

...e new fish kills have occurred in 2007 in New York waters since the virus was identified in the Great Lakes Basin in 2005. In the St. Lawrence River, hundreds of thousands of round gobies have succumbed to the disease; gizzard shad die-offs from VHSV in Lake Ontario west of Rochester and in Dunkirk Harbor o...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

...y restrictions on deep sea mining in international waters through the United Nations Convention on the Law o... demands that profits from mining in international waters be shared with developing nations—redirected prospecting and exploration of the seafloor into areas ...

Scientists discover new life in the Antarctic deep sea

...d to animals living in both the adjacent shallower waters and in other parts of the deep ocean. A key question for scientists is whether shallow water species colonised the deep ocean or vice versa. The research findings suggest the glacial cycle of advance and retreat of ice led to an intermingling of...

'Short-circuit' found in ocean circulation

... This process in the Southern Ocean allows cold waters that sink to the abyss to return to the surface mo...by the sea ?transport between the deep and surface waters in the Southern Ocean is particularly important for this process. Understanding oceanic circulat...

Legal ruling may put endangered species in danger

...ge. We object to the Solicitor's ruling because it waters down the Act." Vucetich, Nelson, and the other experts who signed the letter are urging Secretary Kempthorne to "consult with the nation's leading environmental scholars before defining terms such as endangered species." ...

Antarctic icebergs -- Hotspots of ocean life

...xplore the submerged sides of the icebergs and the waters between the bergs and where the ship was, standing off at a safe distance,” said Bruce Robison of MBARI, an oceanographer and ROV pilot. “We flew the ROV into underwater caves and to the undersides of the icebergs, identifying and counting animals wi...

Salty oceans provide early warning for climate change

...on (ESF) conference, scientists predicted that the waters of the southern hemisphere oceans around South Afr...te deep water circulation, while a diluting of the waters is linked to sluggish flow. “Salt plays a far more important role that we first thought,” says Profe...

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