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Tag: "marine" at biology news

Not just the birds

...eter touching the sea receives more nutrients from marine ecosystems than a large island due to the differen...evious studies have focused on trophic cascades in marine ecosystems, showing that top predators can indirectly alter plant productivity, with varying effects...

The diversity of marine life in the Gulf of Maine region is much greater than previously thought

...runswick, announced today the first count of known marine species in the Gulf of Maine region -- more than 5...pe of life forms ranges from microscopic plants to marine mammals in waters from the lower intertidal to the deep sea. Researchers at the Huntsman, led by cur...

How marine reserves are giving coral reefs a helping hand

It may be no surprise that marine reserves protect the fish that live in them, but n...nce, Dr Peter Mumby and colleagues looked at how a marine park in the Bahamas was affected by the return of the reef's top predator, the Nassau Grouper. Resea...

Report finds cruise industry is protecting the precious places it visits

...ships to help scientists conduct research on vital marine and climate issues. The Government of Belize est...and Hawaii, offering a non-invasive way to explore marine ecosystems. "Although cruise tourism has the potential to overwhelm fragile destinations if not ma...

Carbon cycle was already disrupted millions of years ago

...om? Van Breugel investigated chemical fossils of marine algae and land plants from sediments deposited in the aforementioned periods. Plants and algae assimilate CO2 from the air and water. Consequently changes in the isotope ratio are recorded in organic material. These chemical fossils have been well pr...

Cuttlefish masters of disguise despite colorblindness

...tives of octopuses and squid, and are found in all marine habitats worldwide; they are particularly abundant around coral reefs and temperate rock reefs in which the visual habitat is richly varied. Cephalopods can change their appearance with a speed and diversity unparalleled in the animal kingdom. Some s...

Sea coral's trick helps scientists tag proteins

...-bioluminescent and sometimes even non-fluorescent marine organisms, Zimmer said. Meanwhile, Sergey Lukyanov and other researchers had discovered that certain wavelengths of light could cause striking spectral changes in some proteins, which could convert from dark to light or change colors. Later, the Ru...

UC San Diego partners with Venter Institute to build marine microbial genomics cyberinfrastructure

...infrastructure will be used by scientists studying marine life and ecosystems to examine--in an unprecedente...sion of data from the collection and sequencing of marine microbes requires a completely novel approach to storing, accessing, mining, analyzing, and drawing ...

Expedition discovers marine treasures

...largest atoll has some of the richest diversity of marine life ever found in the Caribbean, according to sci...ore the expedition. The unprecedented richness of marine life and vulnerable status of the atoll's coral beds make Saba Bank a prime candidate for designatio...

Warbling whales speak a language all their own

... With limited sight and sense of smell in water, marine mammals are more dependent on sound--which travels...ke human language, I wouldn't be surprised if some marine mammals have the ability to communicate in a complex way," said Suzuki. "Given that the underwater e...

Protecting endangered species helps reduce poverty

... means better protection of forest, freshwater and marine habitats. As a result, the rural poor who depend o...on the observation of species in the wild--such as marine turtles, pandas and mountain gorillas--generate significant amounts of money for communities. Applyi...

Hooked on fishing, and we're heading for the bottom, says scientist

...ata from around the world, the project maps global marine fisheries activity since 1950. This reveals local,...ags of convenience. And, he says, public policy on marine fish conservation issues is distorted by the fact that most governments view fishing companies, and ...

MIT: Oceans are a major gene swap-meet for plankton

...ocean context, this exchange mechanism would offer marine microbes a diverse palette of potential gene combinations, each of which might be best suited for a particular environment. This should allow the overall population to persist despite complex and unpredictable environmental changes. "We postulate th...

Red Tide causes sea turtle die-off in El Salvador

...und the world, causing significant impacts on wild marine animal populations, massive economic losses to shellfish producers, and occasionally human deaths. While the algal blooms are a natural occurrence, human wastes such as run-off containing fertilizers and sewage from urban areas have been postulated a...

Ocean virus identified in human blood samples

...ause multiple diseases and affect a broad range of marine and terrestrial animal species ?a single Vesivirus...s say that Vesivirus has natural reservoirs in the marine community where it can replicate and recycle, infecting and sometimes causing health problems in sea...

Marine mammals are on the frontline of failing ocean health

...links between land-based pollution and diseases in marine mammals, with implications for human health. "Mar...s are using them to trace the diets and travels of marine mammals. This work also sheds light onto potential human health effects of these contaminants. "M...

Scientists discover interplay between genes and viruses in tiny ocean plankton

...bacteria. In an ocean habitat, the exchange offers marine microbes a diverse palette of potential gene combinations, each of which might be best suited for a particular environment. "This would allow the overall population to persist despite complex and unpredictable environmental changes," said Chisholm. ...

Researchers create pigs that produce heart-healthy omega-3 fatty acids

...ll to their environment and prosper. It happens in marine sediments, mountain forests ?and, as a new study illustrates, in precancerous tumors, too. In a study published online today in Nature Genetics, Carlo Maley, Ph.D., a researcher at The Wistar Institute, and his colleagues report that precancerous tu...

Evolutionary biology research techniques predict cancer

...ll to their environment and prosper. It happens in marine sediments, mountain forests ?and, as a new study illustrates, in precancerous tumors, too. In a study published online today in Nature Genetics, Carlo Maley, Ph.D., a researcher at The Wistar Institute, and his colleagues report that precancerous tu...

Pacific Islands paradise protected

...ration today that it is creating the third largest marine protected area in the world, conserving an archipe...oenix Islands Protected Area (PIPA) is the largest marine protected area in the Pacific Islands at 184,700 square kilometers (73,800 square miles), twice the ...

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