Sentences with phrase «of ocean algae»

Exposing the samples from the blood bank to peptide sequences from certain gut and soil bacteria and a species of ocean algae resulted in an immune response to HIV (Immunology, doi.org/kgg).

This global biological recordbased on daily observations of ocean algae and land plants from NASAs Sea - viewing Wide Field - of - View Sensor (SeaWiFS) missionwill enable scientists to study the fate of atmospheric carbon, terrestrial plant productivity and the health of the oceans food web.

Not exact matches

Organic bivalve shellfish (mussels, clams, oysters) are fed by natural plankton and algae in tidal zones, so this industry is relatively easy in clean oceans, such as those near the south coast of Australia, where there are already certified operators for mussels and oysters.

That gorgeous ocean blue colour of the most Instagram worthy mermaid bowls you see is created by the blue - green algae spirulina — specifically E3Live's Blue Majik — which (by weight) has a whopping 22 times more iron than spinach, 6 times more antioxidants than blueberries, and 6 times more calcium than cow's milk.

You see, this French stew is filled with flavour from white wine, fennel, garlic and saffron, sweetness from the slow cooked tomatoes, carrots and parsnips, and it gets a mild taste of the ocean from a sheet of nori algae (the ones you use for rolling sushi).

But many species of these algae are highly sensitive to temperature, and are unable to survive as ocean waters warm.

Examining the distribution patterns of microfossils, Shen's Harvard colleagues have discovered that the marine eukaryotic algae of 1.5 billion years ago occupied only the ocean shallows and not the deeper basins, indicating a smaller oxygen concentration in the atmosphere than exists today.

Ecologists have watched in horror as unusually warm ocean temperatures have prompted corals to «bleach», or expel the symbiotic algae that provide much of their food.

The team have now found that a rise in ocean temperature of only 2 °C would cause some algae to stop producing DMS.

When these tiny marine algae die or are consumed by predators, their biomass sinks to the ocean interior where it becomes food for other types of bacteria.

In an unprecedented evolution experiment scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel and the Thünen Institute of Sea Fisheries have demonstrated for the first time, that the single most important calcifying algae of the world's oceans, Emiliania huxleyi, can adapt simultaneously to ocean acidification and rising water temperatOcean Research Kiel and the Thünen Institute of Sea Fisheries have demonstrated for the first time, that the single most important calcifying algae of the world's oceans, Emiliania huxleyi, can adapt simultaneously to ocean acidification and rising water temperatocean acidification and rising water temperatures.

Unicellular calcifying algae such as Emiliania huxleyi play an important role in the transport of carbon to the deep ocean.

«The results provide new oceanographic insights into the ecology and biogeochemistry of these important algae and particles, and they make satellites an even more powerful tool for describing the entire illuminated depths of the ocean.»

Using frozen samples of Nannochloropsis oculata, a type of single - celled ocean - dwelling algae, Dina Pasini (University of Kent) set out to test the conditions which early life would have had to survive if it did indeed travel through space.

The single most important calcifying algae of the world's oceans is able to simultaneously adapt to rising water temperatures and ocean acidification through evolution.

The ocean bottom is one of the world's most important yet enigmatic ecosystems, covered in a thick sludge rich with bacteria that consume and recycle dead algae and animal feces.

There have been hints that there's more biological productivity in the Arctic Ocean than once suspected (perhaps helped along by climate change): In 2012, scientists reported seeing massive blooms of algae proliferating under the sea ice.

Having completed her PhD at the University of Exeter, Dr Kennedy's latest research involves assessing the responses of coralline algae to ocean acidification and warming.

Out of the vast diversity of plankton in the oceans, the worst offenders are a few species of diatoms, dinoflagellates and cyanobacteria, collectively called harmful algae.

While a professor at the University of Kiel, Hensen led a detailed survey of Atlantic plankton — which include algae, bacteria, protozoans, crustaceans, mollusks, and coelenterates — that drift with ocean currents.

The algae provide food for the bacteria, and the bacteria provide protection from the many pathogens of the open ocean.

Of four common corals and algae tested, three still produced shells in conditions that mimic oceans if atmospheric CO2 concentrations reached 1,000 ppm.

Algae and other plant - based omega fatty acids also will not deplete the ocean's supply of fish.

More and more prominent climate and energy scientists have expressed support for studies into various geoengineering approaches, such as sequestering carbon in the ocean by growing large swaths of algae.

Some scientists have proposed seeding the ocean with iron to grow algae, which would capture carbon dioxide and thus help curb global warming — part of a suite of ideas known as geoengineering.

Kerry further outlined the impacts of pollution from farm runoff, which causes algae blooms and dead zones in the oceans, the massive buildup of plastic waste, and illegal fishing.

At various points in Earth's history, dust fell into the ocean and fed algae, which gobbled up carbon dioxide and sank to the bottom of the sea, taking greenhouse gas with them and cooling the world.

These algae then creep in, extending their tendrils over close to 60 % of the ocean bottom, Hay estimates, and turning waters a sludgy green.

«We have toxic algae events that result in shellfish closures off the Washington and Oregon coast every three to five years or so, but none of them have been as large as this one,» said lead author Ryan McCabe, a research scientist at the UW's Joint Institute for the Study of the Atmosphere and Ocean, a collaborative center with NOAA.

Sunlight that penetrates the ice is also critical for algae and plankton of the Arctic Ocean.

Over the oceans, some contain organic or biological ingredients (bacteria, degradation products of microscopic algae) which come from sea spray, others are transported in the air (mineral dust, smoke).

Among the most likely sites are algae, the ocean, and of course, cooling towers.

Nearly all of the thousands of different chemical substances produced by people, animals, plants, fungi, algae or microorganisms on the ground or in the oceans react quickly with OH and break down in this process.

The approach ranked as the study's least viable strategy, in part because less than a quarter of the algae could be expected to eventually sink to the bottom of the ocean, which would be the only way that carbon would be sequestered for a long period of time.

Thanks to the symbiotic relationship between corals and their solar - powered algae, «this miracle of construction creates the foundation for the greatest biodiversity in our oceans,» she said.

Concentrations of algae in our oceans and lakes have long bloomed naturally, but climate change and fertilizer runoff from farms have exacerbated the situation in recent years.

In his vision, billions of robots on the ocean floor tend tanks of compressed air that power turbines, the Southwest is known affectionately as algae country, and energy traders make their fortunes speculating on the price of chicken - manure gas.

Benjamini identified the tiny round shells of foraminifera and fragments of red coralline algae; these marine organisms suggested that the ocean, rather than a river or a flash flood, had been involved.

In a new study recently published in the journal Global Biogeochemical Cycles, scientists of Kiel University (CAU) with colleagues from GEOMAR Helmholtz Centre for Ocean Research Kiel and international partners from the USA, New Zealand, and Great Britain studied marine benthic shell - forming organisms around the world in relation to the chemical conditions they currently experience — with a surprising result: 24 percent, almost a quarter of the analyzed species, including sea urchins, sea stars, coralline algae or snails, already live in seawater unfavorable to the maintenance of their calcareous skeletons and shells (a condition referred to as CaCO3 - undersaturation).

The zones occur where fertilizer and sewage runoff, carried by rivers into the ocean, feeds the runaway growth of algae.

The scientists focused on the ocean's biological pump, which exports organic carbon from the euphotic zone — the well - lit, upper ocean — through sinking particulate matter, largely from zooplankton feces and aggregates of algae.

As the LRAUVs move through the ocean, they collect information about water temperature, chemistry, and chlorophyll (an indicator of microscopic algae) and send this data to scientists on shore or on a nearby ship.

Hard and soft corals are presently bleaching - losing their symbiotic algae — all over the coral reefs of the Florida Keys due to unusually warm ocean temperatures this summer.

Between the key nutrients nitrogen and phosphorus, nitrogen is primarily seen as the main limiting factor for the growth of algae in the ocean.

The reason for this is the limited growth of unicellular algae compared to other oceanic regions, which would otherwise color the ocean green.

The ocean floor is richly abundant in tiny fossils of the calcified algae species Emiliania huxleyi.

Warming oceans can cause stress in coral, leading them to expel the partner algae species they depend on for some of their food.

Even if the OMEGA bags leak, the salty ocean water would kill the algae, preventing the escape of an invasive species.

«Ocean acidification: The limits of adaptation: World's longest laboratory experiment with the single - celled calcifying alga Emiliania huxleyi reveals that evolutionary adaptation to acidification is restricted.»

In an unprecedented evolutionary experiment, scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel and the Thünen Institute of Fisheries Ecology demonstrated that the most important single - celled calcifying alga of world's oceans, Emiliania huxleyi, is only able to adapt to ocean acidification to a certain exOcean Research Kiel and the Thünen Institute of Fisheries Ecology demonstrated that the most important single - celled calcifying alga of world's oceans, Emiliania huxleyi, is only able to adapt to ocean acidification to a certain exocean acidification to a certain extent.