Sentences with phrase «on ice algae»

These include Arctic cod and capelin, while krill and Calanus finmarchicus are replaced by Arctic amphipoda (another group of crustacean zooplankton), which live on ice algae which are also absent from Atlantic water.

«When the sea ice melts, juvenile polar cod may go hungry: Biologists confirm how heavily the fish depend on ice algae.»

During their journey, the young polar cod feed on amphipod crustaceans, which in turn feed on ice algae.

Not exact matches

The fossil record showed that before the ice emerged, some dinoflagellates produced their own energy via photosynthesis; others fed on photosynthesising algae.

The snow algae specialist comments on the study: «For the first time ever, researchers have investigated the large - scale effect of microorganisms on the melting of snow and ice the Arctic.»

Only in the past few years have scientists begun to realize that some of the dark particles on the ice sheet are in fact these ice algae and not soot, Benning says.

Perhaps, says Hayward, bryozoan larvae feed on algae that grow on the underside of sea ice; then they might accidentally surface when the ice breaks up in summer, before sinking to the bottom for good.

«When we find the fatty acids from the ice algae in the meat or tissues of a fish, it tells us the fish or its prey must have fed on the algae,» says Kohlbach.

Williamson is part of a five - year project investigating the impact of ice algae, which is different than snow algae, and bacteria on the Greenland ice sheet (SN: 5/20/00, p. 328).

Since the biomarker groups they investigated are based on algae — i.e., on plants that require light for photosynthesis — the absence of both groups is an important indicator of a very thick and largely contiguous ice cover.

Coralline algae show how Arctic sea ice has responded to climate swings on an annual scale for the past 650 years

That's because the chinstraps» main food, shrimplike creatures called krill, depend on algae that attaches to that ice.

There's no question that algae blooms are on the increase as Arctic ice thins.

Recent research shows that there is high microbial activity on glacial surfaces (Anesio et al., 2009), some associated with pigmented algae, which absorb significantly more light than local inorganic dust particles on the Greenland Ice Sheet (GrIS)(Lutz et al., 2014).

My research has a particular focus on primary producers in the Arctic marine ice - covered ecosystem, which include sea ice algae, ice melt water (brackish) flora and phytoplankton.

Especially when they are young, krill feed on algae that live on the underside of sea ice.

The basic problem is the 35 % overload of GHGs, mostly carbon dioxide, already on the globe already melting ice packs, altering corals to lose their carbon dioxide trapping algae and causing worsening weather among other things.

Polar bears, walruses, seals and sub-ice algae and cod don't depend on sea - ice volume.

Re # 49 & # 82 The limitations on the growth of algae in the arctic varies with the season, the effect of sea - ice melting is not as certain as Harold would have us believe: http://www.agu.org/pubs/crossref/2005/2005JC002922.shtml http://www.nurp.noaa.gov/Spotlight/ArcticIce.htm

The krill feed on an algae called phytoplankton that grows on the underside of sea ice.

(Some people have suggested replacing lost sea ice with artificial floes, but this would be unlikely to work because algae — the basis of the entire food chain that ultimately provides seals for the bears — grows only on real ice.)

These authors postulated an extended Barents Sea Ice Sheet, the western part of the huge Eurasian Ice Sheet51, 55, that had reached the shelf edge causing polynya - like open - water conditions (triggered by strong katabatic winds) with phytoplankton and sea ice algae production, subglacial meltwater outflow and the deposition of suspended material on the slope at site PS2138 -Ice Sheet, the western part of the huge Eurasian Ice Sheet51, 55, that had reached the shelf edge causing polynya - like open - water conditions (triggered by strong katabatic winds) with phytoplankton and sea ice algae production, subglacial meltwater outflow and the deposition of suspended material on the slope at site PS2138 -Ice Sheet51, 55, that had reached the shelf edge causing polynya - like open - water conditions (triggered by strong katabatic winds) with phytoplankton and sea ice algae production, subglacial meltwater outflow and the deposition of suspended material on the slope at site PS2138 -ice algae production, subglacial meltwater outflow and the deposition of suspended material on the slope at site PS2138 - 2.

A warming climate could also increase algal growth in the future, potentially boosting algae's influence on ice sheet melting, he said.

Algae grow on other ice surfaces in areas such as the Himalayas, where they reside on water - producing glaciers.

New research shows algae growing on the Greenland ice sheet significantly reduce the ice sheet's surface reflectivity and contribute more to its melting than dust or black carbon.

Sea ice is also crucial to Arctic ecosystems, supporting nutritious algae that other organisms feed on, he said.

One important factor in their survival is the existence of sea ice, which they use for shelter and feeding on algae.

Unseasonably warm summers appear to be abetted by microbes and algae that grow on the increasingly wet surface of the ice sheet, producing pigments that boost the ice's absorption of solar energy.

In 2010, microbiologist Marian Yallop of Bristol found more life on the ice margins: a thriving community of algae that extends beyond the cones.