Sentences with phrase «of plankton for»

In turn, killer whales that feed on seals consume the equivalent of five tons of plankton for each pound of their body weight.12 This phenomenon would explain why Weston Price found seal oil, which he estimated to constitute 200 calories per day of the Inuit diet, to be several times higher in the fat - soluble vitamins than ordinary cod liver oil.30

But the instrumental value of plankton for the whole system of life in the ocean is enormous.

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.

Dr. Sergey Piontkovski, a marine biologist from Ukraine, was accused of revealing state secrets for publishing his unclassified research on plankton and illegal currency transactions for accepting grants from foreign funding organizations in October 1999.

Teams of marine scientists are towing nets to scoop up plankton, tagging large predators to track their migrations, sequencing the DNA in seawater to hunt for microbes, and trawling the seafloor for bottom dwellers.

Plankton plays an important role in the ocean's carbon cycle by removing half of all CO2 from the atmosphere during photosynthesis and storing it deep under the sea — isolated from the atmosphere for centuries.

It pumps 20 liters (about 5.3 gallons) of seawater and plankton per second through a «light tight» collection chamber large enough to capture even fast swimmers and keep them inside long enough for the device's fiber - optic instruments to record and measure, in photons per liter, the size, duration, and number of an organism's flashes.

The species, native to the Caspian and Black Sea basins, was well known on that side of the Atlantic for its ability to fuse to any hard surface, growing in wickedly sharp clusters that can bloody boaters» hands and swimmers» feet, plug pipes, foul boat bottoms and suck the plankton — the life — out of the waters they invade.

But dictating the species composition of a plankton bloom and its aftermath remains beyond the ken of marine biology, causing one researcher involved in the successful 2004 effort, marine biologist Victor Smetacek of the Alfred Wegener Institute for Polar and Marine Research in Germany, to call it beyond control at this stage.

Plankton are literally at the bottom of the food chain, a source of nourishment for virtually every animal in the sea.

The plankton that feed on the dust's minerals can bloom significantly, providing food for other ocean creatures, but an overgrown bloom can consume much of the dissolved oxygen in an area and create an anoxic dead zone.

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

Plankton, crustaceans and fish, all food for wildlife, reproduce at the dynamic edge of the sea ice, where it floats over shallow near - shore waters.

«If silver carp eat all the plankton that the prey of adult walleye would eat, then you get less prey for the walleye and less walleye.»

«Knowing their specific prey and if they are following blooms of particular plankton would be a way for us to remotely detect places where we might find these rays.

More fresh water in the surface water layers makes it harder for the nutrient - rich bottom water to rise to the upper layers where the sunlight ensures the production of plankton algae in summer.

Plankton algae form the basis for all life in the sea and a lower production of algae will result in a lower production of fish.

Tiny plankton and bits of plastic commingle in this water sample taken in the vicinity of the so - called «Great Pacific Garbage Patch,» a large area in the North Pacific Ocean known for accumulations of plastic marine debris.

Tripati and her team used a technique known as clumped isotope thermometry, which examines the calcium carbonate shells of marine plankton for subtle differences in the amounts of carbon - 13 and oxygen - 18 they contain.

The shale, named for the town of Eagle Ford, TX, is a geologic remnant of the ancient ocean that covered present day Texas millions of years ago, when the remains of sea life (especially ancient plankton) died and deposited onto the seafloor, were buried by several hundred feet of sediment, eventually turning into the rich source of hydrocarbons we have today.The shale was first tapped in 2008 and now has around 20 active fields good producing over 900 million cubic feet per day of natural gas.

The algae and its marine snow aggregates can serve as a major food source for other forms of marine life like plankton - eating fish and shellfish.

It didn't take long for her to confirm that the flashing was not, as most people assumed, a form of bioluminescence — a chemical reaction inside animals like plankton that produces light similar to that of a glow stick.

It is an American book and inevitably many examples, particularly of intertidal ecology, are from the American Atlantic and Pacific coasts, but in this edition Nybakken includes more material from elsewhere, and many topics, plankton biology and deep sea biology, for example, are global in their scope.

For one of them, you can thank plankton, in particular the single - celled photosynthetic drifters that comprise the phytoplankton of the world's oceans.

Stout infantfish were captured in a plankton net on the Great Barrier Reef in Australia by a field researcher in 1979, then overlooked for more than two decades until H. J. Walker, a senior museum scientist at the Scripps Institution of Oceanography, and William Watson of the National Marine Fisheries Service, realized they were an unknown species.

It feeds on tiny plankton, devastating their populations — and in turn it brings about crashes in the numbers of fish that depend on the plankton for food.

One type of marine fungus, for example, first appeared in the sediments roughly 9600 years ago — exactly when some forms of freshwater plankton and a freshwater mussel vanish, the team reports this week in the Proceedings of the National Academy of Sciences.

That doesn't bode well for sea creatures like oysters, corals and plankton that grow hard shells made of a chalky mineral called calcium carbonate.

They feed on the bottom of the food chain — on single - celled plankton, which larger fish can not eat — and then they become prey for all sorts of upper - level predators like tuna, sea bass and halibut as well as seabirds and marine mammals.

Fertilizing the ocean with iron to promote plankton blooms also gets high marks for danger because of the potential for unintended ecosystem impacts.

The researchers ruled out dinoflagellates, copepods, and other plankton known for luminescence, but their samples were taken at a depth of about three yards.

Taketeru Tomita of the University of Tokyo, Japan, and colleagues have looked at the mechanics of its jaw to find out whether it actively sucks plankton in, or just swims through clouds of them with its mouth open and hopes for the best — a technique called ram feeding.

Nearly all are part of a drifting community of organisms called plankton, a term derived from the Greek word for wanderer.

Oceaneos's experiment will probably increase plankton growth in low - iron waters, Marchetti says, «but it's not to say that that is actually good for the higher levels of the food chain».

NASA's Plankton, Aerosol, Cloud, Ocean Ecosystem satellite mission, still in planning stages, operates with a framework that could serve as an example for science support of future missions.

Together with a previous article in the same journal that calculated biomass export efficiency for these organisms for the first time, these new data allow robust estimates of global carbon export associated with gelatinous plankton.

From microscopic plankton to species» interactions in the marine ecosystem and from elemental biogeochemical cycling to the consequences for economy and society: The German project BIOACID (Biological Impacts of Ocean Acidification) analyses the problem of ocean acidification in its entire spectrum.

RE # 39 (sorry for being off - topic), there are still more threats to plankton from GW, according to a NATURE article just out («Decline of the marine ecosystem caused by a reduction in the Atlantic overturning circulation,» Schmittner, Vol 434 No 7033, Mar 31, p. 628): If the Atlantic ocean conveyor is disrupted due to freshwater entering, then the nutrients for plankton will not be churned up, perhaps reducing plankton by half.

The new research published in the journal Science Advances examined the skin cells of common dolphins for chemical clues about the length of the marine food chain, which begins with tiny plankton and continues as species eat them, and other species eat those species.

Scientists of GEOMAR Helmholtz Centre for Ocean Research Kiel used so - called «indoor mesocosms» to mimic the future ocean in their laboratories: They transferred the natural plankton community from the Kiel Fjord into twelve 1400 - liter tanks and brought them to two different temperatures and two different carbon dioxide concentrations.

«While many branching corals dominate under normal pH conditions offering ample hiding space for the different species of zooplankton, ocean acidification shifts the community to large, massive bouldering corals, which offer the reef - associated plankton little opportunity for hiding».

The plankton, in turn, attracts a vast array of marine life, providing feeding as well as spawning grounds for myriad pelagic species, including some that have migrated across wide oceanic areas.

Plankton and larval ecology, bio-physical interactions, development and use of optical imaging tools for plankton and benthic habitat mapping, development of data products for ecosystems approaches to management, ocean observing systems in polar, temperate and tropical environments, chair ORION - OOI sensors advisory cPlankton and larval ecology, bio-physical interactions, development and use of optical imaging tools for plankton and benthic habitat mapping, development of data products for ecosystems approaches to management, ocean observing systems in polar, temperate and tropical environments, chair ORION - OOI sensors advisory cplankton and benthic habitat mapping, development of data products for ecosystems approaches to management, ocean observing systems in polar, temperate and tropical environments, chair ORION - OOI sensors advisory committee

March 14, 2018 New studies detail the design and deployment of biodegradable ocean drifter for large - scale sampling experiments MIAMI — Studying small - scale ocean currents is important to understand how pollutants like oil and micro-plastics, or tiny sea creatures like plankton, travel in the world's oceans.

In situ mesocosm experiments on the effect of ocean acidification (OA) are an important tool for investigating potential OA - induced changes in natural plankton communities.

We know that acidification of the ocean makes it more difficult for some plankton to make shells.

«Plankton, which are key consumers of algae and a food source for many fish, may be making a monumental tradeoff to tolerate increased road salt,» said Rick Relyea, Jefferson Project director, CBIS member, and co-author of the study.

In an experiment with organisms from the Kiel Fjord, a team of biologists from GEOMAR Helmholtz Centre for Ocean Research Kiel demonstrated for the first time, that ocean acidification and rising water temperatures harms the fatty acid composition of copepods in the natural plankton community.

For example, while reading aloud Ocean Sunlight: How Tiny Plants Feed the Seas, pause to record with students the details learned about the importance of plankton in the ocean's ecosystem and on earth in general.

For example, brine shrimp, bloodworms, tubifex, plankton, mysid and krill have all made the rounds of late, Schmidt said.