Sentences with word «planktonic»

He is interested in palaeoclimate proxies, biotic evolution and stratigraphy, with particular emphasis on the fossil record of planktonic foraminifera from deep sea cores.

Over the weeks of residence, they also studied the fluctuations and migrations of planktonic organisms in the water column, still a focus of research today.

He also studies the impact of changes in sea ice on marine planktonic ecosystems by developing biophysical models such as the coupled Biology - Ice - Ocean Modeling and Assimilation System (BIOMAS).

The cores showed a significant increase in planktonic diatoms beginning in the early 1960s, a finding consistent with the observed increase in air temperatures and reduction in wind speed in recent decades.

Several groups of single - celled planktonic organisms, all of which are common in the oceans today, were greatly affected by the PETM.

Barnacle larvae progress through multiple planktonic stages, termed «nauplii» and «cyprids,» before settling to the bottom.

As expected, this stimulated growth of tiny planktonic algae or phytoplankton, which it was hoped would take out of the atmosphere carbon dioxide, the principal greenhouse gas blamed for climate change, and absorb it.

This molecule, which the researchers call pteronenone, had a structure similar to that of chemicals which absorb the Sun's damaging ultraviolet rays and are carried by other planktonic creatures (Journal of Organic Chemistry, vol 60, p 780).

Pacific salmon, for example, eat a type of planktonic snail which make their shells out of calcium carbonate, or chalk.

Quave, C. L., Plano, L. R., Pantuso, T., and Bennett, B. C. Effects of extracts from Italian medicinal plants on planktonic growth, biofilm formation and adherence of methicillin - resistant Staphylococcus aureus.

I was struck by the similarities between the pasta shapes shown in Richard Webb's article on their mathematical interpretation (15 October, p 48) and some shells of foraminifera, a type of single - celled marine planktonic animal.

Researchers have obtained an unprecedented view of the «ballistic» weaponry of planktonic microbes, including one that can fire projectiles as if wielding a Gatling gun.

They have long - lived planktonic larvae that are easily transported by currents, but fast - growing and short - lived adults.

As an algae biologist I was initially struck by the cover graphic: a stained glass window made of diatoms, the tiny planktonic creatures whose exquisite outer shells are visible only through the electron microscope.

At that time the snail goes into planktonic phase and swims in the sea.

This will require long - term rearing in multi-stressor conditions, from fertilization through planktonic development to maturation into adults, which are then used to generate F1 progeny for new generations.

Previous CO2 rises on Earth happened so slowly that the accompanying ocean acidification was relatively minor, and ammonites and other planktonic calcifiers were able to cope with the changing ocean chemistry.

«This can help us determine mechanisms that influence species composition in planktonic communities exposed to red tides, and suggests that these chemical cues could alter large - scale ecosystem phenomena, such as the funneling of material and energy through marine food webs.»

Further south lies the rocky outcrop of Koh Bon Island with regular manta ray sightings especially between February and April when upwelling currents concentrate planktonic food near the surface.

But that was the time that the forefathers of the current planktonic coccoliths made the white cliffs of Dover and thick carbonate deposits in many other places.

During expeditions from 2009 through 2013, the Tara Oceans scientists sampled viruses, bacteria, protists, and small animals in the upper ocean, ultimately collecting over 35,000 planktonic samples from 210 stations in all the major oceanic regions.

Secondly, Iglesias - Rodriguez et al. found that calcification and production in an important shelled planktonic plant are significantly increased by high CO2.

In an experiment, Fabry exposed planktonic snails called pteropods to seawater with a level of acidity matching that predicted for the Southern Ocean in 2100.

The variation in crenarchaeal ammonia monooxygenase related subunits with water depth is also of ecological interest, given the potential differences in dissolved oxygen concentrations between surface and benthic waters or between planktonic and symbiotic environments.

Human Whey Promotes Sessile Bacterial Growth, Whereas Alternative Sources Of Infant Nutrition Promote Planktonic Growth, Current Nutrition and Food Science, ISSN: 2212 - 3881

So where fishes use their eyes to spot planktonic prey, jellyfishes rely on body size — like the lion's mane jellyfish's 37 - meter - long tentacles — to maximize their success.

If you trawl a fine mesh net through any of the globe's five subtropical gyres — giant ocean vortexes where currents converge and swirl unhurriedly — you will haul on deck a muddle of brown planktonic goop, the occasional fish, squid or Portuguese man - of - war — and, almost certainly, a generous sprinkling of colourful plastic particles, each no larger than your fingernail.

Work by Gonzalo Vidal of the University of Uppsala in Sweden indicates that single - celled planktonic eukaryotes certainly date back to 1.7 billion years B.P. and very likely to at least 2.2 billion years B.P..

With so little previously known about the larger Pacific striped octopus, the team hopes to continue studying the dietary needs of newly - hatched planktonic larvae to develop a captive breeding protocol and learn more about the animal's full life cycle.

A group of Woods Hole Oceanographic Institution (WHOI) researchers and engineers have developed and tested an innovative new system for sampling small planktonic larvae in coastal ocean waters and understanding their distribution.

The researchers studied one kind of pteropod, common planktonic snails known as sea butterflies for the winglike body parts that help them glide through the water.

Previously, the ocean's numerous planktonic organisms have largely been uncharacterized.

«The green plants are one of the most diverse branches on the tree of life, with a half million species that range in size from planktonic unicells to redwood trees.

In novel lab observations of interactions between corals and planktonic bacteria, known as picoplankton, researchers found that corals are selectively feeding on specific types of bacteria — the same bacteria whose growth is promoted by organic matter and nutrients that are released by the corals.

It should not have any effect on planktonic Staphylococcus.

However, the number of mature individuals and their reproduction rate on the islands turned out to not be useful proxies for estimating population replenishment rates, as both species undergo planktonic reproductive stages.

On both islands, shellfish foraging sites (where the oyster beds are located) face north - west and the currents transporting planktonic larvae and therefore supply of new prey affect each island similarly.

In V. cholerae and other biofilm - forming organisms, matrix production is known to prevent planktonic cells from entering the biofilm, thus providing a competitive advantage to resident cells during surface colonization processes [54].