Sentences with phrase «marine plankton»
Marine plankton refers to tiny organisms that float in the ocean, like plants and animals. They are too small to see with our eyes, but they play an important role in the ecosystem as they are at the bottom of the food chain and provide food for bigger marine animals. Full definition
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.
sciencedaily.com
Scientists have peered into the eye - like structure of single - celled marine plankton called warnowiids and found it contains many of the components of a complex eye.
The quantities are similar to those produced by marine plankton and pesticides, the two main sources of methyl bromide previously recognised.
But perhaps this problem could be avoided, if the plankton blooms can be harvested for another recent idea, the use of marine plankton as a source of biofuel.
In a paper just published in Nature Communications, they present evidence that malformed fossil remains of marine plankton from the late Silurian (415 million years ago) contain highly elevated concentrations of heavy metals, such as iron, lead, and arsenic.
Out of about 150,000 kinds of marine plankton detected during the Tara oceans expeditions, as reported May 22 in Science, researchers could genetically identify about a third only as some eukaryote.
Satellites can assess traits such as tree - canopy height and marine plankton productivity.
Radiocarbon analyses of 14C in lipid biomarkers associated with marine plankton [14], and 13C - labeled bicarbonate tracer studies [15] suggest that marine Crenarchaeota are capable of light - independent autotrophic carbon assimilation into membrane lipid biomass, an hypothesis further strengthened by recent single cell phylogenetic identification and autoradiographic verification of carbon dioxide incorporation [16].
Wave your paddle through the water in front of you, and be mersmerized by the tiny glowing specs of plankton or Dinofagellates which are small unicellular marine plankton.
Sediment from the years when the drill site was covered by open ocean are made of diatoms, tiny marine plankton («diatomite»).
Thousands of seagoing scientists have collected millions of plankton observations that can provide us with a deeper understanding of marine plankton trends.
This story is about a proposal, by Planktos, Inc., to stimulate large - scale natural marine plankton blooms by «iron seeding», in - situ, for the purpose of scouring carbon dioxide from the air.
The single - cell marine plankton, a predatory microbe, bears a dark purple spot known as an ocelloid.
The scientists developed a mixotrophic model of the global ocean food web, at the scale of marine plankton, in which they gave each plankton class the ability to both photosynthesize and consume prey.
This approach is not ideal, however, because Antarctic sediments contain both marine plankton and land - derived organic matter of vastly different ages.
Martiny, A.C., Pham, C.T.A., Primeau, F.W., Vrugt, J.A., Moore, J.K., Levin, S.A., Lomas, M.W. (2013) Strong latitudinal patterns in the elemental ratios of marine plankton and organic matter.
In this instance, there is a higher absorption of the marine plankton and it's benefits.
«When CO2 reacts with seawater, the reduction in seawater pH reduces the availability of carbonate ions, which play an important role in shell formation for a number of marine organisms such as corals, marine plankton, and shellfish.
It has been shown by other researchers that marine plankton can respond quickly to climate change and amplify even subtle alterations in the environment.»
Ribeiro and colleagues studied the marine plankton in sediment cores that date back 1,500 years in Disko Bay, Greenland.
She is particularly interested in the role of marine plankton and nutrients on the carbon cycle looking at modern and paleoclimate cases.
[79] Natural sources of carbon dioxide are more than 20 times greater than sources due to human activity, [80] but over periods longer than a few years natural sources are closely balanced by natural sinks, mainly photosynthesis of carbon compounds by plants and marine plankton.
Ocean acidification adversely affects large number of marine organisms such as corals, marine plankton, and shellfish.