Sentences with phrase «of ocean plankton»

Based on a century of ocean plankton science and the 10 international experiments on iron fertilization over the last 15 years we are confident that the scale, methods and technologies of the work we are planning will have positive impacts on all fronts, improving water quality, buffering surface water acidity, recharging the marine food chain, and safely sequestering enormous amounts of CO2 to help slow climate change.

Whales are the gardeners and shepherds of our ocean plankton pastures we need them they need us http://russgeorge.net/2013/04/10/whales-are-worms/

Not exact matches

June 6, 2013 — Spindle - shaped inclusions in three - billion - year - old rocks are microfossils of plankton that probably inhabited the oceans around the globe during that time, according to an international team of researchers.

Now the flood is supposed to have happened about 4361 years ago (2013)[1] so that means that if we go down that number of layers we should find on or about that layer evidence of the flood in the form of dead plankton, salt, and other ocean detritus.

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

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.

Juveniles lose the bright, plankton - filtering gills seen on this individual when they mature and descend into some of the deepest depths of any known fish, often more than 5,000 meters (16,000 feet) beneath the ocean surface.

Findings published today in the journal Nature Climate Change reveal that water temperature has a direct impact on maintaining the delicate plankton ecosystem of our oceans.

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.

When the weather warms and no ice sits upon the seas, the sediment on the ocean floor is mainly organic: remains of plankton and diatoms.

They reported this finding in July after analyzing 50 - plus years of data on light penetration of the ocean surface and plankton abundance in water samples.

Despite the size of the bloom, however, the plankton did not take in a record - breaking amount of carbon dioxide — only about 20 % more carbon than that part of the ocean sequesters biologically each year.

Can any scientist who claims to be credible say such a thing in the face of the long, published history of plankton blooms in the open ocean?

When areas of the ocean are low in iron, the plankton population usually remains sparse.

The ash, it turned out, had fertilized the ocean with thousands of tons of iron, on which the plankton gorged.

Ocean chemist Philip Boyd of the University of Otago in New Zealand says many other researchers have tried to link an infusion of iron from volcanic ash or even dust storms to plankton blooms, but this study is the first to «verify such a massive event.»

It's coincidentally one of the best - studied ocean regions in the world, with data on plankton going back over 50 years.

An international team of scientists have discovered two new plankton - eating fossil fish species of the genus called Rhinconichthys (Rink - O - nik - thees) from the oceans of the Cretaceous Period, about 92 million years ago, when dinosaurs roamed the planet.

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.

Without the ozone layer, ultraviolet rays from the sun would reach the surface at nearly full force, causing skin cancer and, more seriously, killing off the tiny photosynthetic plankton in the ocean that provide oxygen to the atmosphere and bolster the bottom of the food chain.

An international team of scientists has discovered a new lineage of extinct plankton - feeding sharks, Pseudomegachasma, that lived in warm oceans during the age of the dinosaurs nearly 100 million years ago.

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.

Iron can fuel plankton blooms and influence how the ocean responds to climate change, while the lead images show the impact of past pollution on the ocean and continuing contamination in some parts of the world and aluminium is used as a tracer of desert dust inputs to the ocean.

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

Scientists took nearly 200,000 water, plankton, atmosphere particles and gases samples in 313 points of the Indian, Pacific and Atlantic Oceans at depths of up to 6,000 meters.

Another high - profile test — of dumping iron particles into the ocean to stimulate plankton growth — failed miserably after being disrupted by protesters.

You report on a successful trial of ocean iron - seeding to promote plankton growth and potential carbon sequestration via the sinking...

Your article on adding iron to patches of ocean to encourage plankton growth and so capture atmospheric carbon (21 July,...

AS THE world's fisheries ministers promised tough action to conserve the oceans» fast - diminishing fish stocks last week, researchers were providing still more evidence of a crisis that threatens everything from plankton to porpoises.

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.

The working group on coupled biogeochemical cycling and controlling factors dealt with questions regarding the role of plankton diversity, how ocean biogeochemistry will respond to global changes on decadal to centennial time scales, the key biogeochemical links between the ocean, atmosphere, and climate, and the role of estuaries, shelves, and marginal seas in the capturing, transformation, and exchange of terrestrial and open - marine material.

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.

Phosphorus is an essential nutrient that feeds plankton at the base of the ocean food web.

Today's ocean models typically take an «either / or» approach, grouping plankton as either photosynthesizers or consumers of prey.

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.

Typical ocean models that incorporate plankton often group them in 10 general size classes, each of which fall into a «two - guild» structure, as either photosynthesizers, or consumers of prey.

These more substantial organisms, compared to smaller and lighter plankton, were more capable of sinking to the ocean floor, as carbon - containing detritus.

The plankton incorporate different forms of boron into their shells, depending on the seawater's acidity, so each shell serves as a chemical record of the ocean's pH during its occupant's brief life.

But invisible changes may be the most threatening to human food sources, beginning with the tiny species like plankton that inhabit the bottom of the oceans» food chain.

New genetic analyses of tropical marine microorganisms have revealed that some species of single - celled plankton are converting significant amounts of nitrogen from the air into nutrients, helping to fortify the base of the ocean's food pyramid.

By detecting the molecular machinery used by the plankton to create one of the enzymes needed to split nitrogen molecules apart, scientists appear to have discovered a new microbial source of the ocean's nitrogen - bearing nutrients.

Iron - rich sediment from deserts feeds plankton blooms in the ocean and plants in the upper canopy of tropical rain forests.

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

A wide range of smartphone apps could allow citizens to do everything from monitoring air and water quality to tracking ocean plankton populations from space.

The question of how Trichodesmium cyanobacteria are reacting to the changing ocean makes a big difference in predicting how other marine life, from whales to mere specks of floating plankton, will react, too.

In places like the North Atlantic, where plankton bloom lushly in the spring, oceanographers find patches of green stuff on the ocean bed, a mile or two below.

At any one time, an estimated 7 billion tonnes of ballast water is crossing the oceans — almost all of it carrying seeds, spores, eggs, larvae, bacteria and plankton native to wherever the water was loaded.

Across the world's oceans, seas and coasts, tens of millions of tonnes of it are released by microbes that live near plankton and marine plants, including seaweeds and some salt - marsh grasses.

The same mechanism would likely also mobilize and deliver more nutrients, carbon, and other chemicals into the Arctic Ocean, fueling the growth of plankton at the bottom of the food chain.