Sentences with phrase «floating algae»

What I thought about was floating algae ponds at the mouths of rivers, using water that otherwise would go into the sea.

As most of the earth is covered by ocean the next questions could be of the UV / VIS - spectrum of water:» How deep under water floating algae can photosynthesize and what is the effect of ozone hole to the primary production on the southern ocean?»

Though we did not find a full trophic cascade in our systems, previous research has shown increased floating algae decreases the availability of light to the attached algae below, thus decreasing the abundance of important resources for grazers like tadpoles and snails.

In communities exposed to the highest concentration of NaCl, the lower abundances of zooplankton led to an increase in the abundance of floating algae (their food source).

The below image shows a high salt pool on the left (with an increase in floating algae) and a no salt pool on the right.

They might have clung to free - floating algae beds or swimming cephalopods, either of which could have carried them far away from where they formed as larvae.

This has puzzled researchers as it is widely believed that the asteroid impact cut off the food supply in the oceans by destroying free - floating algae and bacteria.

Tiny bubbles float algae to the water's surface for harvest and processing.

Not exact matches

They found that the floating beads picked up a chemical called dimethyl sulfide (DMS), a byproduct given off by algae and other microorganisms as they break down (usually when they're being eaten).

Scientists from Oregon State University's Hatfield Marine Science Center confirmed the presence of dozens of species native to Japanese coastal waters — including barnacles, starfish, urchins, anemones, amphipods, worms, mussels, limpets, snails, solitary tunicates and algae — that were on a large floating dock in Japan that washed ashore at Agate Beach near Newport, Oregon in June 2012.

The E. coli directly secretes the resulting biodiesel, which then floats to the top of a fermentation vat, so there is neither the necessity for distillation or other purification processes nor the need, as in biodiesel from algae, to break the cell to get the oil out.

Now, the robot's first findings are already helping scientists piece together more of this previously hidden under - ice food web, including more evidence of the under - ice algae, as well as tiny copepods, ctenophores (jellyfish), predatory marine worms called arrow worms, and abundant amounts of large floating slime balls, known to scientists as larvaceans.

That's because when wind speed is low, lake water is more still, and algae can more easily float to the top and form thick mats that spread along the lake surface.

But the toxic algae bloom that led to the ban is still floating around Lake Erie and ones like it could become more common as the climate continues to change in a warming world.

There are other people who have talked about changing microalgae — green algae that floats in the water — into advanced biofuel, but [using] seaweed is unique,» said DuPont's Nathan Danielson, a program manager who oversaw the companies» DOE grant application.

The scientists first genetically modified E. coli to consume sugar and secrete engine - grade biodiesel, which can float to the top of a fermentation vat — no need for distilling, purifying or breaking cells open to get the oil out, as is the case for making biodiesel from algae.

Just as in algae biofuel production on land, the floating OMEGA bags use water, solar energy and carbon dioxide — which in this case is absorbed through the plastic membrane — to produce sugar that algae metabolize into lipids.

Given at least nine meters (roughly 30 feet) of water on the planet, photosynthetic microbes (including mats of algae, cyanobacteria, and other photosynthetic bacteria) and plant - like protoctists (such as floating seaweed or kelp forests attached to the seafloor) could be protected from «planet - scalding» ultraviolet flares produced by young red dwarf stars, according to Victoria Meadows of Caltech, principal investigator at the NASA Astrobiology Institute's Virtual Planetary Laboratory.

Because the algae float on the surface, those blooms can cut off sunlight to plants living below, causing some to die.

The toxins can also be absorbed through the skin so it is imperative for people and pets to avoid water that smells bad, has a scum or any algae floating on the surface.

This algae has long central stems with leaf - like organs growing from the stems, and small, spherical gas bladders that are filled with nitrogen and enable the plant to float.

This video has been floating around on YouTube for a while now, and though it's not breaking news, it still offers an invaluable look at the algae photobioreactor.