Sentences with phrase «growth of algae»

Not only are elevated concentrations toxic to wildlife and even to people, but also even moderate concentrations can, if allowed to persist, fuel the explosive growth of algae.

The zones occur where fertilizer and sewage runoff, carried by rivers into the ocean, feeds the runaway growth of algae.

SC: In essence, the passage of time is visually presented within your paintings through the irregular growth of the algae, which appears gradually by the intermittent layering of oil paint.

We also measured the ecosystem changes in the mesocosms and we saw that the extra CO2 stimulated growth of algae, which led to more zooplankton, meaning more food for fish.»

But when large amounts of these elements end up in lakes and oceans, they can cause large growths of algae.

A major global problem that has resulted from the use of synthetic fertilizers is the dangerous growth of algae in lakes and water reservoirs.

In particular, excess nitrogen washes off of agricultural and urban landscapes and is accelerating the destructive growth of algae in lakes, rivers and coastal estuaries around the world.

This causes large growths of algae, which sink, and decompose, in the process consuming all the oxygen in the water.

This opens them up to sunlight and fosters the growth of the algae abalone feed on in the wild.

In the lab, they also did an experiment to see if wash water from tunnels affected the protein activity in liver cells, or reduced the growth of an algae called Pseudokirchneriella subcapitata.

Before the 2004 study, known as EIFEX, the European Iron Fertilization Experiment, scientists had conducted 11 experiments at sea to explore how trace quantities of iron may encourage the growth of algae.

Eventually, the fertilizing effects of these nutrients in surface waters can fuel the growth of algae that ultimately suck most of the oxygen out of large patches of coastal waters, creating what are colloquially termed dead zones (see Limiting Dead Zones).

The researchers evaluated the idea of adding iron to oceans in order to stimulate the growth of algae, which sequesters carbon.

Solar energy fuels the growth of the algae, which are then dried, ground up into a fine powder and burnt in the engine to generate electricity.

The growth of these algae depends on nutrients such as nitrogen and phosphorus.

The researchers also tested the effects of the different sediments on the growth of the algae.

Between the key nutrients nitrogen and phosphorus, nitrogen is primarily seen as the main limiting factor for the growth of algae in the ocean.

These nutrients stimulate the growth of algae within the continental shelves, which subsequently removes more carbon dioxide from the atmosphere, the researchers said.

The theory is that in many parts of the ocean, lack of iron restricts the growth of algae.

In some areas, they boosted the growth of the algae by dousing the snow in fertilizer.

Sandia project leads Ryan Coe and Giorgio Bacelli spend long days in the dark wave tank, where minimal lighting reduces the growth of algae in the water.

Organic additives found in road salt alternatives — such as those used in the commercial products GeoMelt and Magic Salt — act as a fertilizer to aquatic ecosystems, promoting the growth of algae and organisms that eat algae, according to new research published today in the Journal of Applied Ecology.

The steep cavern walls shield the water from the sun for much of the year, which limits the growth of algae the native pupfish feed on and hide in to avoid predators.

Add a few capfuls of bleach to prevent the growth of algae.

I personally hear a researcher speculate that warming lake temperatures could spur the growth of algae, reducing the water's clarity.

Like some of its competitors, Aurora will offer power plants and other carbon emitters the opportunity to sequester their emissions by feeding carbon dioxide into ponds to stimulate the growth of algae.

They analyzed the relationship between the growth of the algae and the amount of light being reflected by the ice sheet surface.

Others suggest dumping iron filings into the ocean to increase the growth of algae which, in turn, would absorb more carbon dioxide.

«So adding iron to the oceans would fertilize the growth of algae.

Eutrophication overstimulates the growth of algae, phytoplankton, and simple plants in lakes or coastal regions.

Other more recent ideas (oft discussed in TreeHugger) include «seeding the skies with compounds to encourage the formation of low - lying, cooling clouds; building a giant sun - shade in space; and dumping iron in the oceans to encourage the growth of algae that would take in carbon when alive and trap it in on the sea floor when dead.»

They include seeding the skies with compounds to encourage the formation of low - lying, cooling clouds; building a giant sun - shade in space; and dumping iron in the oceans to encourage the growth of algae that would take in carbon when alive and trap it in on the sea floor when dead.

The suite of mega-technological fixes includes everything from placing mirrors in space that reflect sunlight from the Earth, to fertilising the oceans with iron to encourage the growth of algae that can soak up atmospheric carbon dioxide.

They hope to quantify the feedback effect and investigate the possibility that nutrients in wind - borne particles are helping nourish the growth of the algae.