Sentences with phrase «of algae growth»

Each time the dust and iron were added to the surface ocean, we found that there was a corresponding pulse of algae growth.
There is an abundance of algae growth here which attracts plenty of grazers, including both nudibranchs and fish.
«But what we do see in the analysis of the data is an increase in temperatures and chlorophyll concentration across the bay and a changing relationship between nitrogen and chlorophyll — an indicator of algae growth and water quality — as those waters warm.»

Not exact matches

Whole protein sources (such as algae, insects and Hinoman's new vegetable solution) could pick up the slack of slowing and unsustainable meat and seafood growth.
Terramino Foods used only plant - based ingredients including koji fungus and algae, plus a growth medium to mimic the muscle fibers of animals.
TICONDEROGA The recent North Country Algal Blooms Summit in Ticonderoga was part of a $ 65 million initiative to understand and prevent the growth of summer algae blooms.
The level of phosphorus, which causes extreme algae growth, has dropped dramatically in Onondaga Lake, the county's top water quality official told Onondaga County legislators today.
Runoff of phosphorus from sources like lawn fertilizer can end up contributing to algae blooms in water sources — accelerated growth that can make lakes and ponds hostile to marine life and treacherous for swimmers and other recreational users.
A coral reef is a type of biotic reef that develops in tropical waters by the growth of coralline algae, hermatypic corals, and other marine organisms.
That makes sense: Too much nitrogen in water promotes the growth of plankton, which can block sunlight, and algae, which can settle on the grass blades and smother them.
While the extra nitrogen is a rich resource for algae in the Gulf, driving the growth of massive algal blooms, excess nitrogen has a more deadly impact on other marine life.
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.
Sediment cores show that in the past, higher iron concentrations in the equatorial Pacific did not enhance growth of carbon - storing algae
The researchers found that warm waters and algae — both of which have become more frequent over the years — tended to precede bird deaths, likely because they promoted the growth of botulism toxin - producing bacteria.
Of course, making algae oil in any quantity remains a huge challenge, from perfecting the growth of the organism and its oil production to extracting the product in a cost - effective manneOf course, making algae oil in any quantity remains a huge challenge, from perfecting the growth of the organism and its oil production to extracting the product in a cost - effective manneof the organism and its oil production to extracting the product in a cost - effective manner.
The elevated algae levels were caused by the higher phosphate phosphorus content of the surface layer before the growth season compared to last year.
«Most recently, we completed Phase I of our SBIR grant, showing significant impacts on the growth of commercially relevant algae strains.
Algae production consumes more energy, has higher greenhouse gas emissions and uses more water than other biofuel sources, like corn, switch grass and canola, Clarens and his colleagues found by using a statistical model to compare growth data of algae with conventional cAlgae production consumes more energy, has higher greenhouse gas emissions and uses more water than other biofuel sources, like corn, switch grass and canola, Clarens and his colleagues found by using a statistical model to compare growth data of algae with conventional calgae with conventional crops.
The rub was if algae are deprived of nitrogen, the cells become stressed and begin to produce lipids, but their growth rate slows.
Additionally, it is difficult to find land with suitable characteristics for algae growth and there are technical challenges of scaling up lab / pilot projects and cost effectiveness.
The purpose of the ALGIDA project was to explore algae growth in waste waters in Finland and how the condition could be improved.
Solix continues its work to increase algae growth rate and oil content, then reduce the capital and energy expenditures of production to keep costs below $ 80 per barrel.
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.
Scientists on the Indian - German expedition, known as LOHAFEX, grew a 300 - km2 patch of algae in hopes that the plants» carbon would fall kilometers below, taking with it the atmospheric carbon it had pulled in during growth.
Researchers in Hawaii found that guppies released in the 1920s drove down native fish populations, perhaps by competing with them for food and living space, and had likely changed the cycle of nutrients in water: Guppy - rich areas showed increased levels of dissolved nitrogen — from ammonium in fish urine and gill excretions — which, in turn, stimulated algae growth.
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).
These symbiont algae produce sugars that contribute to the diet of the coral in return for shelter and nutrients that are vital for algal growth.
This process of rampant algae growth leading to oxygen - starved waters is known as eutrophication.
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.
Algae and cyanobacteria are complicated critters: although they can grow in open ponds, unwanted microbial strains can easily contaminate the water and interfere with the growth of the fuel - making strains.
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 centerpiece is a sealed growth chamber, or photo - bioreactor, made from a clear polymer to let sunlight through; inside is a strain of algae selected for its high rate of oil production.
The zones occur where fertilizer and sewage runoff, carried by rivers into the ocean, feeds the runaway growth of algae.
New research suggests this type of algae — called Didymosphenia geminate, or didymo — is a native species, but the environmental conditions that trigger its visible growth in rivers were previously rare or absent.
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.
This increase in algae growth and chlorophyll means that water quality is worse for the same amount of nitrogen, which has big implications for water quality targets and clean up plans.
«What we're seeing in the long - term data is that the same levels of nitrogen in the system results in much more algae growth than it did two decades ago,» Rheuban said.
Upon mixing with the surface layer, the water will cause an increase in the growth of filamentous algae and elevate the risk of blue - green algal blooms.
However, even closed systems have their challenges: on 27 October Marine Harvest announced that they had decided to conclude the second growth phase after the fish suffered damage to their gills as a result of poisonous algae and a subsequent outbreak of amoebic gill disease.
Between the key nutrients nitrogen and phosphorus, nitrogen is primarily seen as the main limiting factor for the growth of algae in the ocean.
The reason for this is the limited growth of unicellular algae compared to other oceanic regions, which would otherwise color the ocean green.
Even after four years of evolution, the alga could not compensate completely for the negative impact on its growth,» explains Dr. Lothar Schlüter, author of the study and a former doctoral student at GEOMAR.
But four years after the start of the experiment, the growth rates of the calcifying alga have only made little progress.
Water is a major concern, as is the use of nitrogen fertilizers to stimulate growth of cyanobacteria and microalgae — two microorganisms typically lumped together as algae biofuels.
Tom Todaro, CEO of Targeted Growth, a molecular biology firm that tweaks camelina and algae genes to create productive feedstocks, said algae is eight to 10 years away from production, whereas camelina is ready now.
bloom (in microbiology) The rapid and largely uncontrolled growth of a species, such as algae in waterways enriched with nutrients.
In some areas, they boosted the growth of the algae by dousing the snow in fertilizer.
Work on Aquarius has so far given valuable insights into the physiology of corals and their symbiotic algae, the effects of herbivorous fish on coral growth, and the resistance of sponges to higher temperatures and levels of carbon dioxide.
A few years ago, someone wanted to dump tons of iron dust into the oceans to promote algae growth.
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