Sentences with phrase «rate of the algae»

When there is an increase in water temperature the metabolic rate of the algae increases which causes them to produce more toxins.

Not exact matches

These algae contain pre-digested protein (in the form of amino acids) for quick absorption and high utilization rates.

The rub was if algae are deprived of nitrogen, the cells become stressed and begin to produce lipids, but their growth rate slows.

While Sandia monitors ponds and evaluates resistance to diseases, PNNL will quantify the biomass production rate of 10 strains of algae that they grow in a variety of simulated environmental conditions.

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.

The rates of new introductions of other organisms such as algae, molluscs or insects increased steeply after 1950.

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.

But four years after the start of the experiment, the growth rates of the calcifying alga have only made little progress.

Eventually, however, terrestrial red and green algae and the first lichens developed on land and the final big rise in oxygen may have been caused by the «greening of the continents from around 800 million years ago,» when these simple early lifeforms on land steadily spread and broke down rocks that sustained a higher rate of erosion and led to the release of more nutrients into the oceans that stimulated even more photosynthesis by more newly evolved algae as well as older cyanobacteria (Nick Lane, New Scientist, February 10, 2010).

Researchers from Princeton University have discovered a way to improve the light harvesting rates of the cryptophyte algae Chroomonas mesostigmatica: quantum coherence.

Reduced rate of calcium carbonate production in marine algae (crustose coralline and green algae)

For coral reefs, the most concerning implication of ocean acidification is its effects on coral growth, coralline algae and rates of chemical erosion of reef substrate, which can have significant impacts on the dependent fish communities.

Though blue - green algae is not a significant source of EPA or DHA, some research indicates that it has a very high conversion rate in comparison to other plants (R Kushak et al, unpublished observations, 1999).

Among it's valuable components are gamma - linolenic acid (GLA), linoleic and arachidonic acids, vitamin B12 (needed, especially for vegetarians, for healthy red blood cells), iron, a high level of protein (60 to 70 percent), essential amino acids, the nucleic acids RNA and DNA, chlorophyll, and phycocyanin, a blue pigment that is found only in blue - green algae and that has increased the survival rate of mice with liver cancer in laboratory experiments.

Algae is being produced at the rate of 200 to 300 tons per acre, and that will be integrated with corn ethanol and livestock.

Algae - derived organic matter has been found to fuel higher rates of CH4 production than land - based «terrestrial» carbon (West et al. 2012), and may even stimulate the enhanced incorporation of recalcitrant terrestrial carbon into bacterial biomass (i.e., priming effect; Guillemette et al. 2015).

These algae can change the albedo of snow, affecting the rate of Arctic snowmelt.

The lower Chesapeake Bay is especially at risk due to high rates of sinking land (known as subsidence).96 Climate change and sea level rise are also likely to cause a number of ecological impacts, including declining water quality and clarity, increases in harmful algae and low oxygen (hypoxia) events, decreases in a number of species including eelgrass and seagrass beds, and changing interactions among trophic levels (positions in the food chain) leading to an increase in subtropical fish and shellfish species in the bay.66

A growing number of studies have demonstrated adverse impacts on marine organisms, including decreases in rates of coral calcification, reduced ability of algae and zooplankton to maintain protective shells, and reduced survival of larval marine shellfish and fish [13], [14], [15].

He estimates algae has an «oil - per - acre production rate 100 - 300 times the amount of soybeans, and offers the highest yield feedstock for biodiesel and the most promising source for mass biodiesel production to replace transportation fuel in the United States.»

These responses include impacts on calcification rates [18,19], immune function [20], reproduction and carryover effects in larval and juvenile stages of invertebrates [21], enhanced productivity in phytobenthos [22 — 25] but reduced calcification and growth in calcareous algae [26 — 28].

Criteria Description Fish Toxicity Measure of the acute toxicity to fish (both saltwater and freshwater) Daphnia Toxicity Measure of the acute toxicity to Daphnia (invertebrate aquatic organisms) Algae Toxicity Measure of the acute toxicity to aquatic plants Persistence / Biodegradation Rate of degradation for a substance in the environment (air, soil, or water) Bioaccumulation Potential for a substance to accumulate in fatty tissue and magnify up the food chain Climatic relevance Measure of the impact a substance has on the climate (e.g., ozone depletion, global warming, etc.) Other Any additional characteristic (e.g., soil organism toxicity, WGK water classification, etc.) relevant to the overall evaluation but not included in the previous criteria 1.3.3 Material Class Criteria The following material classes are flagged due to the concern that at some point in their life cycle they may have negative impacts on human and environmental health.

Roof experts who are highly rated by members of Angie's List say the source is an algae called Gloeocapsa magma.