Sentences with phrase «oxygen availability»

That leaves scientists still asking the question — how much is global warming limiting oxygen availability worldwide?

Large fish have a very high oxygen requirement due to their size, increasing the demand for oxygen availability in the pond.

This delay in oxygen availability caused by oil can increase stress on wetland plants, unable to supply enough oxygen to their root system.

For the fetus, limitations in nutrient and oxygen availability cause progressive oxidative stress which prompt the release of proteins into the maternal bloodstream in an effort to improve circulation.

In healthy people at sea level, production of adequate amounts of NO is not a problem, but with the reduced oxygen availability at high altitude it is a challenge, simply because natural NO production requires oxygen.

Deficiencies of B12, B6, folic acid and / or iron can all create a shift in fuel availability (specifically in glycolysis: the oxidation or burning of sugar / glucose) which is a huge stressor on the body as it decreases oxygen availability to every cell.

«So it's not surprising,» he added, «that some flatlanders have a bit of trouble adjusting to the lower oxygen availability.

The identification of this mechanism linking oxygen availability, mineral levels and root water permeability is thus an important step forward for agronomy.

These results are consistent with the hypothesis that ketones can be used in addition to glucose as a substrate for brain energy production even during reduced oxygen availability.»

Scientists say reserves can help marine ecosystems and people adapt to five key impacts of climate change: ocean acidification; sea - level rise; increased intensity of storms; shifts in species distribution, and decreased productivity and oxygen availability.

Predators, pathogens, oxygen availability, even bad parenting can trigger early hatching.

While we already knew that plant roots were capable of sensing many individual soil characteristics (water, nutrients and oxygen availability), we did not have any understanding of how they integrated these signals in order to respond in an appropriate way.

The scientists reasoned that this so - called clay mineral factory might have produced the sharp rise in oxygen availability that preceded the flowering of complex life forms.

Although abundant in well - oxygenated environments, early skeletal animals did not occupy oxygen - impoverished regions of the shelf, demonstrating that oxygen availability (probably > 10 micromolar) was a key requirement for the development of early animal - based ecosystems.

These birds «have super-high metabolic rates and oxygen availability is low.

Kondo, K, Sugioka T, Tsukada K, Aizawa M, Takizawa M, Shimizu K, Morimoto M, Suematsu M, and Goda N. Fenofibrate, a Peroxisome Proliferator - Activated Receptor a Agonist, Improves Hepatic Microcirculatory Patency and Oxygen Availability in a High - Fat - Diet - Induced Fatty Liver in Mice.

He is best known for his ground - breaking discovery of the HIF - 1 (hypoxia - inducible factor 1) protein, which controls genes in response to changes in oxygen availability.

Oxygen availability is a vital component in muscle function and particularly important in aiding muscular recovery.

In addition, combined with the decline in oxygen availability, ocean acidification has the potential to impair aerobic respiration (see further discussion below).