Sentences with phrase «by plant photosynthesis»

CO2 is removed from the atmosphere by plant photosynthesis (123 ± 8 PgC / year).
On the other hand, this option would also exclude the sequestration benefits provided by plant photosynthesis in growing biofuel and biomass crops.
Since the amounts absorbed or emitted by plant photosynthesis and animal respiration are an order of magnitude greater than those emitted by humans, it is clear that a slight shift in either of these could represent a major shift in the balance.
Soil provides an abundant, readily available storage option — one designed by nature to hold carbon removed from air by plant photosynthesis.
Wennberg says that combining such measurements with OCO - 2 data could help researchers to detect hourly variations in CO2 production caused by plant photosynthesis — or even by rush - hour traffic in some large urban areas.

Not exact matches

Editor's note (01/05/18): This article has been updated to clarify that the study by Stephen Long and others published in Science in 2016 involved improving the efficiency of photosynthesis in tobacco plants.
This means that the energy consumption and carbon footprint of marijuana growers would go way down, as the light the plants need for photosynthesis could be provided more naturally by the sun.
The efficiency of natural photosynthesis is limited by light - absorbing pigments in plants or bacteria, he says.
«In these environments that are dominated by marine plants, photosynthesis and respiration cause large differences in CO2 concentrations and the addition of anthropogenic carbon make these day - to - night differences even larger than they would be without that extra carbon,» said George Waldbusser, an Oregon State marine ecologist and co-author on the study, who serves as Pacella's Ph.D. adviser.
Part of the problem is that the benefits of better plant growth, thanks to higher carbon dioxide concentrations (plants use CO2 for photosynthesis) are more than offset by the impact of higher temperatures and differing precipitation.
When these nanocomposites were incorporated into leaf chloroplasts of living plants, the electron flow associated with photosynthesis was enhanced by 30 %.
Incorporation of CNTs enhanced electron flow associated with photosynthesis by 49 % in extracted chloroplasts and by 30 % in leaves of living plants, and incorporation of cerium oxide nanoparticles (nanoceria) into extracted chloroplasts significantly reduced concentrations of superoxide, a compound that is toxic to plants.
If plant life does exist on a planet like Kepler - 186f, its photosynthesis could have been influenced by the star's red - wavelength photons, making for a color palette that's very different than the greens on Earth.
The BPEC cell developed by the researchers is based on the naturally occurring process of photosynthesis in plants, in which light drives electrons that produce storable chemical energetic molecules, that are the fuels of all cells in the animal and plant worlds.
But the fluorescence map, an unexpected secondary capability, provides a more direct measure of carbon fluxes: the amount mopped up by plants during photosynthesis or released during respiration.
Purdue University physicists are part of an international group using spinach to study the proteins involved in photosynthesis, the process by which plants convert the sun's energy into carbohydrates used to power cellular processes.
Mycorrhizal fungi live in the roots of host plants, where they exchange sugars that plants produce by photosynthesis for mineral nutrients that fungi absorb from the soil.
In the most recent (December 2003) issue of Progress in Oceanography, researchers suggest this whopping increase was caused by a sudden influx of dead algae rich in carotenoids, pigments used by some plants for photosynthesis.
And the satellite will also spy on plants» carbon uptake by measuring the weak fluorescence that is produced by chlorophyll during photosynthesis.
Although about 2 petagrams go into the oceans, another 1.1 to 2.2 petagrams — the missing sink — appears to vanish into the land, likely taken up by plants during photosynthesis.
SeaWiFS, on board the OrbView 2 (aka SeaStar) satellite measures the wavelengths of light reflected by phytoplankton (microscopic marine plants) and algae that use chlorophyll for photosynthesis.
A photosynthesis concept map might have «plants» and «photosynthesis» in different circles, plus a line from the first to the second labeled «make food by
This was achieved by increasing the brightness of the lights over the plants, increasing the rate of photosynthesis.
Nitrogen helps plants produce proteins, including the key molecules that control photosynthesis, the process by which the sun's energy is captured and converted into the carbon compounds that are the raw material for growth.
As a possible step toward the goal of doubling food production by 2050 to feed our expanding human population, researchers have transferred a key photosynthesis gene from a blue - green algae into a tobacco plant, according to a Nature news story.
This was found to be due in part to enrichment of genes involved in sugar metabolism and transport, likely an adaptation to photosynthesis - derived plant carbon, generated by nature's «candy factories,» said Asaf Levy.
The team improved the plant's water - use - efficiency — the ratio of carbon dioxide entering the plant to water escaping — by 25 percent without significantly sacrificing photosynthesis or yield in real - world field trials.
Engineered plants conserve 25 percent more water by only partially opening their mouth - like stomata, allowing less water to escape through transpiration while carbon dioxide enters the plant to fuel photosynthesis.
Photosynthesis, the process by which plants, algae, and select bacteria convert the sun's light energy into chemical energy, takes place in a cellular organelle called the chloroplast.
«Unlike most plants that get energy through photosynthesis, dodder siphons off water and nutrients from other plants by connecting itself to the host vascular system using structures called haustoria.
Professor Henry said photosynthesis — the process by which plants converted sunlight into energy for growth and produce oxygen — was arguably the most important biological process on earth.
Like plants on land, phytoplankton produce energy by photosynthesis, pulling carbon dioxide from the atmosphere to fuel the process.
«By manipulating photoprotection in plants, it may be possible to improve the efficiency of photosynthesis, and one potential outgrowth of that is higher crop productivity,» said Krishna Niyogi, a faculty scientist in Berkeley Lab's Division of Molecular Biophysics and Integrative Bioimaging and a UC Berkeley professor of plant and microbial biology.
Basta kills plants by «choking» them on the ammonia they produce during photosynthesis.
Doubling of the carbon dioxide concentration will cause global plant photosynthesis to increase by about one third, according to a paper published in the journal Nature.
Photosynthesis is the process by which plants convert energy from the sunlight into chemical energy in the form of sugars.
The overall entropy of the universe increases during photosynthesis as the sunlight dissipates, even as the plant prevents itself from decaying by maintaining an orderly internal structure.
Because plants take up CO2 during photosynthesis, it has long been assumed that they will provide a large carbon «sink» to help offset increases in atmospheric CO2 caused by the burning of fossil fuels.
The ground breaking research, conducted by scientists at the University of Sheffield, revealed why plants using C4 photosynthesis — a complex set of structural and chemical adaptations that have evolved more than 60 times to boost carbon uptake compared to the ancestral C3 plants — grow so rapidly.
«Scientists discover C4 photosynthesis boosts growth by altering size, structure of plant leaves, roots.»
Professor Colin Osborne, lead author of the study and Associate Director of the University's Grantham Centre for Sustainable Futures, said: «Photosynthesis powers most life on Earth because it converts solar energy into sugars which are used by plants to grow.
«Photosynthesis was such a powerful invention that it changed Earth's atmosphere by producing oxygen, allowing diverse and complex life forms — algae, plants, and animals — to evolve.»
Life is the dominant source of the molecular oxygen on our planet, as the gas is produced by photosynthesis in plants and microscopic, single - cell organisms.
In climate change scenarios simulated by the model GOTILWA + — within the Consolider - Ingenio project Montes and the research project Med - Forestream — , net primary productivity of Spanish forests (how much carbon dioxide plants take in during photosynthesis minus how much carbon dioxide they release during respiration) will decrease from the second half of this century.
Exciton diffusion is also a basic mechanism underlying photosynthesis: Plants absorb energy from photons, and this energy is transferred by excitons to areas where it can be stored in chemical form for later use in supporting the plant's metabolism.
The weak but nevertheless detectable SIF signal emerges naturally on sunlight - exposed leaves, when chlorophyll molecules are excited by absorbed photons, and is a proxy for plant photosynthesis.
During the dry season, with no fog layer to reflect sunlight, the smaller cloud cover allows plants to receive much higher radiation, increasing evaporation and photosynthesis rates, another process missed by the GCMs.
«They allow us to look into relationships between SIF and the gross primary production (GPP)-- the amount of carbon fixed by plants through photosynthesis — at scales never explored before.»
Photosynthesis was limited by the amount of carbon that green plants could scavenge out of the air.
According to University of British Columbia (UBC) research published this week in Scientific Reports, 30 per cent of the microbes in the Democratic Republic of the Congo's Kabuno Bay grow by a type of photosynthesis that oxidizes (rusts) iron rather than converting water into oxygen like plants and algae.
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