Sentences with phrase «plant biomass by»

After dissolving plant biomass by the novel solvent, carboxylate - type liquid zwitterion, hydrolysis and fermentation were consecutively carried out in one reaction pot for conversion into ethanol.

Stores carbon in soil and plant biomass by building organic matter, encouraging agro-forestry and forbidding the clearance of primary ecosystems.

Not exact matches

Middlebury, for example, spent a one - time $ 12 million on a biomass gasification plant, and spends almost $ 5 million per year to achieve its goal of becoming carbon - neutral by 2016.

Middlebury's biomass gasification plant is the product of an administration comfortable with multi-million-dollar projects, made possible by a sizeable and wealthy circle of alumni, a massive endowment, huge tuition costs, and subsidies from our colossal nation - state.

By late June, the organic fields had 50 to 70 percent more species of wild plants than the conventional fields, with significantly more weeds and biomass.

Conversion of natural vegetation to agriculture is a major source of CO2, not only due to losses of plant biomass but also, increased decomposition of soil organic matter caused by disturbance and energy costs of various agricultural practices such as fertilization and irrigation.

Amazonian grasses, sometimes called macrophytes, convert atmospheric carbon to plant biomass, which is then processed by aquatic microorganisms upon decomposition.

«Because big bluestem is currently a dominant grass species of the Great Plains and makes up to 70 percent of the plant biomass in places, how the ecosystem works could be affected by predicted changes in growth of this species,» Johnson said.

From the products of a biomass gasification plant, i.e. hydrogen, carbon dioxide, and carbon monoxide, the DemoSNG pilot plant directly produces methane and water by means of a nickel catalyst (SNG operation).

The DemoSNG pilot plant constructed by the KIT will be used in Sweden for the reliable and efficient production of methane from biomass - based carbon dioxide and variable amounts of hydrogen from green power.

Then, the volume flow in the plant can be doubled, utilization of carbon from biomass will increase to nearly 100 %, and a large amount of usable waste heat will be produced by the catalyst (PtG operation).

A report by the group concludes that biomass gasi - fication plants could generate more power more cleanly and cheaply than conventional fossil fuels.

At each site Meyerson and Cronin measured plant biomass and defenses against herbivores and quantified insect damage by galling, chewing and sucking (aphids) insects to measure the effects of herbivory on Phragmites fitness.

Volk says states and the biomass power industry are hindered by a lack of clear, uniform federal guidelines about which power plants will pass muster and which won't.

«This study addresses this knowledge gap by showing that warming increased plant biomass, but also redistributes carbon into the soil resulting in no change in soil [carbon] stocks.»

According to her, the research included four of the five functionally distinct carbon pools whose study is recommended by the United Nations (UN) Intergovernmental Panel on Climate Change (IPCC): aboveground biomass (live plants), dead organic matter, leaf litter (layer that contains a combination of fragments of leaves, branches and other decomposing organic matter) and soil (up to 30 centimeters (cm) in depth).

In Oregon, Portland General Electric (PGE) is looking at ways to convert its coal - burning Boardman plant to using biomass by 2020.

«There's been growing concern by many different groups of the potential for catastrophic forest fires to sweep through this part of the world and redistribute the radioactive contamination that is in the trees and the plant biomass,» Mousseau says.

By avoiding the need for gas exchange during the day, they reduce evaporative losses through their leaves and so require much less water per unit of biomass than other plants.

Map shows the entire area where oil and gas development has reduced the land's ability to fix carbon, measured in «net primary production,» which is the net amount of carbon fixed by plants and stored in biomass.

However, more atmospheric CO2 is predicted to increase crop biomass and subsequent yields, and reduce water use by allowing plant stomates to open over shorter periods, thus assimilating the same amount of atmospheric CO2 while conserving moisture (Cutforth et al. 2007).

JBEI, based in Emeryville, Cal., is a multi-institutional research partnership led by Lawrence Berkeley National Laboratory (Berkeley Lab) dedicated to developing advanced drop - in biofuels — liquid fuels derived from the solar energy stored in plant biomass that can replace gasoline, diesel and jet fuels.

Through sequencing of ninety - nine moose stomach microbiomes, a study led by Anders Andersson (KTH / SciLifeLab) and Henrik Aspeborg (KTH) has provided new insights into microbial plant biomass degradation.

For 20 Million Years, the Diversity of Large Terrestrial Mammals Depended on Plant Growth (15/09/2016) For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plant bioPlant Growth (15/09/2016) For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plant bioplant biomass.

«For 20 million years, from the early Neogene approximately 23 million years ago until the Pleistocene started around 2 million years ago, this rule applied: The larger the amount of biomass produced by plants, the higher the diversity of terrestrial mammals that evolved.

However, it is clear that in the world dominated by humans certain ecological «rules,» such as the correlation between large mammal diversity and plant biomass, no longer apply in the same way as they used to do for millions of years.

For more than 20 million years, the ups and downs of diversity in terrestrial large mammals were determined by primary production, i.e. net production of plant biomass.

Complete restoration of deforested areas is unrealistic, yet 100 GtC carbon drawdown is conceivable because: (1) the human - enhanced atmospheric CO2 level increases carbon uptake by some vegetation and soils, (2) improved agricultural practices can convert agriculture from a CO2 ource into a CO2 sink [174], (3) biomass - burning power plants with CO2 capture and storage can contribute to CO2 drawdown.

Cellulase denotes a family of enzymes primarily produced by bacteria, fungi, and protozoans that hydrolyze cellulose, a polysaccharide of -(1g4) linked glucose molecules that constitutes the principal structural molecule of plants and is the most abundant component of plant biomass.

The majority of biomass created by a plant is typically derived from the atmosphere.

Another 8 percent came from biomass and plants that burn gas from landfills (which generates carbon but is considered «renewable» because the gas is released by decomposing garbage).

Coal use for power generation fell even more, by at least 4 %, as power plant efficiency improved and gas and biomass displaced coal in thermal power generation.

The report said power generated by new and existing wind, solar, biomass, waste - to - energy, geothermal, marine, and small hydropower plants comprised about 12.1 % of global power generation in 2017, up from 11 % in 2016.

The EU could halve its emissions from its power plants by 2050 through the combined use of carbon capturing technologies and burning more biomass, a report has found.

Concerns have already been expressed by the «Energy Task Force» that the planned pellet inventory level for the advanced biomass Thunder Bay plant will only be 15,000 tons of pellets; enough to produce about 25,000 MWh but in a cold snap could be fully utilized in a few days.

They exclude it based on the assumption that this release of carbon dioxide is matched and implicitly offset by the carbon dioxide absorbed by the plants growing the biomass.

That amount, however, is roughly equivalent to the total amount of biomass people harvest today — all the crops, plant residues, and trees harvested by people for food, timber, and other uses, plus all the grass consumed by livestock around the world.

In some cases, bioenergy appears to offer net climate benefits compared to fossil fuels because of carbon sequestration by plants grown for biofuel and biomass.

They exclude it based on the theory that this release of carbon dioxide is matched and implicitly «offset» by the carbon dioxide absorbed by the plants growing the biomass feedstock.

On the other hand, this option would also exclude the sequestration benefits provided by plant photosynthesis in growing biofuel and biomass crops.

New and refurbished coal - fired power plants will not be eligible for funding unless they emit less than 550 grams of carbon dioxide per kilowatt - hour (gCO2 / kW), which could be met either by a combined heat and power plant or one that also burns biomass.

December 17, 2017 Plant diversity enhances soil microbial biomass, particularly soil fungi, by increasing root - derived organic inputs.

Changes in land use are influenced primarily by the demand for cropland and grassland (to supply plant and animal food to the world population) and by the role of biomass energy.

There's the implications of this too: Dr David Evans who consulted full time for the Australian Green - house Office, now the Dept of Climate Change,1999 - 2005, modelling carbon in plants, mulch, soil and agricricultural products said in an interview, that satellite data over the last 2 decades shows that the amount of plant biomass has increased by 6 %.

Bioenergy refers to sources of energy (electricity and solid, liquid, or gaseous fuels) derived from biomass: plant - or animal - based materials such as crops, crop residues, trees, animal fats, by - products, and wastes.

Recent evidence shows plants have increased in biomass by 25 % in the last decade.

Biomass power plants do emit carbon dioxide, a greenhouse gas, but they release no more than what is naturally in the carbon cycle as trees are planted, downed — by man or nature — and replanted.

The revised plan significantly reduced the number of coal plants in the pipeline and incorporated Nguy Thi's recommendation to increase renewable energy — such as wind, solar, and biomass — to 21 % of the total energy plan by 2030.

Vegetation biomass, productivity, and the competitive abilities of different plant types are all influenced by climate and atmospheric CO2.

changes in plant canopy caused by shifts in plant biomass production associated with moisture regime;