Sentences with phrase «forest wood biomass»

Not exact matches

Many materials can sustain a smouldering reaction, including coal, tobacco, wood, biomass fuels on the forest surface (duff) and subsurface (peat), cotton clothing and string, and polymeric foams (e.g. upholstery and bedding materials).

«By extracting wood from unmanaged forest and bringing these forests under production, humans released carbon into the atmosphere that would otherwise be stored in the biomass, litter, dead wood, and soil of the forest,» Naudts said.

The study, published in Environmental Research Letters, reveals that in these forests dead wood can make up to 64 per cent of the biomass, the biological material found above ground.

In untouched forests, dead wood is created through natural processes and makes up less than 20 per cent of the total aboveground biomass.

«I was surprised by how much of the biomass dead wood accounted for in badly logged forests,» said lead author Dr Marion Pfeifer from the Department of Life Sciences at Imperial.

«However, because of their efficiency in degrading wood, brown rot fungi have come to dominate, particularly in degrading softwoods,» Goodell says, and they now dominate by recycling approximately 80 percent of the softwood biomass carbon in the world, found mostly in the great forests of the northern hemisphere.

«Biomass is sustainably sourced from low - value wood fiber, and from by - products and residues of other forest products industries,» Ginther added.

«Forests in the United States are robust and sustainably managed, and climate science has consistently and clearly documented the carbon benefits of utilizing forest biomass for energy production,» Senator Susan Collins (R — ME), said on the Senate floor on 3 February, a day after lawmakers approved her amendment adding the wood - burning provision to the energy bill.

In fact, dead wood comprises up to 64 percent of the biomass found in these tropical forests; whereas in untouched forests, dead wood makes up less than 20 percent of the total aboveground biomass.

Lack of fuel wood and use of poor biomass materials as alternative energy sources has aggravated forest destruction.

A truly sustainable forest products operation, possibly, since they would deplete no wood if there biomass was kept constant, their energy - mostly generated from their own wood waste - would also be sustainable, and they would have a negative input of carbon dioxide.

The American Lung Association does not support biomass combustion for electricity production, a category that includes wood, wood products, agricultural residues or forest wastes, and potentially highly toxic feedstocks, such as construction and demolition waste.

We are blessed with abundant wood resources that provide more than 2/3 of all potentially available biomass, including forest residue from timber harvests and forest thinning that improves forest health by reducing fuel loads on eastside dry land forests.

In addition the logging to supply the wood biomass destroys the capacity of the forest to store and absorb carbon.

Manomet's interest, as study leader, is to advance society's understanding of using wood biomass energy, and not to promote or discourage forest biomass energy.

Mabee and Saddler (2007) reviewed a number of regional and global outlook studies on forest fibre availability to determine the renewable global supply of forest biomass for wood energy production.

Many countries have no clear perception of the amount of biomass that can be collected from ongoing forest operations, and have never assessed the full potential of wood residues for energy generation.

They concluded that increased demand for wood energy in industrialized countries will have a significant impact on the amount of available excess forest biomass, taking between 10 and

Supply and demand of traditional biomass, liquid cellulosic biofuels, residues from the forest industry and other forms of wood energy will be affected differently by different factors across developed and developing countries.

This type of forest has large volumes of biomass that can not be used by traditional wood - processing industries, which represent a potential source for energy generation.

Most forest biomass used for energy in these countries is recovered from indirect sources, including black liquor from wood pulping and other wood residues (Steierer et al., 2007).

«They've convinced certain legislators in Congress to vote for legislation written by biomass industry lobbyists that would force EPA to treat tree - burning power plants as if they have zero carbon emissions, claiming that as long as US forest stocks are stable or growing by any amount, this offsets the carbon pollution pouring from the smokestacks of wood - burning power plants.»

In order for biomass to be carbon neutral, you'd have to actually increase the amount of carbon being sucked out of the atmosphere by forests by an amount commensurate with the total net emissions created by chopping down a carbon sink and then adding a slew of new emissions by burning wood for energy.

As vast forests spread across the land living biomass increased by orders of magnitude, pulling down carbon as CO2 from the atmosphere to make wood.

It is equally distressing that forests and other sources of wood and other biomass are allowed to literally walk away when they are so badly needed to hold the soil, reduce erosion, and feed and protect the animals that have long made it their homes.

Environmental Protection Agency Administrator Scott Pruitt recently told a group of forestry executives and students that from now on the US government would consider burning wood to generate electricity, commonly known as forest or woody biomass, to be «carbon neutral.»

Estimates made for Global Forest Resources Assessment 2010 (FRA 2015) show that the world's forests and other wooded lands store more than 485 gigatonnes (1 Gt = 1 billion tonnes) of carbon, 260 Gt in the biomass (53 percent), 37 Gt in dead wood and litter (8 percent) and 189 Gt in soil (39 percent).

For example, methane is emitted from rice fields, which are of course wetlands, and methane is emitted from biomass burning, either from burning of forest areas for cultivation or the use of wood in furnaces.

Right now, several companies are producing wood pellets — a form of biomass energy that is burned in European power plants — out of trees from clear - cut forests in the American South.