from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The total mass of living matter within a given unit of environmental area.
- n. Plant material, vegetation, or agricultural waste used as a fuel or energy source.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The total mass of all living things within a specific area, habitat etc.
- n. Vegetation used as a fuel, or source of energy, especially if cultivated for that purpose.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. plant materials and animal waste used as fuel
- n. the total mass of living matter in a given unit area
The term biomass is most often encountered in discussions of sources of energy, as biomass can be used to supply energy needs directly (as fuel wood, for example) or indirectly (by being converted to alcohol; see gasohol).
I recall seeing some study last year from the Smoky Mountains research site that found only a 20% increase in biomass of the trees that they studied, which was about half of what they had predicted in the model.
Peter + Maria Hoey When biomass is used in making plastic, it replaces petroleum products as an ingredient, thus reducing demand for carbon-laden fossil fuels.
BASF When biomass is used in making plastic, it replaces petroleum products as an ingredient, reducing demand for carbon-laden fossil fuels.
More autotroph biomass is just going to provide more organic material for heterotrophs.
The current spawning stock biomass is 120 million pounds, or 61 million fish.
Ethanol from biomass is the only true C02-neutral fuel.
“The United State desperately needs a liquid fuel replacement for oil in the near future,” says Pimentel, “but producing ethanol or biodiesel from plant biomass is going down the wrong road, because you use more energy to produce these fuels than you get out from the combustion of these products.”
The demand for wood biomass is expected to increase with the newly agreed upon northeast states Kyoto like compact.
Growth in biomass could put US on road to energy independence