Biomass

biomass The total weight of living tissue in a community.
biome A large-scale grouping that includes many communities of a similar nature.

Biomass. The total dry weight of all organisms in a particular sample, population, or area.
Bioremediation. The use of microorganisms to remedy environmental problems. See Bioaugmentation, Bioenrichment.

biomass
[Gk. bios, life]
The dry weight of organic matter comprising a group of organisms in a particular habitat.
biome ...

Biomass: The amount of living material per unit area or volume; may be expressed as grams of carbon, total dry weight, and so on.

[edit] Biomass production
Primary production is generation of biomass through photosynthesis. The highest producers of biomass are ...

Biomass. See Standing crop
Blood pigment. A molecule used by an organism to transport oxygen efficiently, usually in a circulatory system (e.g., hemoglobin) ...

biomass pyramid A metaphor or diagram that explains the relationship between the amounts of biomass at different trophic levels.

the biomass of the community increases. This is the outcome of the increasing amount of
net productivity — calories stored by the plant community.
This, in turn, provides calories for a larger community of consumers.

Lower biomass and productivity per hectare
Effect on Nitrogen Cycle
Growth in human population is increasing the demand for agriculture ...

Greater biomass normally indicates greater productivity. In a grassland that's true. It's not true in all ecosystems. The relationships are complex, and it doesn't need to indicate greater stability.

At this steady state the concentration of organisms, measured as biomass, remains quite stable as does the concentration of residual (unused) nutrient. Numbers can change somewhat due to changes in the size of individuals.

By some estimates, microbes make up about 60% of the Earth's biomass, yet less than 1% of microbial species have been identified. Microbes play a critical role in natural biogeochemical cycles.

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Some of the captured energy is used to produce biomass to sustain life and provide energy for its growth and development. The majority of the rest of this energy is lost as heat and waste molecules.

Excess output occurs when biomass is suddenly released, such as in slash and burn agriculture. Excess input commonly occurs from agricultural increase in organic fertilizer and other nutrients into an ecosystem.

A term of measurement used to measure biomass, as opposed to fresh mass.

See also: Environment, Organ, Plant, Animal, Species