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Carbon Budgets

For 330 Carbon Budgets/GPP from Chapin 2011

TermDefinition
Allocation Proportional distribution of photosynthetic products or newly acquired nutrients among different organs or functions in a plant.
Biogenic Biologically produced.
Coupling Effectiveness of atmospheric mixing between the canopy and the atmosphere.
Gross primary production Net carbon input to ecosystems, i.e., net photosynthesis expressed at the ecosystem scale (g C m-2 yr-1).
Net primary production Quantity of new plant material produced annually (GPP minus plant respiration); includes new biomass, hydrocarbon emissions, root exudates, and transfers to mycorrhizae.
Respiration Biochemical process that converts carbohydrates into CO2 and water, releasing energy that can be used for growth and maintenance.
Senescence Programmed breakdown of plant tissues.
Shade leaf Leaf that is acclimated to shade or is produced by a plant adapted to shade.
Sun leaf Leaf that is acclimated to high light or Microbial community embedded in a matrix of polysaccharides secreted by bacteria.
Created by: mdcoleman