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Transcript of ESS Productivity
the act of producing; creation; manufacture. Productivity Primary Secondary Biomass the mass of organic material in organisms or ecosystems, usually per unit area. Sometimes the term "dry weight biomass" is used where mass is measured after the removal of water. Water is not organic material and inorganic material is usually relatively insignificant in terms of mass. productivity in plants productivity in animals Assimilation the total process of plant nutrition, including photosynthesis and the absorption of raw materials. Respiration
process involving the breaking down of foods often in the form of glucose to release energy Gross Productivity total gain in energy or biomass per unit area per unit time Net Productivity
the gain in energy or biomass per unit area per unit time that remains after deductions due to respiration
(GPP) Gross Primary Productivity
the total gain in energy or biomass per unit area per time by green plants (NPP) Net Primary Productivity total gain in energy or biomass per unit area per unit time by green plants after allowing for losses to respiration the total gain in energy or biomass per unit area per unit time by consumers through absorption (GSP) Gross Secondary Productivity (NSP) Net Secondary Productivity the total gain in energy or biomass per unit area per unit time by consumers after allowing for losses to respiration the quality, state, or fact of being able to generate, create, enhance, or bring forth goods and services: The productivity of the group's effort surprised everyone.