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In ecology, the term productivity refers to the rate of generation of biomass in an ecosystem, usually expressed in units of mass per volume (unit surface) per unit of time, such as grams per square metre per day (g m−2 d−1). The unit of mass can relate to dry matter or to the mass of generated carbon. The productivity of autotrophs, such as plants, is called primary productivity, while the productivity of heterotrophs, such as animals, is called secondary productivity.[1]
The productivity of an ecosystem is influenced by a wide range of factors, including nutrient availability, temperature, and water availability. Understanding ecological productivity is vital because it provides insights into how ecosystems function and the extent to which they can support life.[2]
- ^ Allaby, Michael, ed. (2006) [1994]. A Dictionary of Ecology (Third ed.). Oxford, UK: Oxford University Press. ISBN 978-0-19-860905-6. Retrieved 2009-12-03.
- ^ US EPA, ORD (2017-11-01). "Ecological Condition". www.epa.gov. Retrieved 2023-04-27.