NALT

Preferred term

photosynthetically active radiation

Topic

That portion of the electromagnetic spectrum that is the energy source utilized for photosynthesis and generally coincides with the visible light spectrum (approximately 400-700 nm). PAR is characterized by the greater absorption of the blue light and red light wavelengths by pigments.

light

PAR (photosynthetically active radiation)
photosynthetic active radiation

Field 001 in MARC Authority Format

51879

Spanish

radiación fotosintéticamente activa
radiación fotosintética activa
RFA (radiación fotosintéticamente activa)

URI

https://lod.nal.usda.gov/nalt/69904

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Created 5/5/06, last modified 12/6/17