TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

photosynthetically active radiation [1 record]

Record 1 2020-09-09

English

Subject field(s)
  • Electromagnetic Radiation
  • Plant Biology
CONT

In the broad sense, photosynthetically active radiation (PAR) is the part of electromagnetic radiation that can be used as the source of energy for photosynthesis by green plants. Technically, it is defined as radiation in the spectral range from 400 to 700 nm ...

OBS

PAR changes seasonally and varies depending on the latitude and time of day.

French

Domaine(s)
  • Rayonnements électromagnétiques
  • Biologie végétale
DEF

Rayonnement dont les longueurs d'onde s'étendent de 400 à 700 nm que les organismes photosynthétiques peuvent utiliser dans le processus de photosynthèse.

Spanish

Campo(s) temático(s)
  • Radiación electromagnética
  • Biología vegetal
DEF

Parte de la energía radiante susceptible de ser capturada por los sistemas fotosintéticos naturales (equivalente aproximadamente al espectro de la luz natural con una longitud de onda entre 400 y 700 nm).

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