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Bibliographic Details
Main Authors: Léger-Daigle, Romy, Noisette, Fanny, Bélanger, Simon, Cusson, Mathieu, Nozais, Christian
Format: Dataset Open Access
Language:en
Published: PANGAEA 2022
Subjects:
Absorption factor, photosynthetic; Absorption factor, total; Acclimation; Calculated; Chamber number; DATE/TIME; East_Rimouski; Eelgrass; Experiment day; Hand picking; Laboratory experiment; light intensity; PAM fluorometry; photophysiology; Quebec, Canada; Replicate; Species; Specimen identification; subarctic; Temperature, water; Treatment: light intensity; Type of study; Uniform resource locator/link to reference; Zostera marina
Online Access:https://doi.org/10.1594/PANGAEA.943535
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Table of Contents:
  • Eelgrass shoots (Zostera marina) from Rimouski, QC, were exposed in July 2020 to a natural gradient of light intensity, ranging from 6 to 860 µmol photons/m²/s, to assess the species' capacity to respond to light attenuation. After 25 days of light exposure, the fraction of incident visible light absorbed by the leaves (absorptance) was quantified with a Lambda850 (PerkinElmer, USA) spectrophotometer with integrating sphere. Light absorption by the photosynthetic components of the leaves (photosynthetic absorptance) was distinguished from the total absorptance by correcting for the non-photosynthetic absorptance at 750 nm (Cummings and Zimmerman, 2003).

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