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Recovery From The Impact Of Light Reduction On The Seagrass Amphibolis Griffithii, Insights For Dredging Management, Kathryn Mcmahon, Paul Lavery, Michael Mulligan
Recovery From The Impact Of Light Reduction On The Seagrass Amphibolis Griffithii, Insights For Dredging Management, Kathryn Mcmahon, Paul Lavery, Michael Mulligan
Research outputs 2011
A large-scale, manipulative experiment was conducted to examine the extent and rate of recovery of meadows of the temperate Australian seagrass, Amphibolis griffithii to different light-reduction scenarios typical of dredging operations, and to identify potential indicators of recovery from light reduction stress. Shade cloth was used to mimic different intensities, durations and start times of light reduction, and then was removed to assess the recovery. The meadow could recover from 3 months of light stress (5–18% ambient) following 10 months re-exposure to ambient light, even when up to 72% of leaf biomass was lost, much faster recovery rates than has …