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Investigating The Effects Of Changes In Light Quality On Different Life History Stages Of Seagrasses, Simone Strydom
Investigating The Effects Of Changes In Light Quality On Different Life History Stages Of Seagrasses, Simone Strydom
Theses: Doctorates and Masters
Seagrass meadows provide crucial ecosystem services to the coastal zone but globally are threatened. Seagrass loss to date has mainly been attributed to anthropogenic activities that reduce light quantity, such as dredging, declining water quality from urban and agricultural run-off and eutrophication. However, light quality (wavelengths of light) is also altered by these anthropogenic stressors as well as natural events. This study consisted of three main components: (1) characterising light quality to which seagrasses are exposed across a local natural estuarine-ocean gradient and with a human impact pressure; (2) the influence of monochromatic light quality (blue λ=451 nm; green λ=522 …