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Photochemical efficiency of amphibious plants in an intermittent lake
Kržič, N.S.; Gaberščik, A. (2005). Photochemical efficiency of amphibious plants in an intermittent lake. Aquat. Bot. 83(4): 281-288
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

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    Aquatic plants; Lakes; Photochemical reactions; Fresh water

Authors  Top 
  • Kržič, N.S.
  • Gaberščik, A.

    During the six month dry period in the intermittent lake Cerknica in 2003, fluorescence parameters in 14 amphibious plants were measured to estimate the possible disturbance to photosystem II. Environmental changes due to intermittence caused no evident irreversible damage, since the potential photochemical efficiency of the majority of species and forms remained close to the optimal value at 0.83. Actual photochemical efficiency varied, showing different levels of temporary stress. Sudden submergence of aerial forms caused little disturbance to PS II. The results revealed the acclimation of plants thriving in intermittent habitats that enabled continuous harvesting of solar energy.

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