A perspective on underwater photosynthesis in submerged terrestrial wetland plants
Background and aims Wetland plants inhabit flood-prone areas and therefore can
experience episodes of complete submergence. Submergence impedes exchange of O2
and CO2 between leaves and the environment, and light availability is also reduced. The
present review examines limitations to underwater net photosynthesis (PN) by terrestrial (ie
usually emergent) wetland plants, as compared with submerged aquatic plants, with focus
on leaf traits for enhanced CO2 acquisition. Scope Floodwaters are variable in dissolved O2 …
experience episodes of complete submergence. Submergence impedes exchange of O2
and CO2 between leaves and the environment, and light availability is also reduced. The
present review examines limitations to underwater net photosynthesis (PN) by terrestrial (ie
usually emergent) wetland plants, as compared with submerged aquatic plants, with focus
on leaf traits for enhanced CO2 acquisition. Scope Floodwaters are variable in dissolved O2 …
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