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Internal transport of gases is crucial for vascular plants inhabiting aquatic, wetland, or flood-prone environments. Direct exchange of O 2 between submerged tissues and the environment is strongly impeded; O 2 diffusivity in water is approximately 10 000 times slower than in air.
We propose to undertake studies to elucidate the importance of leaf acclimation of terrestrial plants to facilitate gas exchange and light utilization under water as these acclimations influence underwater photosynthesis as well as internal aeration of plant tissues during submergence.
Aquatic respiration is the process whereby an aquatic organism exchanges respiratory gases with water, obtaining oxygen from oxygen dissolved in water and excreting carbon dioxide and some other metabolic waste products into the water.
10 gru 2007 · Gas films on submerged leaves enable continued gas exchange via stomata and thus bypassing of cuticle resistance, enhancing exchange of O 2 and CO 2 with the surrounding water, and therefore underwater P N and respiration.
18 mar 2019 · Gas exchange across the air–water interface drives the flux of climate-relevant gases and is critical for biogeochemical processes in aquatic ecosystems.
5 kwi 2012 · chap. xx gaseous exchange in water plants; chap. xxi absorption of water and transpiration current in hydrophytes; chap. xxii the influence of certain physical factors in the life of water plants; chap. xxiii the ecology of water plants; part iv the study of water plants from the phylogenetic and evolutionary standpoints
1 sty 2013 · Underwater photosynthesis in some wetland species is enhanced by gas films on superhydrophobic leaf surfaces. Leaf gas films also increase night-time O 2 uptake by submerged plants.
