Underwater photosynthesis of submerged plants - recent advances and methods

被引:248
作者
Pedersen, Ole [1 ,2 ,3 ]
Colmer, Timothy D. [3 ]
Sand-Jensen, Kaj [1 ]
机构
[1] Univ Copenhagen, Freshwater Biol Lab, Dept Biol, DK-3400 Hillerod, Denmark
[2] Univ Western Australia, Inst Adv Studies, Crawley, WA, Australia
[3] Univ Western Australia, Sch Plant Biol, Crawley, WA, Australia
基金
澳大利亚研究理事会;
关键词
flooding tolerance; light extinction; carbon dioxide; wetland plants; photorespiration; FRESH-WATER MACROPHYTES; LEAF GAS FILMS; INORGANIC CARBON; LOBELIA-DORTMANNA; TEMPERATURE RESPONSES; AQUATIC MACROPHYTES; OXYGEN DYNAMICS; CHARA-CORALLINA; CO2; ENRICHMENT; ELEVATED CO2;
D O I
10.3389/fpls.2013.00140
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
We describe the general background and the recent advances in research on underwater photosynthesis of leaf segments, whole communities, and plant dominated aquatic ecosystems and present contemporary methods tailor made to quantify photosynthesis and carbon fixation under water. The majority of studies of aquatic photosynthesis have been carried out with detached leaves or thalli and this selectiveness influences the perception of the regulation of aquatic photosynthesis. We thus recommend assessing the influence of inorganic carbon and temperature on natural aquatic communities of variable density in addition to studying detached leaves in the scenarios of rising CO2 and temperature. Moreover, a growing number of researchers are interested in tolerance of terrestrial plants during flooding as torrential rains sometimes result in overland floods that inundate terrestrial plants. 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.
引用
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页数:19
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