Photosynthetic pathways in freshwater aquatic plants
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Abstract
Recent studies show that generalizations about photosynthetic pathways, derived from terrestrial plant studies, do not apply to aquatic plants. Crassulacean acid metabolism (CAM) photosynthesis is of selective value not only in arid environments, where it enhances water-use efficiency, but also in aquatic plants of oligotrophic waters, where it enhances competitive ability in carbon acquisition. C4 photosynthesis is present in many aquatic species, but in these species it is not coupled with the specialized anatomy of terrestrial C4 plants. The ratio of the stable carbon isotopes, 13C/12C, in the biomass of terrestrial plants is a marker of their photosynthetic pathway. In aquatic environments, additional resistances to carbon-isotope fractionation make this technique of limited use in detecting photosynthetic pathways.
Suggested Citation
Keeley, J., 1990, Photosynthetic pathways in freshwater aquatic plants: Trends in Ecology and Evolution, v. 5, no. 10, p. 330-333, https://doi.org/10.1016/0169-5347(90)90180-L.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Photosynthetic pathways in freshwater aquatic plants |
| Series title | Trends in Ecology and Evolution |
| DOI | 10.1016/0169-5347(90)90180-L |
| Volume | 5 |
| Issue | 10 |
| Year Published | 1990 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Western Ecological Research Center |
| Description | 4 p. |
| First page | 330 |
| Last page | 333 |