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How Functional Traits of Submerged Macrophytes Response to Underwater Light Quality? by Xueyuan Gao; Han Liu; Guihua Liu; Wenmin Huang; Wei Xing is a Environmental Science article available to read on EtoBox.

What is How Functional Traits of Submerged Macrophytes Response to Underwater Light Quality? about?

Eutrophication of water bodies causes the disappearance of submerged macrophytes and frequent blooms of phytoplankton, which leads to changes in the underwater light environment in the aspect of light intensity and light quality. However, compared with underwater light intensity, only few studies have been concentrated in the effect of light quality on submerged macrophytes. The effect of light quality on plants is heterogeneous, and there are two absorption peaks in red and blue wavelengths. Thus, we carried out a mesocosm experiment to study the effects of a series of red and blue light ratios (red/ blue light ratio = 1/8, 1/4, 1/1, 4/1, and 8/1) on two submerged macrophyte species, Hydrilla verticillata and Vallisneria natans. We hypothesized that functional traits (growth strategy, morphological, photosynthetic, and nutritional traits) of submerged macrophytes will be modified by different red/blue light ratios. With the increase of red/blue light ratio, plant height of the two submerged macrophytes decreased, while tillers number increased. We could not completely verify our hypothesis, but we found speciesspecific differences. The leaf area of H. verticillata under 8/1 red/bl

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Author

Xueyuan Gao; Han Liu; Guihua Liu; Wenmin Huang; Wei Xing

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)