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Linking Predation Risk, Herbivore Physiological Stress and Microbial Decomposition of Plant Litter
Published on: March 12, 2013
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Species traits and decomposability predict water quality changes during litter submergence
Xu Pan1, Yunmei Ping1, Yukun Hu1
1Institute of Wetland Research, Chinese Academy of Forestry, 100091 Beijing, China; Beijing Key Laboratory of Wetland Services and Restoration, Beijing 100091, China; Beijing Hanshiqiao National Wetland Ecosystem Research Station, Beijing 101309, China.
The Science of the Total Environment
|December 9, 2019
Summary
Plant litter decomposition significantly alters wetland water quality. Litter species traits, like decomposability, predict these changes, offering insights into ecosystem services.
Area of Science:
- Wetland Ecology
- Environmental Chemistry
Background:
- Plant litter is crucial for wetland water quality.
- Predicting water quality changes from litter decomposition remains challenging.
Purpose of the Study:
- To investigate how litter decomposability and species traits affect water quality during submergence.
- To assess the influence of water sources and oxygen levels on these changes.
Main Methods:
- Greenhouse experiment with four submerged plant species.
- Monitoring eight water quality parameters over 10 weeks.
- Varied water sources and oxygen injection treatments.
Main Results:
- Litter submergence significantly altered water quality parameters.
- Water quality changes varied with time, water source, oxygen treatment, and plant species.
- Increased litter carbon and nutrients correlated with higher EC, TDS, TN, ammonium, and nitrite, but lower DO.
- Final mass loss correlated with increased EC, TDS, and TN.
Conclusions:
- Plant species traits, including decomposability, are effective predictors of water quality changes during litter submergence.
- A trait-based approach can link plant diversity to wetland ecosystem services like water quality.
