Author
Listed:
- Kunlun Wang
(Beijing Municipal Research Institute of Environmental Protection, Beijing 100037, China)
- Qian Hu
(College of Resource Environment and Tourism, Capital Normal University, Beijing 100048, China)
- Yumin Wei
(College of Resource Environment and Tourism, Capital Normal University, Beijing 100048, China)
- Hui Yin
(College of Resource Environment and Tourism, Capital Normal University, Beijing 100048, China)
- Changhong Sun
(Beijing Municipal Research Institute of Environmental Protection, Beijing 100037, China
National Urban Environmental Pollution Control Engineering Research Center, Beijing 100037, China)
- Guizhong Liu
(Beijing Municipal Research Institute of Environmental Protection, Beijing 100037, China
National Urban Environmental Pollution Control Engineering Research Center, Beijing 100037, China)
Abstract
The emergent plants may differ in their capacity to assimilate nutrients from eutrophic water bodies, so the utilization of suitable emergent plants is the key part for successful restoration of shallow eutrophic lakes and rivers. This research applied the depletion method to study the kinetics of uptake of nutrient ( H 2 PO 4 − , NH 4 + , NO 3 − ) in different nutrient stresses by the five emergent aquatic plants ( Acorus calamus L., Typha orientalis, Lythrum salicaria L., Sagittaria trifolia L., Alisma plantago-aquatica Linn) in the riverine zones of Dashi River (39°30′–39°40′ N, 115°59′–116°5′ E), a shallow eutrophic river located in Fangshan District, Beijing. The results showed that at the three phosphorus levels, A. calamus and A. plantago-aquatica had the highest maximum uptake rate values for NH 4 + under low to moderate phosphorus conditions, and high phosphorus, respectively. T. orientalis had the highest maximum uptake rate values for NO 3 − at all phosphorus concentrations, while the Michaelis-Menten constant values of L. salicaria and A. plantago-aquatica were smaller. At the three nitrogen levels, the maximum uptake rate values for H 2 PO 4 − were the greatest for A. plantago-aquatica at the low to moderate nitrogen levels and L. salicaria at high levels. Meanwhile, T. orientalis and L. salicaria had the smallest Michaelis-Menten constant values. In this study, nitrogen microbial transformations, such as nitrification, denitrification and their coupling were not measured and their role in measuring kinetics was not assessed. Thus, achieved results shall be considered as a synthesis of several processes mediated by plants, a theoretical guidance to the selection of plant species for phytoremediation of polluted water bodies with different nutrient stresses for quality improvement around the diverse rivers in Haihe River basin.
Suggested Citation
Kunlun Wang & Qian Hu & Yumin Wei & Hui Yin & Changhong Sun & Guizhong Liu, 2021.
"Uptake Kinetics of \({\text{NH}_{4}^{+} }\), \({\text{NO}_{3}^{-} }\) and \({\text{H}_{2}\text{PO}_{4}^{-} }\) by Typha orientalis , Acorus calamus L., Lythrum salicaria L., Sagittaria trifolia L. and,"
Sustainability, MDPI, vol. 13(1), pages 1-14, January.
Handle:
RePEc:gam:jsusta:v:13:y:2021:i:1:p:434-:d:475129
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