IJESD 2016 Vol.7(8): 605-610 ISSN: 2010-0264
doi: 10.18178/ijesd.2016.7.8.848
doi: 10.18178/ijesd.2016.7.8.848
Development of an Ecological Dynamic Model for a Duckweed-Donated Urban Eutrophic Wetland
Z. M. Li, Y. X. Liu, B. Q. Dong, and Y. W. Zhao
Abstract—An ecological dynamic model based on
phosphorus cycling of ecosystem was developed for Hanshiqaio
wetland in North China. The state variables include dissolved
inorganic phosphorus (P), duckweed (FP), submerged plant
(SP), phytoplankton (A), zooplankton (Z), detritus (D) and
dissolved inorganic phosphorus in pore water (PPP). In this
study, a sub-model of duckweed was developed and integrated
with other sub-models of submerged plants and phytoplankton
into one comprehensive model. This model was calibrated and
validated based on the data of three types of water areas with
different ecological conditions. The simulation value and
observation value agree well. This model is then used to
evaluate the effects of ecological restoration methods. Three
ecological restoration methods were set to predict the trend of P
concentrations following the change of controlling methods for
duckweed. We should harvest all duckweed before August and
introduce duckweed into wetland after August to achieve better
effect of ecological restoration. The model provides theoretical
guidance and technical support for wetland ecological
restoration.
Index Terms—Duckweed, ecological dynamic model, phosphorus cycling, urban wetland.
The authors are with State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, China (e-mail: tjlzm@mail.bnu.edu.cn, yanxialiu1006@163.com, lindadbq@163.com, awei1974@bnu.edu.cn).
Index Terms—Duckweed, ecological dynamic model, phosphorus cycling, urban wetland.
The authors are with State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, China (e-mail: tjlzm@mail.bnu.edu.cn, yanxialiu1006@163.com, lindadbq@163.com, awei1974@bnu.edu.cn).
Cite: Z. M. Li, Y. X. Liu, B. Q. Dong, and Y. W. Zhao, "Development of an Ecological Dynamic Model for a Duckweed-Donated Urban Eutrophic Wetland," International Journal of Environmental Science and Development vol. 7, no. 8, pp. 605-610, 2016.
General Information
- ISSN: 2010-0264 (Print); 2972-3698 (Online)
- Abbreviated Title: Int. J. Environ. Sci. Dev.
- Frequency: Bimonthly
- DOI: 10.18178/IJESD
- Editor-in-Chief: Prof. Richard Haynes
- Managing Editor: Ms. Cherry L. Chen
- Indexing: Scopus (CiteScore 2022: 1.4), Google Scholar, CNKI, ProQuest, EBSCO, etc.
- E-mail: ijesd@ejournal.net
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