Exploration of an urban lake management model to simulate chlorine interference based on the ecological relationships among aquatic species

Scientific Reports
Zhiqiang YanBeicheng Xia

Abstract

In eutrophic lakes, algae are known to be sensitive to chlorine, but the impact of chlorine on the wider ecosystem has not been investigated. To quantitatively investigate the effects of chlorine on the urban lake ecosystem and analyze the changes in the aquatic ecosystem structure, a dynamic response model of aquatic species to chlorine was constructed based on the biomass density dynamics of aquatic species of submerged macrophytes, phytoplankton, zooplankton, periphyton, and benthos. The parameters were calibrated using data from the literature and two simulative experiments. The model was then validated using field data from an urban lake with a surface area of approximately 8000 m2 located in the downtown area of Guangzhou, South China. The correlation coefficient (R), root mean square error-observations standard deviation ratio (RSR) and index of agreement (IOA) were used to evaluate the accuracy and reliability of the model and the results were consistent with the observations (0.446 R < 0.985, RSR < 0.7, IOA > 0.6). Comparisons between the simulated and observed trends confirmed the feasibility of using this model to investigate the dynamics of aquatic species under chlorine interference. The model can help managers app...Continue Reading

References

May 16, 1998·Environmental Management·D S Slocombe
May 11, 2007·Journal of Environmental Management·Jan-Tai KuoWei-Shin Jou
Jul 4, 2008·Journal of Environmental Sciences (China)·Jingqiao MaoYongcan Chen
Mar 17, 2015·Journal of Environmental Management·Hui LiuHuaicheng Guo

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Software Mentioned

PAMOLARE
AQUATOX
WASP
CAEDYM

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