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Simulation model of phosphorus dynamics of an eutrophic impoundment – East Calcutta Wetlands, a Ramsar site in India

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  • Mandal, Sudipto
  • Roy Goswami, Abhishek
  • Mukhopadhyay, Subhra Kumar
  • Ray, Santanu

Abstract

The East Calcutta Wetlands is one of the largest wastewater-fed aquaculture in the world. It is the aggregation of salt marshes, salt meadows and wastewater-fed ponds that receive wastewater from various small and large scale industries and urban settlements. The available nutrient supports the grazing food chain of the wetland ecosystem and agriculture around it. Eutrophication is caused by the imbalance between nutrient load and utilization by the autotrophs in the system. In this wetland, there has been a gradual decrease in the fish production for the last few decades. The physical and chemical conditions of the system are deteriorating continuously. Therefore, modelling of the system is felt to be the need of the hour to mitigate the problem of eutrophication and identify the important parameters that govern the system dynamics.

Suggested Citation

  • Mandal, Sudipto & Roy Goswami, Abhishek & Mukhopadhyay, Subhra Kumar & Ray, Santanu, 2015. "Simulation model of phosphorus dynamics of an eutrophic impoundment – East Calcutta Wetlands, a Ramsar site in India," Ecological Modelling, Elsevier, vol. 306(C), pages 226-239.
    • Handle: RePEc:eee:ecomod:v:306:y:2015:i:c:p:226-239
    DOI: 10.1016/j.ecolmodel.2014.07.008
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    References listed on IDEAS

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    1. Chen, G.Q. & Zeng, L. & Wu, Z., 2010. "An ecological risk assessment model for a pulsed contaminant emission into a wetland channel flow," Ecological Modelling, Elsevier, vol. 221(24), pages 2927-2937.
    2. Zeng, L. & Wu, Y.H. & Ji, P. & Chen, B. & Zhao, Y.J. & Chen, G.Q. & Wu, Z., 2012. "Effect of wind on contaminant dispersion in a wetland flow dominated by free-surface effect," Ecological Modelling, Elsevier, vol. 237, pages 101-108.
    3. Xu, F. & Yang, Z.F. & Chen, B. & Zhao, Y.W., 2011. "Ecosystem health assessment of the plant-dominated Baiyangdian Lake based on eco-exergy," Ecological Modelling, Elsevier, vol. 222(1), pages 201-209.
    4. Xu, F. & Yang, Z.F. & Chen, B. & Zhao, Y.W., 2013. "Impact of submerged plants on ecosystem health of the plant-dominated Baiyangdian Lake, China," Ecological Modelling, Elsevier, vol. 252(C), pages 167-175.
    5. Mandal, Sudipto & Ray, Santanu & Ghosh, Phani Bhusan, 2009. "Modelling of the contribution of dissolved inorganic nitrogen (DIN) from litterfall of adjacent mangrove forest to Hooghly–Matla estuary, India," Ecological Modelling, Elsevier, vol. 220(21), pages 2988-3000.
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    Cited by:

    1. Xu, Zhihao & Yin, Xinan & Yang, Zhifeng & Cai, Yanpeng & Sun, Tao, 2016. "New model to assessing nutrient assimilative capacity in plant-dominated lakes: Considering ecological effects of hydrological changes," Ecological Modelling, Elsevier, vol. 332(C), pages 94-102.
    2. Adhurya, Sagar & Das, Suvendu & Ray, Santanu, 2021. "Simulating the effects of aquatic avifauna on the Phosphorus dynamics of aquatic systems," Ecological Modelling, Elsevier, vol. 445(C).

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