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Cold induced mortality of the Burmese Python: An explanation via stochastic analysis

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  • Quansah, Emmanuel
  • Parshad, Rana D.
  • Mondal, Sumona

Abstract

The Burmese python (Python bivitatus) is an invasive species, wreaking havoc on indigenous species in the Florida everglades. Data suggests an exponential growth in their population from 1995 to 2009, with a sharp decline however in 2010–2012 (Dorcas et al., 2012). In Mazzotti et al. (2011) an explanation is provided, citing the unusually cold winter that year, as the primary reason for this decline. We provide a first mathematical model, in the form of a system of stochastic differential equations, that supports the explanation in Mazzotti et al. (2011), by accurately matching the field data presented in Dorcas et al. (2012). More generally, our model provides a tool to predict the population dynamics of rapidly growing alien species, in the advent of climate change.

Suggested Citation

  • Quansah, Emmanuel & Parshad, Rana D. & Mondal, Sumona, 2017. "Cold induced mortality of the Burmese Python: An explanation via stochastic analysis," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 467(C), pages 356-364.
    • Handle: RePEc:eee:phsmap:v:467:y:2017:i:c:p:356-364
    DOI: 10.1016/j.physa.2016.10.015
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    References listed on IDEAS

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    1. Gakkhar, Sunita & Singh, Brahampal, 2005. "Complex dynamic behavior in a food web consisting of two preys and a predator," Chaos, Solitons & Fractals, Elsevier, vol. 24(3), pages 789-801.
    2. Parshad, Rana D. & Kumari, Nitu & Kouachi, Said, 2015. "A remark on “Study of a Leslie–Gower-type tritrophic population model” [Chaos, Solitons and Fractals 14 (2002) 1275–1293]," Chaos, Solitons & Fractals, Elsevier, vol. 71(C), pages 22-28.
    3. P. E. Kloeden & Eckhard Platen, 1992. "Higher-order implicit strong numerical schemes for stochastic differential equations," Published Paper Series 1992-1, Finance Discipline Group, UTS Business School, University of Technology, Sydney.
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    Cited by:

    1. Batabyal, Saikat & Jana, Debaldev & Lyu, Jingjing & Parshad, Rana D., 2020. "Explosive predator and mutualistic preys: A comparative study," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 541(C).

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