Modelling Microcystis aeruginosa bloom dynamics in the Nakdong River by means of evolutionary computation and statistical approach

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@Article{jeongGP1,

• author = "Kwang-Seuk Jeong and Dong-Kyun Kim and Peter Whigham and Gea-Jae Joo",
• title = "Modelling Microcystis aeruginosa bloom dynamics in the Nakdong River by means of evolutionary computation and statistical approach",
• journal = "Ecological Modelling",
• year = "2003",
• volume = "161",
• number = "1-2",
• pages = "67--78",
• month = "1 " # mar,
• keywords = "genetic algorithms, genetic programming, Multivariate linear regression, Microcystis aeruginosa, Algal blooms, Ecological modelling, Nakdong River",
• URL = "http://www.business.otago.ac.nz/infosci/SIRC/PeterW/Publications/Jeong_EcolMod_V161_Is_1_2_pg67_78.pdf",
• URL = "http://www.sciencedirect.com/science/article/B6VBS-47VRMKR-4/2/816a2fac74d51d8caefedf1f9c2055b0",
• DOI = "doi:10.1016/S0304-3800(02)00280-6",
• size = "12 pages",
• abstract = "Dynamics of a bloom-forming cyanobacteria (Microcystis aeruginosa) in a eutrophic river?reservoir hybrid system were modelled using a genetic programming (GP) algorithm and multivariate linear regression (MLR). The lower Nakdong River has been influenced by cultural eutrophication since construction of an estuarine barrage in 1987. During 1994?1998, the average concentrations of nutrients and phytoplankton were: NO3-?N, 2.7 mg l-1; NH4+?N, 0.6 mg l-1; PO43-?P, 34.7 g l-1; and chlorophyll a, 50.2 g l-1. Blooms of M. aeruginosa occurred in summers when there were droughts. Using data from 1995 to 1998, GP and MLR were used to construct equation models for predicting the occurrence of M. aeruginosa. Validation of the model was done using data from 1994, a year when there were severe summer blooms. GP model was very successful in predicting the temporal dynamics and magnitude of blooms while MLR resulted rather insufficient predictability. The lower Nakdong River exhibits reservoir-like ecological dynamics rather than riverine, and for this reason a previous river mechanistic model failed to describe uncertainty and complexity. Results of this study suggest that an inductive-empirical approach is more suitable for modelling the dynamics of bloom-forming algal species in a river?reservoir transitional system.",
• notes = "a Department of Biology, Pusan National University, Jang-Jeon Dong, Gum-Jeong Gu, Busan 609-735, South Korea b Department of Information Science, University of Otago, PO Box 56, Dunedin, New Zealand",

}

Genetic Programming entries for Kwang-Seuk Jeong Dong-Kyun Kim Peter Alexander Whigham Gea-Jae Joo

Citations