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Fish assemblage compositions after implementation of the IndVal method on the Narew River system

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  • Penczak, T.

Abstract

Indicator species index (IndVal) was used as a new method for an already published study, and allowed of a more convincing way of fish assemblages characterization in a large river system. Three sites clusters (AB, CD, EF) were distinguish using the self-organizing map (SOM, Artificial neural network algorithm) in the lowland Narew River system, which comprised the most characteristic species of the total of 36 present. AB included Pungitius pungitius, Barbatula barbatula, Gasterosteus aculeatus and Gobio gobio (natural and slightly modified sites from small rivers), EF included Leuciscus idus, Perca fluviatilis, Rutilus rutilus, Blicca bjoerkna, Esox lucius, Lota lota and Alburnus alburnus (sites from the main channel and lower courses of biggest tributaries, and CD without characteristic species (containing sites from small and large river ditches impacted by pollution, engineering and both). The IndVal method applied here gives precise and accurate information on fish species habitat preferences.

Suggested Citation

  • Penczak, T., 2009. "Fish assemblage compositions after implementation of the IndVal method on the Narew River system," Ecological Modelling, Elsevier, vol. 220(3), pages 419-423.
    • Handle: RePEc:eee:ecomod:v:220:y:2009:i:3:p:419-423
    DOI: 10.1016/j.ecolmodel.2008.11.005
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    References listed on IDEAS

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    1. Kruk, A. & Lek, S. & Park, Y.-S. & Penczak, T., 2007. "Fish assemblages in the large lowland Narew River system (Poland): Application of the self-organizing map algorithm," Ecological Modelling, Elsevier, vol. 203(1), pages 45-61.
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    1. Penczak, Tadeusz, 2011. "Fish assemblages composition in a natural, then regulated, stream: A quantitative long-term study," Ecological Modelling, Elsevier, vol. 222(13), pages 2103-2118.
    2. Dukowska, Małgorzata & Grzybkowska, Maria & Kruk, Andrzej & Szczerkowska-Majchrzak, Eliza, 2013. "Food niche partitioning between perch and ruffe: Combined use of a self-organising map and the IndVal index for analysing fish diet," Ecological Modelling, Elsevier, vol. 265(C), pages 221-229.
    3. Penczak, T. & Głowacki, Ł. & Kruk, A. & Galicka, W., 2012. "Implementation of a self-organizing map for investigation of impoundment impact on fish assemblages in a large, lowland river: Long-term study," Ecological Modelling, Elsevier, vol. 227(C), pages 64-71.
    4. Stojkovic, Milica & Simic, Vladica & Milosevic, Djuradj & Mancev, Dejan & Penczak, Tadeusz, 2013. "Visualization of fish community distribution patterns using the self-organizing map: A case study of the Great Morava River system (Serbia)," Ecological Modelling, Elsevier, vol. 248(C), pages 20-29.

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