Modeling common trends of zooplankton, atherinopsid, and barred splitfin time series in a shallow tropical lake

Salvador Becerra-Muñoz; Héctor R. Buelna-Osben; Juan M. Catalán-Romero

doi:10.1894/0038-4909-61.1.45

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Salvador Becerra-Muñoz,^1,* Héctor R. Buelna-Osben,² Juan M. Catalán-Romero²

¹Pacific States Marine Fisheries Commission, P.O. Box 10, La Grange, CA 95329 (SBM)
²IPN-CIIDIR Michoacán, Justo Sierra 28 Centro, Jiquilpan, Michoacán, 59510, México (HRBO, JMCR)

^*Correspondent: sbecerra@psmfc.org

Abstract

Dynamic factor analysis was used to discern underlying common trends and the effect of physicochemical variables on time series of zooplankton, fish density, and biomass of barred splitfin (Chapalichthys encaustus) and atherinopsids (Chirostoma spp.) from Lake Chapala, Mexico. Strongly coherent trends were identified for the zooplankton and atherinopsid time series. Weakly coherent trends were detected for the barred splitfin time series.

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Salvador Becerra-Muñoz, Héctor R. Buelna-Osben, and Juan M. Catalán-Romero "Modeling common trends of zooplankton, atherinopsid, and barred splitfin time series in a shallow tropical lake," The Southwestern Naturalist 61(1), 45-48, (1 March 2016). https://doi.org/10.1894/0038-4909-61.1.45

Received: 25 March 2015; Published: 1 March 2016

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