Population growth potential of rotifers from a high altitude eutrophic waterbody, Madín reservoir (State of Mexico, Mexico): The importance of seasonal sampling

Rotifer growth potential

Submitted: 11 April 2018
Accepted: 25 June 2018
Published: 27 June 2018
Abstract Views: 1363
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To understand the population growth potential of different species of rotifers in nature, field collections through seasons are essential. We sampled zooplankton (and measured selected physicochemical variables) from the Madín reservoir, a high altitude eutrophic urban waterbody from Mexico, every month for a year. Qualitative analysis of zooplankton revealed 28 rotifer species and four cladoceran crustaceans plus one unidentified copepod. Cephalodella catellina (1400 ind L-1), Horaella thomassoni (550 ind L-1), Conochilus dossuarius (380 ind L-1) and Filinia longiseta (25 ind L-1) had higher peak density than other rotifers. Based on the concentrations of nitrates and phosphates, chlorophyll a levels or different diversity indices (e.g., Carlson, Shannon-Wiener, Pantle and Buck, Ejsmont-Karabin’s TSIRot), the waterbody is eutrophic to hypertrophic, depending on the season. In this waterbody we observed high densities of Aphanothece sp. which is a toxic picocyanobacterium. During the blooms of Aphanothece, we also recorded higher densities of H. thomassoni and C. catellina. Based on the gut contents we found that both these rotifer species feed on Aphanothece in this waterbody. This study thus suggests the potential growth of Horaella, Cephalodella, Conochilus and Filinia in this eutrophic reservoir containing blooms of Aphanothece.



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CONACyT Mexico

How to Cite

Moreno-Gutiérrez, Rosa Martha, S.S.S. Sarma, Alma Socorro Sobrino-Figueroa, and S. Nandini. 2018. “Population Growth Potential of Rotifers from a High Altitude Eutrophic Waterbody, Madín Reservoir (State of Mexico, Mexico): The Importance of Seasonal Sampling: Rotifer Growth Potential”. Journal of Limnology 77 (3). https://doi.org/10.4081/jlimnol.2018.1823.

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