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

https://doi.org/10.4081/jlimnol.2018.1823

Authors

  • Rosa Martha Moreno-Gutiérrez Universidad Autónoma Metropolitana, Programa de Doctorado en Ciencias Biológicas y de la Salud, Mexico.
  • S.S.S. Sarma | sarma@unam.mx Universidad Nacional Autónoma de México, Laboratorio de Zoología Acuática, Mexico. https://orcid.org/0000-0003-2820-1579
  • Alma Socorro Sobrino-Figueroa Universidad Autónoma Metropolitana, Programa de Doctorado en Ciencias Biológicas y de la Salud, Mexico.
  • S. Nandini Universidad Nacional Autónoma de México, Laboratorio de Zoología Acuática, Mexico.

Abstract

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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Published
2018-06-27
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Issue
Section
Original Articles
Supporting Agencies
CONACyT Mexico
Keywords:
Population dynamics, trophic state, Rotifera, species diversity, nutrients, chlorophyll-a
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How to Cite
1.
Moreno-Gutiérrez RM, Sarma S, Sobrino-Figueroa AS, Nandini S. 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. J Limnol [Internet]. 2018 Jun. 27 [cited 2021 Oct. 19];77(3). Available from: https://jlimnol.it/index.php/jlimnol/article/view/jlimnol.2018.1823

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