Size structure of freshwater mussel Unionidae Psoronaias crocodilorum on Wetlands Biosphere Reserve of Centla, Mexico

Authors

  • Juan Armando Arévalo de la Cruz Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Luis José Rangel Ruiz Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Jaquelina Gamboa Aguilar Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Joel Montiel Moreno Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Silvia Arias García Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Miguelina García Morales Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Stefan Louis Arriaga Weiss Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México
  • Juan de Dios Valdez Leal Laboratorio de Malacología, División Académica de Ciencias Biológicas. UJAT. km 0.5. Carretera Villahermosa - Cárdenas, Villahermosa Tabasco, 86000. México

Keywords:

Centla Swamp, population structure, Psoronaias crocodilorum

Abstract

We assessed population parameters in two populations of mussels, Psoronaias crocodilorum, in the San Pedrito River and the Naranjos River in the Centla Wetlands Biosphere Reserve (CWBR), Mexico. Samples were collected in May 2008, and we determined their density and conducted a morphometric study. For each sample, we measured water depth, temperature, salinity, pH, organic matter and sand, silt and clay percentage. The San Pedrito river bank had a surface of 1200.12 m2 vs. 562.00 m2 in Los Naranjos. Shell length in San Pedrito was 21.26 76.16 mm vs. 22.20 83.30 in Los Naranjos; the most frequent length in both sites was 58.71 60.11 mm. Shell weight averaged 87.43% of the mussels total weight. MV in San Pedrito was 219.41 g/m2 and 81.75 g/m2 in Los Naranjos. Density in San Pedrito was 22.90 org/
m2 and 10.50 org/m2 in Los Naranjos. Texture in sediment was loamy sand with 30.17% organic matter in San Pedrito, and 27.43% in Los Naranjos. Physicochemical parameters and the proportion of sand, silt and clay were similar in both sites. None of the mussel banks had biological, ecological or economic features for a fishery, especially due to their low abundance.

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How to Cite

Arévalo de la Cruz, J. A., Rangel Ruiz, L. J., Gamboa Aguilar, J., Montiel Moreno, J., Arias García, S., García Morales, M., … Valdez Leal, J. de D. (2016). Size structure of freshwater mussel Unionidae Psoronaias crocodilorum on Wetlands Biosphere Reserve of Centla, Mexico. HIDROBIOLÓGICA, 25(1), 86–94. Retrieved from https://hidrobiologica.izt.uam.mx/hidrobiologica/index.php/revHidro/article/view/464

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