Diversity of Freshwater Macroinvertebrate Communities in Los Tuxtlas, Veracruz, Mexico
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Published:2024-02-05
Issue:2
Volume:16
Page:103
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ISSN:1424-2818
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Container-title:Diversity
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language:en
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Short-container-title:Diversity
Author:
Gómez-Marín Francisco José1ORCID, Montoya-Mendoza Jesús1ORCID, Salgado-Maldonado Guillermo2ORCID, Lango-Reynoso Fabiola1ORCID, Castañeda-Chávez María del Refugio1ORCID, Ortiz-Muñiz Benigno3ORCID
Affiliation:
1. Tecnológico Nacional de México, Instituto Tecnológico de Boca del Río, Km. 12 Carretera Veracruz-Córdoba, Boca del Río 94290, Mexico 2. Laboratorio de Helmintología, Instituto de Biología, Universidad Autónoma Nacional de México, Ciudad Universitaria, Ciudad de México 04510, Mexico 3. Tecnológico Nacional de México, Instituto Tecnológico de Veracruz, Miguel Ángel de Quevedo 2779, Veracruz 91897, Mexico
Abstract
The objective of this work is to contribute to the knowledge of the freshwater macroinvertebrate communities of Los Tuxtlas, Veracruz, Mexico. For this region, there is only limited knowledge of its aquatic crustaceans and mollusks. A total of 13,399 freshwater macroinvertebrates were collected from four river sections in each of the three sub-basins of the region using the Surber network in four seasons of an annual cycle (2021–2022) and were preserved in 70° alcohol. Organisms belonging to seven phyla, nine (sub)classes, 21 (sub)orders and 65 families were identified. The most abundant orders were Ephemeroptera (42.03%), with greatest abundance of the family Baetidae, and the orders Trichoptera (19.11%), Diptera (15.43%), and Coleoptera (3.98%). Four families exceeded 10% relative abundance, and together they total 61.02%: Baetidae (23.84%), Hydroptilidae (13.58%), Leptohyphidae (13.03%), Chironomidae (10.57%), and Elmidae (3.23%). The order Plecoptera was recorded for the first time in Los Tuxtlas, with three families. The orders Hydrachnidae and Ostracoda, as well as six families of the order Ephemeroptera, with only one previously recorded family, and six more families of the order Diptera, were also documented. Two species of invasive aquatic mollusks were found in several rivers and basins. In this work, a high diversity of freshwater macroinvertebrates occurred compared to other sites studied in Veracruz and Mexico, and new records of these taxa are provided for the region of Los Tuxtlas.
Funder
Tecnológico Nacional de México, Scientific Research, Technological Development and Innovation Projects Universidad Nacional Autónoma de México
Subject
Nature and Landscape Conservation,Agricultural and Biological Sciences (miscellaneous),Ecological Modeling,Ecology
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