Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico

Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico

Marine mollusks provide important ecosystem services. They create habitats for benthic organisms, filter water, biodeposit organic carbon in the seafloor, and serve as food sources for other organisms. Studies of mollusk diversity require time-consuming methods to process samples and identify specie...

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Prif Awduron: Solana-Arellano, Elena, Díaz-Castañeda, Victoria, Flores-Uzeta, Olga
Fformat: Online
Iaith:eng
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Cyhoeddwyd: Iniversidad Autónoma de Baja California 2023
Mynediad Ar-lein:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3365
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id oai:cienciasmarinas.com.mx:article-3365
record_format ojs
institution Ciencias Marinas
collection OJS
language eng
spa
format Online
author Solana-Arellano, Elena
Díaz-Castañeda, Victoria
Flores-Uzeta, Olga
spellingShingle Solana-Arellano, Elena
Díaz-Castañeda, Victoria
Flores-Uzeta, Olga
Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico
author_facet Solana-Arellano, Elena
Díaz-Castañeda, Victoria
Flores-Uzeta, Olga
author_sort Solana-Arellano, Elena
title Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico
title_short Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico
title_full Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico
title_fullStr Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico
title_full_unstemmed Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico
title_sort micromollusk families in 2 contrasting seasons in bahia de los angeles, gulf of california, mexico
description Marine mollusks provide important ecosystem services. They create habitats for benthic organisms, filter water, biodeposit organic carbon in the seafloor, and serve as food sources for other organisms. Studies of mollusk diversity require time-consuming methods to process samples and identify species. Thus, it is not surprising that most studies have focused on macromollusks that can be collected and processed easily, ignoring micromollusk species. Without understanding the ecology and distributions of micromollusks properly, it is impossible to assess their populations and implement adequate conservation measures. Here we present microgastropods collected in Bahia de los Angeles at the family level for September 2013 (summer) and February 2014 (winter). During each season, we sampled 6 coastal sediment stations, and analyzed depth, salinity, temperature, granulometry, and organic matter. A total of 20,353 specimens were collected: 15,310 in summer and 5,043 in winter. Seven micromollusk families were identified: Barleeidae, Caecidae, Cerithiidae, Eulimidae, Pyramidellidae, Rissoidae, and Tornidae. Caecidae and Barleeidae exhibited the highest densities among all families in summer and winter, respectively (278,044 ind·m–2, 142,222 ind·m–2). The lowest densities for summer and winter were observed for the Tornidae family (~1,867 ind·m–2, ~1,411 ind·m–2). Barleeidae, Caecidae, Cerithiidae, Rissoidae, and Tornidae were classified as herbivorous and detritivorous; Eulimidae and Pyramidellidae, as carnivorous and ectoparasitic. Tornidae and Eulimidae showed symbiotic relationships with various invertebrate species. The Bayesian analysis of variance indicated a high probability of differences only in summer (BF > 3). When comparing the stations in both periods, all stations, except station 6, showed differences between periods (BF > 3). The canonical correlation analysis indicated some associations between family abundances and temperature. This study provides valuable information that expands the knowledge of micromollusk biodiversity in the coastal area of Bahia de los Angeles, an important site for conservation in Mexico.
publisher Iniversidad Autónoma de Baja California
publishDate 2023
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3365
_version_ 1792095485729701888
spelling oai:cienciasmarinas.com.mx:article-33652024-02-08T22:54:21Z Micromollusk families in 2 contrasting seasons in Bahia de los Angeles, Gulf of California, Mexico Familias de micromoluscos durante 2 periodos contrastantes en Bahía de los Ángeles, golfo de California, México Solana-Arellano, Elena Díaz-Castañeda, Victoria Flores-Uzeta, Olga microgastropods feeding guild biodiversity Gulf of California microgasterópodos niveles tróficos gremios tróficos golfo de California Marine mollusks provide important ecosystem services. They create habitats for benthic organisms, filter water, biodeposit organic carbon in the seafloor, and serve as food sources for other organisms. Studies of mollusk diversity require time-consuming methods to process samples and identify species. Thus, it is not surprising that most studies have focused on macromollusks that can be collected and processed easily, ignoring micromollusk species. Without understanding the ecology and distributions of micromollusks properly, it is impossible to assess their populations and implement adequate conservation measures. Here we present microgastropods collected in Bahia de los Angeles at the family level for September 2013 (summer) and February 2014 (winter). During each season, we sampled 6 coastal sediment stations, and analyzed depth, salinity, temperature, granulometry, and organic matter. A total of 20,353 specimens were collected: 15,310 in summer and 5,043 in winter. Seven micromollusk families were identified: Barleeidae, Caecidae, Cerithiidae, Eulimidae, Pyramidellidae, Rissoidae, and Tornidae. Caecidae and Barleeidae exhibited the highest densities among all families in summer and winter, respectively (278,044 ind·m–2, 142,222 ind·m–2). The lowest densities for summer and winter were observed for the Tornidae family (~1,867 ind·m–2, ~1,411 ind·m–2). Barleeidae, Caecidae, Cerithiidae, Rissoidae, and Tornidae were classified as herbivorous and detritivorous; Eulimidae and Pyramidellidae, as carnivorous and ectoparasitic. Tornidae and Eulimidae showed symbiotic relationships with various invertebrate species. The Bayesian analysis of variance indicated a high probability of differences only in summer (BF > 3). When comparing the stations in both periods, all stations, except station 6, showed differences between periods (BF > 3). The canonical correlation analysis indicated some associations between family abundances and temperature. This study provides valuable information that expands the knowledge of micromollusk biodiversity in the coastal area of Bahia de los Angeles, an important site for conservation in Mexico. Los moluscos marinos brindan importantes servicios ecosistémicos debido a que generan hábitats para organismos bentónicos, filtran agua, biodepositan carbono orgánico en el fondo marino y sirven como fuente de alimento para otros organismos. Los estudios de diversidad de moluscos requieren métodos de muestreo e identificación de especies muy tardados. Por lo tanto, no sorprende que la mayoría de los estudios se centren en los macromoluscos, los cuales son fácilmente recolectados y procesados, ignorando las especies de micromoluscos cuya identificación es difícil y tardada. Si no se comprende la ecología y distribución de los micromoluscos, es imposible evaluar sus poblaciones e implementar medidas de conservación. Aquí presentamos microgasterópodos recolectados en Bahía de los Ángeles a nivel de familia en 2 muestreos, en septiembre de 2013 (verano) y en febrero de 2014 (invierno). En cada temporada, muestreamos 6 estaciones costeras y realizamos mediciones de profundidad, salinidad, temperatura, granulometría y contenido de materia orgánica. Se recolectaron 20,353 ejemplares: 15,310 en verano y 5,043 en invierno. Se identificaron 7 familias: Barleeidae, Caecidae, Cerithiidae, Eulimidae, Pyramidellidae, Rissoidae y Tornidae. Caecidae y Barleeidae presentaron la máxima densidad en verano e invierno, respectivamente (278,044 ind·m–2, 142,222 ind·m–2). Tornidae presentó las densidades más bajas para verano e invierno (~1,867 ind·m–2, ~1,411 ind·m–2). Barleeidae, Caecidae, Cerithiidae, Rissoidae y Tornidae se clasificaron como herbívoros y detritívoros; Eulimidae y Pyramidellidae, como carnívoros y ectoparásitos. Tornidae y Eulimidae muestran relaciones simbióticas con varias especies de invertebrados. El análisis bayesiano indicó una alta probabilidad de diferencias para verano (BF > 3). Al comparar la misma estación entre muestreos, solo la estación 6 mostró diferencias entre periodos (BF > 3). Este estudio brinda información valiosa que amplía el conocimiento de la biodiversidad de micromoluscos en la zona costera de Bahía de los Ángeles, un importante sitio de conservación en México. Iniversidad Autónoma de Baja California 2023-08-31 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf text/xml text/xml https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3365 10.7773/cm.y2023.3365 Ciencias Marinas; Vol. 49 (2023) Ciencias Marinas; Vol. 49 (2023) 2395-9053 0185-3880 eng spa https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3365/420420750 https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3365/420420889 https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/3365/420420891 Copyright (c) 2023 Elena Solana-Arellano, Victoria Díaz-Castañeda, Olga Flores-Uzeta https://creativecommons.org/licenses/by/4.0

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