Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico

Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico

Records of 298 molluscs species (99 bivalves and 199 gastropods) from 33 localities along the shoreline and the corals reef of the Yucatán peninsula, were analized in terms of their geographic range of the information content and species richness. Coral reef areas showed to have the highest species...

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Autores principales: González, MA, Chávez, EA, De la Cruz, G, Torruco, D
Formato: Online
Lenguaje:eng
Publicado: Iniversidad Autónoma de Baja California 2021
Acceso en línea:https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/810
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spelling oai:cienciasmarinas.com.mx:article-8102013-08-19T03:29:29Z Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico Patrones de distribución de gasterópodos y bivalvos en la península de Yucatán, México González, MA Chávez, EA De la Cruz, G Torruco, D Records of 298 molluscs species (99 bivalves and 199 gastropods) from 33 localities along the shoreline and the corals reef of the Yucatán peninsula, were analized in terms of their geographic range of the information content and species richness. Coral reef areas showed to have the highest species richness. The families with the highest species numbers were Tellinidae, Arcidae, Mytilidae and Lucinidae for lamellibranchs, whilst the families Fissurellidae and Muricidae showed the highest species richness among the gastropods. Four areas were defined according to the distribution patterns of the species found: west coast, north coast, east coast and coral reef areas. The most distinctly defined area was the east coast, mostly due to its gastropod fauna. Finally, 16 geographic distribution patterns were found, from which the one whose elements range from the Caribbean Province to the Brazilian Province hold the highest species richness, whilst the elements of the Caribbean Province comprise the highest number of endemisms. Se analizaron registros de 298 especies de moluscos comprendidos en dos clases (99 de bivalvos y 199 de gasterópodos) para 33 localidades de la península de Yucatán. El análisis de las clases se realizó por separado. Las familias de bivalvos más ampliamente representadas en la zona fueron Tellinidae, Arcidae, Mytilidae y Lucinidae, en tanto que para los gasterópodos fueron los Fisurélidos y los Murícidos. Mediante el análisis de la riqueza específica de cada fauna se encontró que para los bivalvos, las localidades de el Cuyo, Chiquilá, Xcaret, Cozumel e Isacos, presentan la menor riqueza específica, mientras que Celestún, Alacranes y Chicxulub tienen las más altas. Para los gasterópodos correspondió a las Coloradas y Punta Bete la menor riqueza, en tanto que los arrecifes Alacranes, Arenas y Chinchorro presentan la mayor cantidad de especies. Como resultado del análisis del contenido de información con la fauna total se diferenciaron cuatro áreas: costa occidental, costa norte, costa oriental y zona arrecifal. La porción mejor representada fue la oriental, que se define más claramente por su fauna de gasterópodos. Finalmente, al discutir de manera comparativa la malacofauna de las tres zonas costeras diferenciadas para la península y las cinco provincias biogeográficas consideradas para el Atlántico Occidental, se encontraron 16 patrones de distribución geográfica para las 298 especies. La malacofauna analizada puede considerarse como representativa del Atlántico Centro-Occidental ya que la mayor afinidad se registró al considerar la distribución desde la Provincia Carolineana hasta la Provincia Brasileña. Con respecto a las provincias involucradas, la mayor cantidad de especies endémicas registradas corresponden a la Provincia Caribeña. Iniversidad Autónoma de Baja California 2021-02-18 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado application/pdf https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/810 10.7773/cm.v17i3.810 Ciencias Marinas; Vol. 17 No. 3 (1991); 147-172 Ciencias Marinas; Vol. 17 Núm. 3 (1991); 147-172 2395-9053 0185-3880 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/810/420420532 Copyright (c) 2021 Ciencias Marinas
institution Ciencias Marinas
collection OJS
language eng
format Online
author González, MA
Chávez, EA
De la Cruz, G
Torruco, D
spellingShingle González, MA
Chávez, EA
De la Cruz, G
Torruco, D
Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico
author_facet González, MA
Chávez, EA
De la Cruz, G
Torruco, D
author_sort González, MA
title Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico
title_short Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico
title_full Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico
title_fullStr Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico
title_full_unstemmed Distribution patterns of gastropods and bivalves at the Yucatan peninsula, Mexico
title_sort distribution patterns of gastropods and bivalves at the yucatan peninsula, mexico
description Records of 298 molluscs species (99 bivalves and 199 gastropods) from 33 localities along the shoreline and the corals reef of the Yucatán peninsula, were analized in terms of their geographic range of the information content and species richness. Coral reef areas showed to have the highest species richness. The families with the highest species numbers were Tellinidae, Arcidae, Mytilidae and Lucinidae for lamellibranchs, whilst the families Fissurellidae and Muricidae showed the highest species richness among the gastropods. Four areas were defined according to the distribution patterns of the species found: west coast, north coast, east coast and coral reef areas. The most distinctly defined area was the east coast, mostly due to its gastropod fauna. Finally, 16 geographic distribution patterns were found, from which the one whose elements range from the Caribbean Province to the Brazilian Province hold the highest species richness, whilst the elements of the Caribbean Province comprise the highest number of endemisms.
publisher Iniversidad Autónoma de Baja California
publishDate 2021
url https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/810
_version_ 1715724014419181568

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