Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico
Molluscs are an important component of the macrofauna at coastal lagoons and a relevant invertebrate group used as an ecological indicator of environmental impacts on these ecosystems. In this study, we used a multivariate approach to assess spatial distribution changes of molluscan assemblages along a salinity gradient in four habitats from a tropical coastal lagoon. Throughout 1 year, we collected samples at six sites in four identified habitats: i) muddy bottom near a fringing mangrove (MAN), ii) mangrove (Avicennia germinans) roots (RAI), iii) sandy-muddy bottom (ARE) and iv) submerged aquatic vegetation (VAS). We identified 29 molluscs species. The gastropods Neritina virginea and N. reclivata were the dominant species in the lagoon and bivalves Rangia flexuosa, Ischadium recurvum, and Crassostrea virginica occurred in all habitats and sites. Greater species richness was found during the rainy season and in the VAS habitat. Molluscan assemblages varied among seasons, habitats, and sites nested within habitats. Environmental variables that best explained seasonal molluscan assemblages were temperature and turbidity; along the lagoon, the best variables that explained molluscan assemblages were salinity and dissolved oxygen. This study supports the argument that preventing habitat loss or habitat conversion is an important issue to be considered for molluscan conservation at estuarine ecosystems.
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| Subjects: | Moluscos, Hábitat (Ecología), Lagunas costeras, Distribución espacial, Variables ambientales, Artfrosur, |
| Online Access: | https://doi.org/10.1080/00222933.2020.1785030 |
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KOHA-OAI-ECOSUR:629822024-06-26T11:26:14ZMollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico De Jesús Carrillo, Rosa María Maestra autora 15831 Ocaña Borrego, Frank Alberto Doctor autor 12334 Hernández Ávila, Iván autor Mendoza Carranza, Manuel Doctor autor 2024 Sánchez Martínez, Alberto de Jesús Doctor autor 13382 Barba Macías, Everardo Doctor autor 2025 textengMolluscs are an important component of the macrofauna at coastal lagoons and a relevant invertebrate group used as an ecological indicator of environmental impacts on these ecosystems. In this study, we used a multivariate approach to assess spatial distribution changes of molluscan assemblages along a salinity gradient in four habitats from a tropical coastal lagoon. Throughout 1 year, we collected samples at six sites in four identified habitats: i) muddy bottom near a fringing mangrove (MAN), ii) mangrove (Avicennia germinans) roots (RAI), iii) sandy-muddy bottom (ARE) and iv) submerged aquatic vegetation (VAS). We identified 29 molluscs species. The gastropods Neritina virginea and N. reclivata were the dominant species in the lagoon and bivalves Rangia flexuosa, Ischadium recurvum, and Crassostrea virginica occurred in all habitats and sites. Greater species richness was found during the rainy season and in the VAS habitat. Molluscan assemblages varied among seasons, habitats, and sites nested within habitats. Environmental variables that best explained seasonal molluscan assemblages were temperature and turbidity; along the lagoon, the best variables that explained molluscan assemblages were salinity and dissolved oxygen. This study supports the argument that preventing habitat loss or habitat conversion is an important issue to be considered for molluscan conservation at estuarine ecosystems.Molluscs are an important component of the macrofauna at coastal lagoons and a relevant invertebrate group used as an ecological indicator of environmental impacts on these ecosystems. In this study, we used a multivariate approach to assess spatial distribution changes of molluscan assemblages along a salinity gradient in four habitats from a tropical coastal lagoon. Throughout 1 year, we collected samples at six sites in four identified habitats: i) muddy bottom near a fringing mangrove (MAN), ii) mangrove (Avicennia germinans) roots (RAI), iii) sandy-muddy bottom (ARE) and iv) submerged aquatic vegetation (VAS). We identified 29 molluscs species. The gastropods Neritina virginea and N. reclivata were the dominant species in the lagoon and bivalves Rangia flexuosa, Ischadium recurvum, and Crassostrea virginica occurred in all habitats and sites. Greater species richness was found during the rainy season and in the VAS habitat. Molluscan assemblages varied among seasons, habitats, and sites nested within habitats. Environmental variables that best explained seasonal molluscan assemblages were temperature and turbidity; along the lagoon, the best variables that explained molluscan assemblages were salinity and dissolved oxygen. This study supports the argument that preventing habitat loss or habitat conversion is an important issue to be considered for molluscan conservation at estuarine ecosystems.MoluscosHábitat (Ecología)Lagunas costerasDistribución espacialVariables ambientalesArtfrosurJournal of Natural Historyhttps://doi.org/10.1080/00222933.2020.1785030Disponible para usuarios de ECOSUR con su clave de acceso |
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Moluscos Hábitat (Ecología) Lagunas costeras Distribución espacial Variables ambientales Artfrosur Moluscos Hábitat (Ecología) Lagunas costeras Distribución espacial Variables ambientales Artfrosur |
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Moluscos Hábitat (Ecología) Lagunas costeras Distribución espacial Variables ambientales Artfrosur Moluscos Hábitat (Ecología) Lagunas costeras Distribución espacial Variables ambientales Artfrosur De Jesús Carrillo, Rosa María Maestra autora 15831 Ocaña Borrego, Frank Alberto Doctor autor 12334 Hernández Ávila, Iván autor Mendoza Carranza, Manuel Doctor autor 2024 Sánchez Martínez, Alberto de Jesús Doctor autor 13382 Barba Macías, Everardo Doctor autor 2025 Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico |
| description |
Molluscs are an important component of the macrofauna at coastal lagoons and a relevant invertebrate group used as an ecological indicator of environmental impacts on these ecosystems. In this study, we used a multivariate approach to assess spatial distribution changes of molluscan assemblages along a salinity gradient in four habitats from a tropical coastal lagoon. Throughout 1 year, we collected samples at six sites in four identified habitats: i) muddy bottom near a fringing mangrove (MAN), ii) mangrove (Avicennia germinans) roots (RAI), iii) sandy-muddy bottom (ARE) and iv) submerged aquatic vegetation (VAS). We identified 29 molluscs species. The gastropods Neritina virginea and N. reclivata were the dominant species in the lagoon and bivalves Rangia flexuosa, Ischadium recurvum, and Crassostrea virginica occurred in all habitats and sites. Greater species richness was found during the rainy season and in the VAS habitat. Molluscan assemblages varied among seasons, habitats, and sites nested within habitats. Environmental variables that best explained seasonal molluscan assemblages were temperature and turbidity; along the lagoon, the best variables that explained molluscan assemblages were salinity and dissolved oxygen. This study supports the argument that preventing habitat loss or habitat conversion is an important issue to be considered for molluscan conservation at estuarine ecosystems. |
| format |
Texto |
| topic_facet |
Moluscos Hábitat (Ecología) Lagunas costeras Distribución espacial Variables ambientales Artfrosur |
| author |
De Jesús Carrillo, Rosa María Maestra autora 15831 Ocaña Borrego, Frank Alberto Doctor autor 12334 Hernández Ávila, Iván autor Mendoza Carranza, Manuel Doctor autor 2024 Sánchez Martínez, Alberto de Jesús Doctor autor 13382 Barba Macías, Everardo Doctor autor 2025 |
| author_facet |
De Jesús Carrillo, Rosa María Maestra autora 15831 Ocaña Borrego, Frank Alberto Doctor autor 12334 Hernández Ávila, Iván autor Mendoza Carranza, Manuel Doctor autor 2024 Sánchez Martínez, Alberto de Jesús Doctor autor 13382 Barba Macías, Everardo Doctor autor 2025 |
| author_sort |
De Jesús Carrillo, Rosa María Maestra autora 15831 |
| title |
Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico |
| title_short |
Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico |
| title_full |
Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico |
| title_fullStr |
Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico |
| title_full_unstemmed |
Mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the Gulf of Mexico |
| title_sort |
mollusk distribution in four habitats along a salinity gradient in a coastal lagoon from the gulf of mexico |
| url |
https://doi.org/10.1080/00222933.2020.1785030 |
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