Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México
| Autores principales: | , , , , , , , , |
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| Formato: | Online |
| Idioma: | eng |
| Publicado: |
Universidad de Costa Rica
2019
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| Acceso en línea: | https://revistas.ucr.ac.cr/index.php/rbt/article/view/33278 |
| id |
RBT33278 |
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| record_format |
ojs |
| institution |
Universidad de Costa Rica |
| collection |
Revista de Biología Tropical |
| language |
eng |
| format |
Online |
| author |
Echeverría Galindo, Paula Gabriela Pérez, Liseth Correa-Metrio, Alexander Avendaño, Carlos Moguel, Bárbara Brenner, Mark Cohuo, Sergio Macario, Laura Schwalb, Antje |
| spellingShingle |
Echeverría Galindo, Paula Gabriela Pérez, Liseth Correa-Metrio, Alexander Avendaño, Carlos Moguel, Bárbara Brenner, Mark Cohuo, Sergio Macario, Laura Schwalb, Antje Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México |
| author_facet |
Echeverría Galindo, Paula Gabriela Pérez, Liseth Correa-Metrio, Alexander Avendaño, Carlos Moguel, Bárbara Brenner, Mark Cohuo, Sergio Macario, Laura Schwalb, Antje |
| author_sort |
Echeverría Galindo, Paula Gabriela |
| title |
Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México |
| title_short |
Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México |
| title_full |
Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México |
| title_fullStr |
Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México |
| title_full_unstemmed |
Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México |
| title_sort |
ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de guatemala y méxico |
| title_alt |
Tropical freshwater ostracodes as environmental indicators across an altitude gradient in Guatemala and Mexico |
| publisher |
Universidad de Costa Rica |
| publishDate |
2019 |
| url |
https://revistas.ucr.ac.cr/index.php/rbt/article/view/33278 |
| work_keys_str_mv |
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RBT332782022-06-13T14:26:54Z Tropical freshwater ostracodes as environmental indicators across an altitude gradient in Guatemala and Mexico Ostrácodos neotropicales como indicadores ambientales en un gradiente altitudinal de Guatemala y México Echeverría Galindo, Paula Gabriela Pérez, Liseth Correa-Metrio, Alexander Avendaño, Carlos Moguel, Bárbara Brenner, Mark Cohuo, Sergio Macario, Laura Schwalb, Antje ostracodes diversity ecology Neotropics conductivity temperature precipitation. Ostracodes are bivalve microcrustaceans with calcium carbonate shells that preserve well in lake sediment. They are very sensitive to environmental variables and are therefore powerful tools in paleoclimate and paleoenvironmental studies that cover time periods from decades to millions of years. Detailed knowledge of species ecological preferences and robust taxonomy are prerequisites for such studies. Such information, however, is still lacking for many areas of the world, including the Neotropics. Previous studies in the northern Neotropics were conducted mainly in the karst lowlands of the Yucatán Peninsula, but higher-altitude areas remained relatively poorly investigated. This study was designed to expand our knowledge of the modern, Neotropical freshwater ostracode fauna, across an altitudinal gradient from the karst lakes in the lowlands of El Petén, Guatemala (~100 - 500 m asl), to the mid-elevation water bodies of the Lacandón forest (~500 - 1000 m asl), to the higher-altitude lakes of Montebello, Chiapas, México (~1000 - 1500 m asl). Eighteen ostracode species were identified in 24 lakes. Ostracodes were absent in Lakes Amarillo and Lacandón (mid-altitude), and San Diego (lowlands). Statistical analysis indicated that the most abundant species, Cypridopsis vidua, Cytheridella ilosvayi, Pseudocandona antillana, and Darwinula stevensoni have a continuous distribution along the entire altitudinal gradient. Other species display more restricted distributions, determined by temperature, precipitation and conductivity. For example, Eucypris sp. is restricted to the lowlands, Vestalenula sp. and Cypria sp. were found only at middle elevations, and a Cyprididae species was restricted to the highlands. Species diversity is slightly greater in warm lakes at middle altitudes (Haverage = 1.09) than in water bodies in the lowlands (Haverage = 0.94) and in cooler lakes in the highlands (Haverage = 0.94). LOESS regressions provided ecological preference information for the four most frequent and widely distributed species, with respect to temperature, conductivity, bicarbonate (HCO3-) concentration, precipitation, and pH. Cypria petenensis, Heterocypris punctata, and Paracythereis opesta display higher abundances in lowland lakes, whereas, Cytheridella ilosvayi, and Pseudocandona antillana prefer lowland and mid-elevation lakes. Environmental conditions in the higher-elevation lakes of Montebello favor the presence of Darwinula stevensoni. Such quantitative ecological information will improve ostracode-based paleoenvironmental reconstructions in southern México and northern Guatemala, and our approach serves as a model for future paleoecological studies that employ other aquatic bioindicators, such as testate amoebae, cladocerans, and chironomids. Universidad de Costa Rica 2019-09-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article application/pdf text/html application/pdf https://revistas.ucr.ac.cr/index.php/rbt/article/view/33278 10.15517/rbt.v67i4.33278 Revista de Biología Tropical; Vol. 67 No. 4 (2019): Volume 67 – Regular number 4 – September 2019; 1037–1058 Revista de Biología Tropical; Vol. 67 Núm. 4 (2019): Volumen 67 – Número regular 4 – Setiembre 2019; 1037–1058 Revista Biología Tropical; Vol. 67 N.º 4 (2019): Volume 67 – Regular number 4 – September 2019; 1037–1058 2215-2075 0034-7744 10.15517/rbt.v67i4 eng https://revistas.ucr.ac.cr/index.php/rbt/article/view/33278/39674 https://revistas.ucr.ac.cr/index.php/rbt/article/view/33278/39675 https://revistas.ucr.ac.cr/index.php/rbt/article/view/33278/39676 Copyright (c) 2019 Paula Gabriela Echeverría Galindo, Liseth Pérez, Alexander Correa-Metrio, Carlos Avendaño, Bárbara Moguel, Mark Brenner, Sergio Cohuo, Laura Macario, Antje Schwalb http://creativecommons.org/licenses/by/4.0 |