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Diatomeas asociadas a macroalgas en placas permanentes de la colección del profesor Germán Bula Meyer, Universidad del Magdalena, Colombia

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Artículo 46 (1) 45-111
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Author
Vidal, Luis Alfonso
Ospino-Acosta, Katya
Linares-Vargas, Katherin
García-Urueña, Rocío
Date
2017

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Alternative Title
Diatoms associated to macroalgae in permanent plates in the collection of Profesor Germán Bula Meyer, Universidad del Magdalena, Colombia.
Abstract
El Profesor Germán Bula (1947-2002), experto ficólogo marino, como parte de su disciplina colectó muestras de macroalgas en diferentes partes de Colombia, pero, sobre todo, en el Parque Nacional Natural Tayrona. Parte de su interés fue conocer las microalgas asociadas a dichas muestras. Como una contribución al conocimiento de la biodiversidad en Colombia, se hizo una determinación específica de los taxa hallados en 61 placas permanentes elaboradas por Bula, etiquetadas como diatomeas, pero sin identificar, que se encuentran almacenadas en el Centro de Colecciones Biológicas de la Universidad del Magdalena. Igualmente se elaboraron 22 placas permanentes de diatomeas con base en el material fijado de las macroalgas; dicho material está contenido en frascos y pertenece también a la misma colección. Se determinaron 100 taxa de diatomeas; de estas, 91 se identificaron a nivel específico y 9 a nivel genérico; 40 taxa son nuevos registros para el Caribe colombiano y 9 nuevos registros para el Caribe. La lista de los taxa va acompañada de figuras, referencias bibliográficas, medidas, distribución a nivel del Caribe colombiano y, en los nuevos registros, una aproximación a su distribución mundial; además, se da información sobre la autoecología de las especies. Del total de taxa, 63% pertenecen a la clase Bacillariophyceae, 19% a la clase Coscinodiscophyceae y 18% a la clase Fragilariophyceae. De la autoecología de las especies se resume que 81 taxa viven, sobre todo, en ambiente marino, 51 pueden vivir en agua salobre y 17 viven, sobre todo, en agua dulce. De estos, 36 taxa viven solo en ambiente marino y 4 solo en agua dulce; 36 taxa presentan una combinación marino-salobre, 4 una combinación dulce-salobre y 8 una combinación marino-salobre-dulce.
Professor Germán Bula (1947-2002), a marine biologist specialized in phycology, as part of its discipline collected macroalgae samples from different parts of Colombia, especially from the Tayrona National Natural Park. He was interested in knowing the microalgae associated to these samples. As a contribution to the knowledge of the biodiversity in Colombia, specific determination of the taxa found in 61 permanent plates elaborated by Bula was made; these plates, labelled as diatoms but unidentified, are stored in the Biological Collection Centre of the Universidad del Magdalena. Likewise, during this study, 22 permanent plates were elaborated, based on the macroalgae material; this material is contained in jars that also belong to the same collection. These plates were also reviewed. As result 100 taxa were determinated: 91 at specific level and 9 at genus level; 39 taxa are new records for the Colombian Caribbean and 9 are new records for the Caribbean. The taxonomic list is accompanied by figures, references, measures, distribution in the Colombian Caribbean, and an approximation to its world distribution. Besides, information of the auto-ecology of the species is provided. From the total taxa, 63 belong to the Class Bacillariophyceae, 19 to Coscinodiscophyceae, and 18 to Fragilariophyceae; 81 taxa live especially in marine environments, 51 can live in brackish water, and 17 live especially in freshwater. Of these, 36 taxa live only in marine environment and 4 only in fresh water. 36 taxa presented a combination marine-brackish, 4 a combination freshwater-brackish, and 8 a combination marine-brackish-freshwater.
Journal
Boletín de Investigaciones Marinas y Costeras
Volume
46
Issue/Article Nr
1
Page Range
pp. 45-111
DOI
10.25268/bimc.invemar.2017.46.1.717
URI
http://hdl.handle.net/1834/10819
ae974a485f413a2113503eed53cd6c53
10.25268/bimc.invemar.2017.46.1.717
Scopus Count
Collections
3. Boletín de Investigaciones Marinas y Costeras

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