Uso de isótopos estables de carbono y nitrógeno para estudios de ecología acuática

Autores/as

  • Pedro Caraballo Universidad de Sucre

DOI:

https://doi.org/10.26640/22159045.210

Palabras clave:

Isótopos estables, ecología acuática, redes tróficas, microbial loop

Resumen

El flujo de carbono hasta los niveles superiores en las redes tróficas acuáticas, se presenta de dos formas básicas: una corta, basada en la producción fitoplanctónica, conocida como planctónica, y otra más larga, que incluye además las bacterias, protozoarios y el proceso denominado microbial loop (cíclico), llamada red trófica microbiana. Incluir esta otra cadena en los estudios de redes tróficas, complementa la visión general de las redes tróficas acuáticas, hoy limitada en ese aspecto. En ese sentido, el análisis de la abundancia natural de los isótopos estables de carbono y nitrógeno, es una técnica que permite definir el papel de los grupos tróficos que integran las redes tróficas acuáticas. La proporción de isótopos de carbono define la fuente autótrofa y la proporción de isótopos de nitrógeno permite inferir, basados en el proceso de fraccionamiento trófico, el nivel trófico de los organismos estudiados.

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Biografía del autor/a

  • Pedro Caraballo, Universidad de Sucre

    Universidad de Sucre, Facultad de Ciencias Agropecuarias, Sincelejo, Colombia.

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Publicado

2009-12-05

Número

Sección

Artículos de investigación científica y tecnológica

Cómo citar

Uso de isótopos estables de carbono y nitrógeno para estudios de ecología acuática. (2009). Boletín Científico CIOH, 27, 176-187. https://doi.org/10.26640/22159045.210