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Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology
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Published on: November 5, 2014

La estacionalidad en las comunidades microbianas oceánicas.

Stephen J Giovannoni1, Kevin L Vergin

  • 1Department of Microbiology, Oregon State University, Corvallis, OR 97331, USA. steve.giovannoni@oregonstate.edu

Science (New York, N.Y.)
|February 11, 2012
PubMed
Resumen

El calentamiento de los océanos revela los ciclos estacionales del plancton, ofreciendo información sobre los impactos del cambio climático. Los datos a largo plazo y los modelos predictivos ayudan a pronosticar los futuros cambios oceánicos y sus efectos.

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Área de la Ciencia:

  • Ecología microbiana marina ecología microbiana marina.
  • Oceanografía La oceanografía es la oceanografía.
  • Ciencia del cambio climático ciencia del cambio climático.

Sus antecedentes:

  • El calentamiento de los océanos ocurre anualmente en ciclos estacionales, proporcionando un marco natural para estudiar las respuestas a largo plazo del plancton al cambio climático.
  • El plancton microbiano exhibe ciclos estacionales complejos, con patrones rítmicos de rotación de la comunidad observables a través de mediciones de diversidad de alta resolución en datos de series temporales.

Objetivo del estudio:

  • Comprender las respuestas a largo plazo del plancton al cambio climático mediante el análisis de los ciclos estacionales.
  • Investigar cómo varían los ciclos estacionales del plancton a través de escalas geográficas utilizando datos de monitoreo a largo plazo.
  • Para predecir los cambios futuros en la geoquímica del océano y los impactos debidos al calentamiento y la estratificación del océano.

Principales métodos:

  • Mediciones de alta resolución de la diversidad del plancton microbiano.
  • Recopilación y análisis de muestras de largas series temporales.
  • Utilizando datos de estaciones oceánicas fijas y instrumentación automatizada.
  • La acumulación de datos y el empleo de modelos predictivos.

Principales resultados:

  • Los ciclos estacionales en la diversidad del plancton microbiano revelan la rotación rítmica de la comunidad.
  • La expansión de las estaciones de monitoreo oceánico proporciona datos para el análisis a escala geográfica.
  • La instrumentación automatizada mejora la capacidad de recopilar datos de series temporales a largo plazo.

Conclusiones:

  • El monitoreo a largo plazo y el modelado predictivo son cruciales para comprender las respuestas del plancton al calentamiento y la estratificación del océano.
  • Los conocimientos obtenidos permitirán predecir los cambios en los ciclos geoquímicos mediados por microbios.
  • Estos avances ayudarán a medir los impactos más amplios del cambio climático en los ecosistemas marinos.