Annual cycles of bacterioplankton biomass and production suggest a general switch between temperature and resource control in temperate coastal ecosystems

Alejandra Calvo-Díaz*, Leticia Franco-Vidal, Xosé Anxelu G. Morán

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Factors regulating the biomass and flux of organic carbon through heterotrophic bacterioplankton were examined monthly in the southern Bay of Biscay during 2006 and 2007. Temperature and resource supply were able to explain significantly changes in bacterial biomass (539-1389 mg C m -2) and production (5.4-93 mg C m-2 day-1), although at different periods of the year. A switch between the relative strength of both factors in the spring-summer transition seems to be a general feature in temperate coastal waters.

Original languageEnglish (US)
Pages (from-to)859-865
Number of pages7
JournalJournal of Plankton Research
Volume36
Issue number3
DOIs
StatePublished - 2014

Bibliographical note

Funding Information:
We are grateful to the captain and crew of RV “José de Rioja” and colleagues at the laboratory for their help with sample collecting. Laboratory work was conducted while A.C.-D. had a research training pre-doctoral fellowship (FPI) from the Spanish Ministry of Education and Science.

Funding Information:
This work was supported by the time-series program RADIALES from the Spanish Institute of Oceanography (IEO) and the Spanish research grant Coastal Ocean MIcrobial communities and TEmperature (COMITE, CTM2010-15840).

Keywords

  • bacterial biomass
  • bacterial production
  • bottom-up
  • continental shelf waters
  • temperature control

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science
  • Ecology

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