Relationships between lorica volume, carbon, nitrogen, and ATP content of tintinnids In Narragansett Bay

Peter G. Verity, Christopher Lagdon

Research output: Contribution to journalArticle

258 Scopus citations

Abstract

Lorica volume, carbon, nitrogen, and ATP content were measured in nine species of tintinnid ciliates spanning a size range of two orders of magnitude. Tintinnid carbon was linearly related to both lorica volume and ATP content. The mean C:ATP ratio was 65. Tintinnid ATP as a percentage of total ATP in the <153 μm fraction averaged 7% over an annual cycle in Narragansett Bay. It is concluded that ATP is a useful indicator of living phytoplankton carbon in pre-screened, small-volume samples during periods of moderate to high phytoplankton biomass, but that protozoan microzooplankton interference is significant when phytoplankton standing stocks are low.

Original languageEnglish (US)
Pages (from-to)859-868
Number of pages10
JournalJournal of Plankton Research
Volume6
Issue number5
DOIs
StatePublished - Dec 1 1984
Externally publishedYes

ASJC Scopus subject areas

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

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