TABLE 1.

Comparison of estimates of Vibrio community and population sizes obtained by culture-independent methods in this and other studies

EnvironmentSampling datesPretreatmentAssay typeTarget generaAbundance (cells/ml)Reference
Total genusSpecific populations
Barnegat Bay, N.J.July 2001-Sept. 2002<5-μm prefiltrationQPCR-CDCEVibrio37-8.0 × 1032-3.9 × 103This study
Choptank River, Md.April-Dec. 1996<64-μm prefiltrationFODCbVibrio, Photo- bacterium5 × 103-1 × 10550-6 × 10318
North SeaSept., Nov. 1997; Feb., Aug. 1998NoneFISHaVibrio<8 × 103c (except     Sept. 1997     [1 × 104])NDd8
  • a FISH by microscopy.

  • b FODC, fluorescent-oligonucleotide direct counts by flow cytometry.

  • c Below limit of detection.

  • d ND, not determined.