Seasonal Levels of the Vibrio Predator Bacteriovorax in Atlantic, Pacific, and Gulf Coast Seawater

Table 2

Comparison of Bacteriovorax levels in unfiltered versus 0.45 μm filtered Hawaiian seawater. Each monthly count is the mean of six replicate assays.

Date	Unfiltered seawater (PFU/7.5 mL)	Filtered seawater (PFU/7.5 mL)
2012
April 6	9.4	0.3
May 11	6.3	0.0
June 13	17.5	0.0
July 12	14.2	2.0
Aug. 3	23.5	23.3
Sept. 14	16.5	0.0
Oct. 3	17.8	5.3
Nov. 8	47.8	0.3
Dec. 6	23.5	0.3
2013
Jan. 9	20.7	2.5
Feb. 13	TNTC (>125)^1	121.8^1
Mar. 6	19.5	1.2
Apr. 13	7.5	0.8
Mean^1:	18.7	3.0

1Abbreviation: TNTC: too numerous to count. Mean counts exclude the February 13, 2013 data.