Spatial Distributions of Picoplankton and Viruses in the Changjiang Estuary and Its Adjacent Sea Area during Summer

Table 2

List of the measured picoplankton (×10⁶ cells L⁻¹) and viruses (×10⁶ particles L⁻¹) in the Changjiang estuary and its adjacent sea area in June 2006.

Item	Section I	Section II	Section III	Total station
Number of sample	39	45	15	96
Prochlorococcus	Undetected	Undetected	Undetected	Undetected
Synechococcus
Range	0.00–44.24	0.11–13.23	1.50–122.22	0.00–122.22
Mean ± SD	4.98±10.03	2.35±3.02	30.09±38.02	7.82±18.64
CV	201%	129%	126%	238%
Picoeukaryote
Range	0.11–13.97	0.01–14.21	0.38–10.84	0.01–14.21
Mean ± SD	2.02±3.11	2.81±3.84	1.78±2.61	2.13±3.11
CV	154%	137%	147%	146%
Heterotrophic bacteria
Range	84–3159	543–3706	626–2229	84–4287
Mean ± SD	1158 ± 567	1533 ± 637	1309 ± 541	1387 ± 694
CV	49%	42%	41%	50%
Virus
Range	12–5762	85–10266	1479–10642	12–10642
Mean ± SD	1604 ± 1615	2523 ± 2498	4247 ± 2471	2663 ± 2574
CV	101%	99%	58%	97%