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

Table 3

Abundances of picoplankton groups and viruses in the Changjiang estuary and its adjacent sea area from different studies.

Location	Year	Month	Abundances (×10^6 cells L^−1)					Detection technique	Source
			Syn^a	Pro^a	Euk^a	Bact^a	Virus
31–32°N, 121–124°E	1986	Jul	0.1–200					Epifluorescence microscope	[5]
25–33°N, 120–130°E	1998	Jul	<15	<120	<14	<540		Flow cytometry	[6]
27–32°N, 122–130°E	1998	Jul	0.6–19.7					Epifluorescence microscope	[9]
25–33°N, 120–128°E	2000	Oct-Nov	7.6–31.1			690 ± 1780		Epifluorescence microscope	[10, 11]
28–32°N, 122–129°E	2000; 2003	Oct-Nov; Sep	21 ± 45; 97 ± 335	6 ± 15; 53 ± 98	14 ± 15; 5 ± 10	733 ± 583		Flow cytometry	[13]
29–32°N, 122–124°E	2004	Sep-Oct	23.5; (1.83–270)	11.3; (0–210)	2.62; (0.14–9.34)	1000; (411–2530)	19000; (3440–45600)	Flow cytometry	[12]
29–32°N, 120–124°E	2006	Jun	7.82; (0–122.22)	0	2.13; (0.01–14.21)	1387; (84–4287)	2663; (12–10642)	Flow cytometry	This study

^aSyn: Synechococcus; Pro: Prochlorococcus; Euk: picoeukaryotes; Bact: heterotrophic bacteria.