Table 1. A comparison of annual copepod biomass, production rate and P/B (Productivity/Biomass) ratio in different areas

Location	Sampling gear		Biomass (mg C m−3)	Production rate (mg C m−3 d−1)	Production measured from	P/B ratio (d−1)	Source
	Mouth diameter (m)	Mesh opening size (µm)
Inland Sea, Japan	0.45	94	12.9–20.2	2.83	EM* by Ikeda & Motoda (1978)	0.234	Uye et al. (1986)
Fukuyama Harbor, Japan	0.45	62	39.1	6.85	EM by Liang et al. (1996a, 1996b)	0.160	Uye & Liang (1998)
Cananéia Lagoon estuarine system, Brazil	0.5	150	19.76	5.28	EM by Hirst & Lampitt (1998)	0.267	Ara (2004)
Sagami Bay, Japan	0.45	200	8.85	0.94	EM by Hirst & Lampitt (1998)	0.106	Ara & Hiromi (2007)
Mondego estuary, Portugal	0.5	335	0.364	0.13	EM by Huntley & Lopez (1992)	0.359	Gonçalves et al. (2015)
Gamak Bay, Korea	0.45	200	6.86 ± 5.38	1.09 ± 0.85	EM by Hirst & Bunker (2003)	0.170 ± 0.05	This study
				2.05 ± 1.63	EM by Huntley & Lopez (1992)	0.156 ± 0.03

EM, empirical model.