Table 1 Primary production in Tokyo Bay (gC m−2 year−1).

From: Coastal urbanization alters carbon cycling in Tokyo Bay

Observation year

Primary production

Method

Reference

1972

1242

14C method

Funakoshi et al.41

1988

2044

14C method

Yamaguchi et al.42

1989

1242

14C method

Yamaguchi et al.42

1997

414

13C method

Bouman et al.43

1998

522

13C method

Bouman et al.43

2002

500

13C method

Itoh44

2011

414

Box model

This study