309
Columbia River
estuary
Urban/
farmland
Yes
Yes
Yes
6
6.5–9.5
Daytime
continuous
April
Evans et al. (2013)
Osaka Bay
Urban
Yes
Yes
Yes
10–50 8.3
Snapshot
Annual
average
Fujii et al. (2013)
Tokyo Bay
Urban
Yes
Yes
Yes
0–300 8.8
Daytime
snapshot
Annual
average
Kubo et al. (2017)
Guanabara Bay Urban
No
Yes
Yes
19–
108
26.4–49.7
Day/night
Annual
average
Cotovicz et al. (2015)
Matla estuary
Forest/
farmland
Yes
No
No
3
7.9–8.6
24 h
Annual
average
Akhand et al. (2016)
Simple mean and
SD
10.8 ± 9.51
Seagrass meadows, % cover
Hasting River
10%
Farmland Yes
–
–
–
1.0
Day/night
Annual
average
Maher and Eyre (2012)
Camden haven
37%
Forest
Yes
–
–
–
5.0
Day/night
Annual
average
Maher and Eyre (2012)
Wallis Lake
37%
Forest
Yes
–
–
–
5.0
Day/night
Annual
average
Maher and Eyre (2012)
Albufera des
Grau
Urban/
farmland
Yes
Yes (slight) Yes
0–200 8.1
Daytime
snapshot
Annual
average
Obrador and Pretus
(2012)
Shiraho
Farmland No
No
No
–
1.9
24 h
September
Watanabe et al. (2013)
Furen lagoon
80%
Farmland Yes
Yes
No
1–7
6.0–10.4
24 h
continuous
August
Tokoro et al. (2014)
Furen lagoon
80%
Farmland Yes
Yes
No
–
1.5
Daytime
snapshot
Annual
average
Tokoro et al. (2014)
Kurihama Bay Urban
Yes
No
No
1–4
2.5
Daytime
snapshot
March and
April
Tokoro et al. (2014)
(continued)
11 CO 2 Uptake in the Shallow Coastal Ecosystems Affected…