Table 2 Reported N2O flux data for seagrass systems.

From: The greenhouse gas offset potential from seagrass restoration

Location

Seagrass

Method

N2O Flux (µmol m−2 hr−1)

Notes

Reference

Nanwan Bay, Taiwan

Thalassia hemprichii, Halodule uninervis

Sediment incubations

0.3–2.2*

12-hr incubations

42

Lake Akkeshi, Japan

Zostera marina

Sediment incubations

(0.009–0.022 µmol L−1)

Concentrations following 7-day incubations

50

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.378 ± 0.184

Seagrass spring average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.043 ± 0.013

Seagrass summer average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.039 ± 0.007

Seagrass fall average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.153

Seagrass 9-month average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.120 ± 0.073

Bare spring average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.003 ± 0.002

Bare summer average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.046 ± 0.013

Bare fall average

This study

South Bay, Virginia, USA

Zostera marina

Benthic chambers

0.057

Bare 9-month average

This study

  1. *µmol g wet wt−1 hr−1.