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Table 3 Concentrations of OC, TN, and OC/TN ratio, δ13C, and δ15N from various estuarine and mangrove ecosystems

From: Sources and dynamics of sedimentary organic matter in Sundarban mangrove estuary from Indo-Gangetic delta

Ecosystem

OC (%)

TN (%)

OC/TN ratio

δ13C (‰)

δ15N (‰)

Ref.

Sundarban, India

0.76–5.22

0.043–0.15

10.56–47.8

−26.80 to −10.96

0.09–12.44

Present study

Sundarban, Bangladesh

0.92–2.41

0.045–0.105

14.68–29.49

−23.54 to −13.14

0.05–17.55

Present study

Pichavaram, India

–

–

12.99–14.22

−15.43 to −22.36

5.64–8.12

Prasad and Ramanathan 2009

Pichavaram, India

0.06–1.97

0.01–0.13

5.25–27.3

−27.5 to −18.9

0.69–6.2

Ranjan et al. 2011

Celestun, Mexico

5.88

0.43

57.9

−28.79

6.80

Gonneea et al. 2004

Chelem, Mexico

1.67

0.05

53.8

−26.55

7.89

Gonneea et al. 2004

Terminos, Mexico

3.33

0.33

53.4

−28.93

4.31

Gonneea et al. 2004

Ba Let, Vietnam

–

–

–

−24.81 to −23.43

–

Tue et al. 2011

Khung Krabaen Bay, Thailand

11.8

0.52

26.69

−27.36

–

Thimdee et al. 2003

Twin Bay, Belize

29.4–36.2

1–3

13.9–39.5

−24.6 to −20.2

−0.4–1.9

Wooller et al. 2003

Pearl River Estuary, China

0.67–4.41

0.06–0.18

8.4–22.4

−26.1 to −22.3

–

He et al. 2010