Table 1 Soil organic carbon decay rates (k) estimated from mangrove, seagrass and tidal marshes by modeling decreasing organic carbon mass with age over 80–100 and 500–1,000 yr time frames

From: Soil organic carbon depth profiles and centennial and millennial decay rates in tidal marsh, mangrove and seagrass blue carbon ecosystems

Time frame

Decay rate (k; yr-1) 150 yr

Decay rate (k; yr-1) 1000 yr

Mangrove

Mean

0.017

 

SE

0.003

 

n

9

 

95% CI

0.006

 

Seagrass

Mean

0.034

0.008

SE

0.003

0.001

n

14

19

95% CI

0.005

0.002

Tidal Marsh

Mean

0.018

0.001

SE

0.003

0.0002

n

19

3

95% CI

0.005

0.0004

All

Mean

0.023

0.007

SE

0.002

0.0006

n

42

22

95% CI

0.003

0.001

  1. SE Standard Error. 95% CI = 95% confidence intervals.
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