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Table 2 Trend analysis results expressed as Kendall’s τ, ρ value (Thiel-Sen Slope) for annual mean dissolved inorganic carbon (DIC), dissolved organic carbon (DOC), particulate organic carbon (POC), surface water pCO2 (pCO2(aq)), and CO2 flux rate for each region of the Everglades Protection Area between water years 1995 and 2015 (May 1, 1994–April 30, 2015)

From: Carbon pool trends and dynamics within a subtropical peatland during long-term restoration

  Thiel-Sen slope units WCA1 WCA2 WCA3
DIC mg L−1 year−1 − 0.30, 0.06 (− 0.32) − 0.34, < 0.05 (− 0.53) − 0.14, 0.39 (− 0.13)
DOC mg L−1 year−1 − 24, 0.15 (− 0.12) − 0.39, < 0.05 (− 0.37) − 0.11, 0.50 (− 0.08)
POC mg L−1 year−1 − 0.54, < 0.01 (− 0.05) − 0.58, < 0.01 (− 0.09) − 0.59, < 0.01 (− 0.08)
pCO2(aq) μatm year−1 − 0.30, 0.06 (− 1454) − 0.50, < 0.01 (− 792) − 0.29, 0.07 (− 670)
CO2 Flux mg m−2 day−1 year−1 − 0.31, < 0.05 (− 25.0) − 0.40, < 0.05 (− 7.4) − 0.34, < 0.05 (− 8.3)