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Table 3 Spearman rank correlation between stable isotope values and select environmental variables, N = 14 sites

From: Environmental stress and eutrophication in freshwater wetlands: evidence from carbon and nitrogen stable isotopes in cattail (Typha domingensis Pers.)

 

δ15N

δ13C

TP

TN

δ13C

–0.81***

   

TP

0.70**

–0.76**

  

TN

0.23

–0.28

0.65*

 

N/P

–0.80***

0.79***

–0.95***

–0.52*

  1. Note: ***p < 0.001, **p < 0.01, *p < 0.05