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Table 4 Averages of environmental variables for each study site (see Fig. 1 for site location) during the study period

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

Site pH TP SRP DIN TN TN:TP Habitat type
SU μg L−1 μg L−1 mg L−1 mg L−1 Molar ratio
Cell 3 7.4 42 16 0.18 2.05 108 Marsh
Cell 4 7.1 46 12 0.20 2.07 99 Marsh
E0 7.1 74 41 0.48 2.97 89 Canal
F0 7.4 137 2 0.84 2.44 39 Canal
F1 7.3 99 3 0.08 2.99 67 Marsh
F2 7.3 75 3 0.10 2.49 73 Marsh
F3 7.3 30 2 0.08 2.32 171 Marsh
F4 7.3 24 2 0.03 2.09 197 Marsh
F5 7.4 11 2 0.06 2.14 425 Marsh
L35B 7.20 13 5 0.09 1.75 298 Canal
L67 7.00 15 5 0.43 1.65 238 Canal
3ATH 7.20 13 4 0.10 1.38 242 Marsh
3A15 7.10 6 1 0.04 1.02 401 Marsh
U3 7.50 5 2 0.28 2.18 964 Marsh