Fig. 4From: Environmental stress and eutrophication in freshwater wetlands: evidence from carbon and nitrogen stable isotopes in cattail (Typha domingensis Pers.)Cattail δ13C (a) and δ15N (b), and surface water TP (c) and TN (d) in marsh (N = 8) and canal sites (N = 6) from south Florida. Different letters denote significant differenceBack to article page