TABLE 3 in Dams and agricultural lands affect energy sources and the trophic position of fish in a floodplain

TABLE 3 | Mean ± standard deviation of the consumer and producer δ 13 C and δ 15 N values at each site. Herbivore: Schizodon borellii; detritivore: Prochilodus lineatus; omnivore: Pterodoras granulosus, and piscivore: Pseudoplatystoma corruscans. n = number of individuals. I-01 = Paraná River, C-01 = Ivinhema River, C-02 = Baía River. nI-01nC-01δ 15 NnC-02δ 15 Nδ 13 Cδ 15 Nδ 13 Cδ 13 CHerbivore21-28.14±3.659.71±2.3517-26.03±3.469.18±2.3518-25.59±3.748.72±2.15Detritivore7-27.00±2.2610.09±2.346-29.40±3.199.22±0.6613-27.93±4.239.30±1.44Omnivore13-25.79±1.8513.23±1.279-27.30±1.6611.95±1.755-27.17±1.8710.06±2.51Piscivore13-27.31±1.0811.37±1.0011-26.56±2.9211.89±2.2019-27.55±2.009.91±1.03Phytoplankton8-25.13±1.154.09±2.788-25.99±0.563.50±0.967-28.56±0.532.22±0.75Biofilm4-15.41±0.776.45±0.538-26.40±0.864.23±1.708-27.53±2.613.74±1.87C3 A. Macrophytes12-25.74±2.496.88±0.6454-29.29±0.804.93±2.6139-28.01±1.578.22±3.04C4 A. Macrophytes4-12.29±0.1110.86±0.104-10.83±0.136.94±0.434-11.26±0.3312.29±0.65R. Vegetation12-31.73±1.354.10±1.3426-29.87±1.262.92±2.048-28.89±1.144.14±2.72