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. 2023 Oct 23;12(10):1359. doi: 10.3390/biology12101359

Table 3.

Trophic niche parameters of fish in different water bodies in the Yangtze River basin.

Waterbody Name Times CR NR TA SEAc CD MNND SDNND Number of Fish Species
Tian-e-Zhou Oxbow April (2021) 12.47 11.81 71.58 14.37 2.89 0.89 0.62 27
October (2021) 6.76 7.78 31.49 7.95 1.99 0.59 0.52 28
Mituo Town of Upper Yangtze River [83] August (2019) 11.72 9.75 60.67 12.53 2.41 0.59 0.72 23
November (2019) 8.92 7.67 38.19 8.55 1.98 0.57 0.58 13
Three Gorges Reservoir [82] 2013 8.47 4.34 13.62 -- 3.35 1.90 0.63 19
Yangcheng Lake [84] April (2018) 6.84 6.64 37.07 8.37 1.94 0.56 0.52 34
October (2017) 6.70 5.72 23.20 7.83 1.96 0.51 0.50 25
Daning River [85] May (2011) 4.93 7.45 21.41 -- 2.37 1.62 0.88 32
October (2011) 7.45 10.40 38.28 -- 3.28 2.22 1.45 23

TA: total area of the convex hull; SEAc: corrected standard ellipse area; CD: mean distance to the centroid; MNND: mean nearest neighbor distance; SDNND: standard deviation of nearest neighbor distance; CR: the δ13C range; NR: the δ15N range.