Fig. 1


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Results of Non-Metric Multidimensional Scaling (nMDS) ordination of prey numeric frequency in the diet of pumpkinseed Lepomis gibbosus in the Draa river in Northern Morocco. a) nMDS biplot, with each site delimited by minimum convex polygons; b and c) box plots illustrating variation in the first and second nMDS scores for each site in relation to elevation, respectively; boxes represent the interquartile range (IQR; 25th and 75th percentiles), lines within boxes are the median, whiskers represent the 75th percentile − 1.5 x IQR and the 25th percentile + 1.5 x IQR, and dots beyond the whiskers are outliers. Stress value for ordination axes is indicated in panel a).

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