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Foraging and metabolic consequences of semi-anadromy for an endangered estuarine fish

Fig 2

Mean stomach fullness (%) for Delta Smelt by survey and salinity.

STN = Summer Townet, FMWT = Fall Midwater Trawl, SKT = Spring Kodiak Trawl. Grey represents stomach fullness of Delta Smelt sampled from freshwater (<0.55 psu) and black represents stomach fullness of Delta Smelt sampled from brackish habitat (≥0.55 psu). Mean differences between freshwater and brackish habitat were significant for each survey. Error bars are ±SE, n = 1,318.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0173497.g002