Fig. 3

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Larval coregonid natural log-transformed densities (ind.103m−3) and total lengths (mm) for each larval fish by sampling date in Lake Geneva and Lake Superior. Shallow site (<10 m bathymetric depths) larval densities (Lake Geneva site 0 and Lake Superior sites B1, B2 and B3, Fig. 1) and lengths are shown with open diamonds. Before transforming the data, half of the smallest non-zero value were added for each lake (0.3 for Lake Geneva and 1.6 for Lake Superior) due to the presence of zeros (Leith et al., 2010) which places zero values at −1.20 for Lake Geneva and 0.47 for Lake Superior after transformation. The black line within the box marks the median, the boundary of the box closest to zero indicates the 25th percentile, and the boundary of the box farthest from zero indicates the 75th percentile. Whiskers represent 1.5 * IQR from the bottom and top of the boxes, where IQR is the inter-quartile range or distance between the first and third quartiles. Data beyond the whiskers are outliers.

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