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Table S1. Data sources used for the analyses by geographic area and time frame.

Table S2. Instantaneous fishing mortality rates for fully recruited age groups of cod in nine Northwest Atlantic Fisheries Organization management units, coded as areas 1-9 in Figure 1.

Table S3. Summary statistics of the relationship between primary production and surface chlorophyll from a subset of areas in the NW Atlantic region.

Table S4. 1997-2004 Monthly Means Greenness versus SeaWiFS

Table S5. Monthly Greenness versus Monthly SeaWiFS Chl

Table S6. Fish species in the predator and prey groups.

Table S7. Approximate zero crossings in years of the autocorrelations for predator and prey groups, cut-off lag for correlations and summations, effective number of degrees of freedom, significance level (0.05) for correlation, contribution of cross correlation to Neff, significance level for correlation for 15 y window.

Figure S1. Autocorrelations of the predator time series.

Figure S2. Autocorrelations of the prey time series.

Figure S3. Cross correlation of predator-prey time series. One curve represents the predator series leading, the other the prey series leading.

Figure S4. Mean species accumulation curves for areas 1 ? 9 from random sub-sampling (100 permutations without replacement) at each sampling interval from the total species pool. Note that the set total for area 1 is 12000.

Figure S5. The geographic distribution of spiny dogfish, Squalus acanthias, red hake Urophycus chis, and silver hake Merluccius bilinearis, based on fishery independent trawl survey data, during 1970 to 1994. Data are averaged within 0.5o x 0.5o bins and colour coded according to scale on the right (units: mean number per tow). The histogram summarizes the catch data across latitude.

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