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Appendix B. Phylogenetic relationships of the species used in the analysis.

FIG. B1. Phylogenetic relationships of the 55 marine predators used in the analysis. Because there is not a comprehensive phylogeny containing all species, we combine results from several different published phylogenies to build our tree topology. Deepest lineages splitting was inferred based on the tree of life webproject (http://tolweb.org/tree), whereas more recent groups relationships were inferred based on several different published phylogenies (Valsecchi et al. 2005, Chow et al. 2006, Lopez et al. 2006, Teletchea et al. 2006, Esteve and McLennan 2007, Li et al. 2007, Mabuchi et al. 2007). Note: Relationships among some taxa are controversial and different studies may point to slightly different topologies. In addition, for some groups such as Perciformes, relationships among orders and within families are not well supported. I ran the analyses using a more conservative approach creating polytomies for these less supported groups and the results where very similar with only minor changes in regression coefficients and slope values. Given that the analyses using species as independent data points, and using different phylogenetic hypotheses all converge to similar results, it is not likely that changes in the topology will result in change in the major patterns found.

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