Article
Local selection and latitudinal variation in a marine predator-prey interaction.
Science (New York, N.Y.) - 16 May 2003
Sanford Eric, Roth Melissa S, Johns Glenn C, Wares John P, Somero George N
Abstract excerpt
Although pairs of species often interact over broad geographic ranges, few studies have explored how interactions vary across these large spatial scales. Surveys along 1500 kilometers of the Pacific coast of North America documented marked variation in the frequency of predation by the snail Nucella canaliculata on the intertidal mussel Mytilus californianus. Laboratory rearing experiments suggest that regional...
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