The long-term decline of monarch butterflies has been attributed to loss of their milkweed (Asclepias sp.) host-plants after the introduction of herbicide-tolerant crops. However, recent studies report pesticide residues on milkweed leaves that could act a...
Alewife Bayesian mixing models cross-habitat resource use DHA ecotones EPA fatty acid biomarkers food webs hydrogen Lake Michigan large lakes Laurentian Great Lakes resource subsidization river mouths Round Goby stable isotopes Yellow Perch
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