Data from: Broad-scale trophic shift in the pelagic North Pacific revealed by an oceanic seabird

Peggy H. Ostrom, Anne E. Wiley, Helen F. James, Sam Rossman, William A. Walker, Elise F. Zipkin & Yoshito Chikaraishi
Human-induced ecological change in the open oceans appears to be accelerating. Fisheries, climate change and elevated nutrient inputs are variously blamed, at least in part, for altering oceanic ecosystems. Yet it is challenging to assess the extent of anthropogenic change in the open oceans, where historical records of ecological conditions are sparse, and the geographical scale is immense. We developed millennial-scale amino acid nitrogen isotope records preserved in ancient animal remains to understand changes in...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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