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Seasonal variability in vulnerability for Cassin's auklets (Ptychoramphus aleuticus) exposed to microplastic pollution in the Canadian Pacific region.
O'Hara PD, Avery-Gomm S, Wood J, Bowes V, Wilson L, Morgan KH, Boyd WS, Hipfner JM, Desforges JP, Bertram DF, Hannah C, Ross PS. O'Hara PD, et al. Among authors: bertram df. Sci Total Environ. 2019 Feb 1;649:50-60. doi: 10.1016/j.scitotenv.2018.08.238. Epub 2018 Aug 19. Sci Total Environ. 2019. PMID: 30170215
Tufted puffin reproduction reveals ocean climate variability.
Gjerdrum C, Vallée AM, St Clair CC, Bertram DF, Ryder JL, Blackburn GS. Gjerdrum C, et al. Among authors: bertram df. Proc Natl Acad Sci U S A. 2003 Aug 5;100(16):9377-82. doi: 10.1073/pnas.1133383100. Epub 2003 Jul 18. Proc Natl Acad Sci U S A. 2003. PMID: 12871995 Free PMC article.