Articles | Volume 13, issue 8
Biogeosciences, 13, 2579–2591, 2016

Special issue: Catastrophic reduction of sea ice in the Arctic Ocean...

Biogeosciences, 13, 2579–2591, 2016

Research article 29 Apr 2016

Research article | 29 Apr 2016

Foraging segregation of two congeneric diving seabird species breeding on St. George Island, Bering Sea

Nobuo Kokubun et al.

Related authors

Differential responses of seabirds to environmental variability over 2 years in the continental shelf and oceanic habitats of southeastern Bering Sea
Takashi Yamamoto, Nobuo Kokubun, Dale M. Kikuchi, Nobuhiko Sato, Akinori Takahashi, Alexis P. Will, Alexander S. Kitaysky, and Yutaka Watanuki
Biogeosciences, 13, 2405–2414,,, 2016
Short summary

Related subject area

Biodiversity and Ecosystem Function: Marine
Permanent ectoplasmic structures in deep-sea Cibicides/oides taxa – long-term observations at in situ pressure
Jutta Wollenburg, Jelle Bijma, Charlotte Cremer, Ulf Bickmeyer, and Zora Mila Colomba Zittier
Biogeosciences Discuss.,,, 2021
Revised manuscript accepted for BG
Short summary
Spatial patterns of ectoenzymatic kinetics in relation to biogeochemical properties in the Mediterranean Sea and the concentration of the fluorogenic substrate used
France Van Wambeke, Elvira Pulido, Philippe Catala, Julie Dinasquet, Kahina Djaoudi, Anja Engel, Marc Garel, Sophie Guasco, Barbara Marie, Sandra Nunige, Vincent Taillandier, Birthe Zäncker, and Christian Tamburini
Biogeosciences, 18, 2301–2323,,, 2021
Short summary
Atypical, high-diversity assemblages of foraminifera in a mangrove estuary from Northern Brazil
Nisan Sariaslan and Martin R. Langer
Biogeosciences Discuss.,,, 2021
Revised manuscript accepted for BG
Short summary
A 2-decade (1988–2009) record of diatom fluxes in the Mauritanian coastal upwelling: impact of low-frequency forcing and a two-step shift in the species composition
Oscar E. Romero, Simon Ramondenc, and Gerhard Fischer
Biogeosciences, 18, 1873–1891,,, 2021
Short summary
Review and syntheses: Impacts of turbidity flows on deep-sea benthic communities
Katharine T. Bigham, Ashley A. Rowden, Daniel Leduc, and David A. Bowden
Biogeosciences, 18, 1893–1908,,, 2021
Short summary

Cited articles

Barger, C. P. and Kitaysky, A. S.: Isotopic segregation between sympatric seabird species increases with nutritional stress, Biol. Lett., 8, 442–445, 2012.
Barger, C. P., Young, R. C., Cable, J. M., Ito, M., and Kitaysky, A. S.: Resource partitioning between sympatric seabird species increases during chick-rearing, Ecosphere, in press, 2016.
Barrett, R. T., Asheim, M., and Bakken, V.: Ecological relationships between two sympatric congeneric species, common murres and thick-billed murres, Uria aalge and U. lomvia, breeding in the Barents Sea, Can. J. Zoolog., 75, 618–631, 1997.
Barrett, R. T., Erikstad, K. E., Sandvik, H., Myksvoll, M., Jenni-Eierlmann, S., Kristensen, D. L., Moum, T., Reiertsen, T. K., and Vikebø, F.: The stress hormone corticosterone in a marine top predator reflects short-term changes in food availability, Ecol. Evol., 5, 1306–1317, 2015.
Benowitz-Fredericks, Z. M., Shultz, M. T., and Kitaysky, A. S.: Stress hormones suggest opposite trends of food availability for planktivorous and piscivorous seabirds in 2 years, Deep-Sea Res. Pt. II, 55, 1868–1876, 2008.
Short summary
Subarctic climate changes may affect the foraging ecology of top predators. We studied the foraging characteristics of two diving seabirds: common (COMUs) and thick-billed murres (TBMUs). COMUs had smaller wing area, partly used deeper depths with more frequent wing strokes, and used higher trophic prey than TBMUs. The smaller wing of COMUs may facilitate swimming agility so that they can capture more mobile prey. These may lead to their different responses to local marine environmental changes.
Final-revised paper