Arctic sea ice as feeding ground for amphipods – food sources and strategies

By M. Poltermann. Polar Biology, 2001

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Food web structure in the high Arctic Canada Basin: evidence from δ13C and δ15N analysis (2005, unknown): “The sympagic amphipod Onisimus sp. is located towards the end of the second TL, which coincides more with a scavenging/predatory diet (Poltermann 2001; Borgå et al. 2002) than with a herbivorous feeding strategy proposed earlier (Werner 1997).”
In-situ observations on the distribution and behavior of amphipods and Arctic cod (Boreogadus saida) under the sea ice of the High Arctic Canada Basin (2004, background): “…of the Arctic marine ice-associated food web (Bradstreet and Cross 1982); A. glacialis and Onismus spp. have a high fraction of ice algae and detritus in their diet while G. wilkitzkii, in addition, feeds on sympagic and pelagic crustaceans (Werner 1997; Poltermann 2001; our personal observation).”
Seasonal home ranges and fidelity to breeding sites among ringed seals (2010, background): “Arctic cod rely on sea ice as cover from their many predators (Bradstreet and Cross 1982; Poltermann 2001 ), and diminished ice cover may threaten the viability of this important prey of ringed seals.”
The importance of ice algae‐produced carbon in the central Arctic Ocean ecosystem: Food web relationships revealed by lipid and stable isotope analyses (2016, background): “Together with O. glacialis and G. wilkitzkii, A. glacialis is known to live permanently associated with the Arctic sea ice (Poltermann 2001; Gradinger and Bluhm 2004).”