1. Pelagic swarms and beach strandings of the squat lobster Munida gregaria (Anomura: Munididae) in the Beagle Channel, Tierra del Fuego

   • Mariano J. Diez
   • Patricia Pérez-Barros
   • Gustavo A. Lovrich

   Original Paper 03 January 2012 Pages: 973 - 983

   

2. State-dependent incubation behaviour in the high arctic barnacle geese

   • Ingunn M. Tombre
   • Kjell Einar Erikstad
   • Vegard Bunes

   Original Paper 06 January 2012 Pages: 985 - 992

   

3. Sea ice microbial dynamics over an annual ice cycle in Prydz Bay, Antarctica

   • Harriet Paterson
   • Johanna Laybourn-Parry

   Original Paper 30 December 2011 Pages: 993 - 1002

   

4. Related antipodes: a comparative study on digestive endopeptidases from Northern krill and Antarctic krill (Euphausiacea)

   • Reinhard Saborowski

   Original Paper 31 January 2012 Pages: 1003 - 1012

   

5. Tardigrada of the Revdalen (Spitsbergen) with the descriptions of two new species: Bryodelphax parvuspolaris (Heterotardigrada) and Isohypsibius coulsoni (Eutardigrada)

   • Łukasz Kaczmarek
   • Krzysztof Zawierucha
   • Łukasz Michalczyk

   Original Paper Open access 19 January 2012 Pages: 1013 - 1026

   

6. Combined effects of two ocean change stressors, warming and acidification, on fertilization and early development of the Antarctic echinoid Sterechinus neumayeri

   • J. A. Ericson
   • M. A. Ho
   • M. Byrne

   Original Paper 31 December 2011 Pages: 1027 - 1034

   

7. Identifying gray whale (Eschrichtius robustus) foraging grounds along the Chukotka Peninsula, Russia, using satellite telemetry

   • M. P. Heide-Jørgensen
   • K. L. Laidre
   • B. I. Sirenko

   Original Paper 11 January 2012 Pages: 1035 - 1045

   

8. Phenotypic plasticity in the Antarctic nototheniid fish Trematomus newnesi: a guide to the identification of typical, large mouth and intermediate morphs

   • Esteban Barrera-Oro
   • Joseph T. Eastman
   • Eugenia Moreira

   Original Paper 03 January 2012 Pages: 1047 - 1056

   

9. The significance of depth and substratum incline for the structure of a hard bottom sublittoral community in glacial Kongsfjorden (Svalbard, Arctic)—an underwater imagery approach

   • Jürgen Laudien
   • Julia-Berenice Orchard

   Original Paper 20 January 2012 Pages: 1057 - 1072

   

10. Comparative population genetics of seven notothenioid fish species reveals high levels of gene flow along ocean currents in the southern Scotia Arc, Antarctica

    • Malte Damerau
    • Michael Matschiner
    • Reinhold Hanel

    Original Paper 09 February 2012 Pages: 1073 - 1086

    

11. Eiders in offshore pack ice show previously unknown courtship behavior: acceleration of readiness for a constrained breeding period?

    • James R. Lovvorn
    • Regina H. Mossotti
    • David McKay

    Original Paper 09 February 2012 Pages: 1087 - 1095

    

12. Hibernation adaptation and eclosion synchrony in leaf-galling sawflies in subarctic Norway

    • Trond Elling Barstad
    • Arne C. Nilssen

    Original Paper 10 February 2012 Pages: 1097 - 1103

    

13. Temporal variation in distribution and density of ice-obligated seals in western Hudson Bay, Canada

    • Magaly Chambellant
    • Nicholas J. Lunn
    • Steven H. Ferguson

    Original Paper 23 February 2012 Pages: 1105 - 1117

    

14. Observation of common raven (Corvus corax) scavenging Arctic cod (Boreogadus saida) from seabirds in the Canadian High Arctic

    • Jordan K. Matley
    • Richard E. Crawford
    • Terry A. Dick

    Short Note 03 January 2012 Pages: 1119 - 1122

    

15. Effects of elevated ammonia concentrations on survival, metabolic rates, and glutamine synthetase activity in the Antarctic pteropod mollusk Clione limacina antarctica

    • Amy Maas
    • Brad A. Seibel
    • Patrick J. Walsh

    Short Note 10 February 2012 Pages: 1123 - 1128