1. Community structure and spatial distribution of phytoplankton in relation to hydrography in the Laptev Sea and the East Siberian Sea (autumn 2008)

   • Ye. I. Polyakova
   • I. M. Kryukova
   • J. Hölemann

   Original Paper 15 May 2021 Pages: 1229 - 1250

   

2. Snow mediates climatic impacts on Arctic herbivore populations

   • Rebecca J. Duncan
   • Margaret E. Andrew
   • Mads C. Forchhammer

   Original Paper Open access 17 May 2021 Pages: 1251 - 1271

   

3. Bearded seal (Erignathus barbatus) vocalizations across seasons and habitat types in Svalbard, Norway

   • Samuel M. Llobet
   • Heidi Ahonen
   • Kit M. Kovacs

   Original Paper Open access 17 May 2021 Pages: 1273 - 1287

   

4. Rapid changes in spectral composition after darkness influences nitric oxide, glucose and hydrogen peroxide production in the Antarctic diatom Fragilariopsis cylindrus

   • Fraser Kennedy
   • Andrew Martin
   • Andrew McMinn

   Original Paper 18 May 2021 Pages: 1289 - 1303

   

5. Genomics and transcriptomics analyses provide insights into the cold adaptation strategies of an Antarctic bacterium, Cryobacterium sp. SO1

   • C. P. Teoh
   • P. Lavin
   • C. M. V. L. Wong

   Original Paper 19 May 2021 Pages: 1305 - 1319

   

6. Food chain, parasites and climate changes in the high Arctic: a case study on trophically transmitted parasites of common eider Somateria mollissima at Franz Josef Land

   • Kirill V. Galaktionov
   • Jan Marcin Węsławski
   • Lech Stempniewicz

   Original Paper 22 May 2021 Pages: 1321 - 1342

   

7. An intrapopulational study of organic compounds and biomechanical properties of the shell of the Antarctic bivalve Laternula elliptica (P. P. King, 1832) at King George Island

   • M. Roberto García-Huidobro
   • María Josefina Poupin
   • Marco A. Lardies

   Original Paper 22 May 2021 Pages: 1343 - 1352

   

8. Freshwater early life growth influences partial migration in populations of Dolly Varden (Salvelinus malma malma)

   • Christie M. Morrison
   • Colin P. Gallagher
   • Kimberly L. Howland

   Original Paper Open access 28 May 2021 Pages: 1353 - 1364

   

9. Divergence time and species delimitation of microbivalves in the Southern Ocean: the case of Kidderia species

   • Daniela Levicoy
   • Sebastián Rosenfeld
   • Leyla Cárdenas

   Original Paper 01 June 2021 Pages: 1365 - 1377

   

10. Cross-tolerance and transcriptional shifts underlying abiotic stress in the seabird tick, Ixodes uriae

    • Benjamin Davies
    • Andrew J. Rosendale
    • Joshua B. Benoit

    Original Paper 08 June 2021 Pages: 1379 - 1389

    

11. Anthropogenic activities are associated with shorter telomeres in chicks of Adélie penguin (Pygoscelis adeliae)

    • Jilda Alicia Caccavo
    • Thierry Raclot
    • Frédéric Angelier

    Original Paper Open access 10 June 2021 Pages: 1391 - 1399

    

12. Freshwater input and ocean connectivity affect habitats and trophic ecology of fishes in Arctic coastal lagoons

    • Kevin M. Fraley
    • Martin D. Robards
    • Tahzay Jones

    Original Paper 11 June 2021 Pages: 1401 - 1414

    

13. Phyto-detritus feeding by early-stage larvae of Electrona antarctica (Myctophidae) off Wilkes Land in the Southern Ocean, austral summer 2017

    • Satoshi Nirazuka
    • Ryosuke Makabe
    • Masato Moteki

    Original Paper 12 June 2021 Pages: 1415 - 1425

    

14. The overabundance of resources leads to small but exclusive home ranges in Arctic fox (Vulpes lagopus) on Bering Island

    • Anton Pletenev
    • Elena Kruchenkova
    • Mikhail Goltsman

    Original Paper 13 June 2021 Pages: 1427 - 1443

    

15. Diet composition and body condition of polar bears (Ursus maritimus) in relation to sea ice habitat in the Canadian High Arctic

    • Katie R. N. Florko
    • Gregory W. Thiemann
    • Evan S. Richardson

    Original Paper 11 June 2021 Pages: 1445 - 1456

    

16. Mass strandings of seven toothed and baleen whale species in Northern Norway in March 2020 call for further investigation

    • A. S. Aniceto
    • L. Tassara
    • P. Blévin

    Short Note Open access 06 May 2021 Pages: 1457 - 1461

    

17. Correction to: Mass strandings of seven toothed and baleen whale species in Northern Norway in March 2020 call for further investigation

    • A. S. Aniceto
    • L. Tassara
    • P. Blévin

    Correction Open access 14 June 2021 Pages: 1463 - 1463

18. “Arctic ecology” or “Ecologies within the Arctic region?”

    • V. B. Meyer-Rochow

    Book Review 24 May 2021 Pages: 1465 - 1466