The taxonomic identity and distribution of the eel cod Muraenolepis (Gadiformes: Muraenolepididae) around South Georgia and the South Sandwich Islands E. FitzcharlesP. R. HollymanM. A. Collins Original Paper 26 February 2021 Pages: 637 - 651
Early detection of marine non-indigenous species on Svalbard by DNA metabarcoding of sediment Martine J. van den Heuvel-GreveAnneke M. van den BrinkAlbertinka J. Murk Original Paper Open access 25 February 2021 Pages: 653 - 665
Bioerosion ichnodiversity in barnacles from the Ross Sea, Antarctica Neele MeyerMax WisshakAndré Freiwald Original Paper Open access 05 March 2021 Pages: 667 - 682
Carbon dioxide isotopic compositions during tundra ecosystem respiration and photosynthesis in relation to environmental variables in maritime Antarctica Pei WangRenbin ZhuHua Xu Original Paper 26 February 2021 Pages: 683 - 700
Reduced seasonal sea ice and increased sea surface temperature change prey and foraging behaviour in an ice-obligate Arctic seabird, Mandt’s black guillemot (Cepphus grylle mandtii) G. J. DivokyE. BrownK. H. Elliott Original Paper 09 March 2021 Pages: 701 - 715
Un-crewed aerial vehicle population survey of three sympatrically breeding seabird species at Signy Island, South Orkney Islands M. J. DunnS. AdlardN. Ratcliffe Original Paper Open access 03 March 2021 Pages: 717 - 727
Striae in the Antarctic scallop Adamussium colbecki provide environmental insights but not reliable age increments Kelly E. CroninSally E. WalkerSamuel S. Bowser Original Paper 05 March 2021 Pages: 729 - 738
Abundance, habitat use and food consumption of seabirds in the high-Arctic fjord ecosystem Lech StempniewiczMichał GocJan Marcin Węsławski Original Paper Open access 04 March 2021 Pages: 739 - 750
Age of black dogfish (Centroscyllium fabricii) estimated from fin spines growth bands and eye lens bomb radiocarbon dating R. HedeholmT. QvistP. Grønkjær Original Paper 08 March 2021 Pages: 751 - 759
Distribution of rorquals and Atlantic cod in relation to their prey in the Norwegian high Arctic Hiroko K. SolvangTore HaugUlf Lindstrøm Original Paper Open access 14 March 2021 Pages: 761 - 782
Density and distribution of euphausiid larvae in the Scotia Sea in the 2011 summer Rombolá E.Franzosi C.Marschoff E. Original Paper 18 March 2021 Pages: 783 - 794
Feeding in spatangoids: the case of Abatus Cordatus in the Kerguelen Islands (Southern Ocean) Pierre-Yves PascalYann ReynaudThomas Saucede Original Paper 17 March 2021 Pages: 795 - 808
Combining survey and remotely sensed environmental data to estimate the habitat associations, abundance and distribution of breeding thin-billed prions Pachyptila belcheri and Wilson’s storm-petrels Oceanites oceanicus on a South Atlantic tussac island Allan W. StokesPaulo CatryEwan D. Wakefield Original Paper Open access 18 March 2021 Pages: 809 - 821
16S rRNA gene and 18S rRNA gene diversity in microbial mat communities in meltwater ponds on the McMurdo Ice Shelf, Antarctica Eleanor E. JacksonIan HawesAnne D. Jungblut Original Paper Open access 18 March 2021 Pages: 823 - 836
Multi-scale temporal variability in biological-physical associations in the NE Chukchi Sea Silvana GonzalezJohn K. HorneSeth L. Danielson Original Paper 18 March 2021 Pages: 837 - 855
Glycoside hydrolases from the tunics of two Antarctic ascidians (Ascidia challengeri and Pyura bouvetensis) and the tropical species Phallusia nigra Elisa K. S. RamosStéfanie C. L. dos SantosCecilia N. K. Suda Short Note 13 March 2021 Pages: 857 - 863
Status of pinnipeds on mid-Atlantic ridge islands, South Atlantic Ocean M. N. Bester Short Note 09 March 2021 Pages: 865 - 871
Correction to: Detection of the phycotoxin pectenotoxin-2 in waters around King George Island, Antarctica Bernd KrockIrene R. SchlossMona Hoppenrath Correction Open access 08 March 2021 Pages: 873 - 873