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  • 2020-2022  (2)
  • 2010-2014  (41)
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Year
  • 1
    Publication Date: 2021-07-23
    Description: Three hundred and fifty specimens of the endemic Southern Ocean octopus genus Pareledone, were sequenced for the barcoding gene COI. Geographic coverage comprised the South Shetland Islands, the Ross Sea, Adélie Land, George V Land, the Weddell Sea, under the site of the former Larsen B ice shelf, Prydz Bay, the South Orkney Islands and the Amundsen Sea. The greatest number of specimens was captured at the three first-mentioned localities. At least 11 species were represented in the samples and the analyses revealed cryptic species. Six species were found to have extended distributions. Circumpolarity is supported for at least one species. Evidence is presented for a barrier to gene flow to the west of the Antarctic Peninsula, with haplotypes of P. aequipapillae becoming progressively more diverse in a clockwise direction from the South Shetland Islands to the Amundsen Sea. This pattern is akin to that seen in ring species, although we suggest that comparatively warm bottom water acts as a physical barrier preventing completion of the ring.
    Type: Article , PeerReviewed
    Format: text
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2023-03-16
    Keywords: ANT-XXIX/4; AWI_Paleo; Center for Marine Environmental Sciences; CT; DEPTH, water; Echosounder, single beam; Height above sea floor/altitude; LATITUDE; LONGITUDE; MARUM; Number; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS81; PS81/4-track; Scotia Sea; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 266 data points
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2023-03-16
    Keywords: ANT-XXIX/4; AWI_Paleo; Center for Marine Environmental Sciences; Comment; CT; DATE/TIME; LATITUDE; LONGITUDE; MARUM; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS81; PS81/4-track; Scotia Sea; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 48 data points
    Location Call Number Limitation Availability
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  • 4
    Publication Date: 2023-03-16
    Keywords: ANT-XXIX/4; Attenuation, optical beam transmission; AWI_Paleo; Center for Marine Environmental Sciences; CTD; CTD/Rosette; CTD-RO; CTD with attached oxygen sensor; Date/Time of event; DEPTH, water; Elevation of event; Event label; Fluorescence, chlorophyll; Latitude of event; Longitude of event; MARUM; Oxygen; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS81; PS81/281-1; PS81/284-3; PS81/286-1; Salinity; South Atlantic Ocean; Temperature, water, potential
    Type: Dataset
    Format: text/tab-separated-values, 3835 data points
    Location Call Number Limitation Availability
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  • 5
    Publication Date: 2023-03-16
    Keywords: ANT-XXIX/4; AWI_Paleo; Center for Marine Environmental Sciences; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; Latitude of event; Longitude of event; MARUM; Methane; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS81; PS81/281-1; PS81/284-3; PS81/286-1; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
    Location Call Number Limitation Availability
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  • 6
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    Unknown
    PANGAEA
    In:  Supplement to: Römer, Miriam; Torres, Marta E; Kasten, Sabine; Kuhn, Gerhard; Graham, Alastair G C; Mau, Susan; Little, Crispin T S; Linse, Katrin; Pape, Thomas; Geprägs, Patrizia; Fischer, David; Wintersteller, Paul; Marcon, Yann; Rethemeyer, Janet; Bohrmann, Gerhard; Shipboard scientific party ANT-XXIX/4 (2014): First evidence of widespread active methane seepage in the Southern Ocean, off the sub-Antarctic island of South Georgia. Earth and Planetary Science Letters, 403, 166-177, https://doi.org/10.1016/j.epsl.2014.06.036
    Publication Date: 2023-03-16
    Description: An extensive submarine cold-seep area was discovered on the northern shelf of South Georgia during R/V Polarstern cruise ANT-XXIX/4 in spring 2013. Hydroacoustic surveys documented the presence of 133 gas bubble emissions, which were restricted to glacially-formed fjords and troughs. Video-based sea floor observations confirmed the sea floor origin of the gas emissions and spatially related microbial mats. Effective methane transport from these emissions into the hydrosphere was proven by relative enrichments of dissolved methane in near-bottom waters. Stable carbon isotopic signatures pointed to a predominant microbial methane formation, presumably based on high organic matter sedimentation in this region. Although known from many continental margins in the world's oceans, this is the first report of an active area of methane seepage in the Southern Ocean. Our finding of substantial methane emission related to a trough and fjord system, a topographical setting that exists commonly in glacially-affected areas, opens up the possibility that methane seepage is a more widespread phenomenon in polar and sub-polar regions than previously thought.
    Keywords: AWI_Paleo; Center for Marine Environmental Sciences; MARUM; Paleoenvironmental Reconstructions from Marine Sediments @ AWI
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Limitation Availability
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  • 7
    Publication Date: 2023-03-17
    Keywords: ANT-XXIII/8; AWI_PhyOce; Calculated; Computed; Conductivity; CTD, Sea-Bird, SBE 911plus [SN: 0561]; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Drake Passage; Dundee Island; Elevation of event; Event label; Latitude of event; Location of event; Longitude of event; Number of observations; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS69; PS69/602-1; PS69/603-1; PS69/605-2; PS69/609-2; PS69/614-2; PS69/619-2; PS69/622-2; PS69/624-2; PS69/629-2; PS69/631-2; PS69/634-2; PS69/638-2; PS69/643-2; PS69/648-2; PS69/651-2; PS69/654-2; PS69/656-2; PS69/659-2; PS69/661-1; PS69/664-2; PS69/667-2; PS69/671-2; PS69/674-2; PS69/675-1; PS69/680-2; PS69/682-2; PS69/686-2; PS69/689-2; PS69/691-2; PS69/693-2; PS69/695-2; PS69/697-2; PS69/699-2; PS69/700-5; PS69/702-1; PS69/703-5; PS69/709-1; PS69/709-2; PS69/714-2; PS69/719-1; PS69/722-5; PS69/725-3; PS69/726-5; PS69/728-3; Salinity; Scotia Sea, southwest Atlantic; Snow Hill Island; South Atlantic Ocean; Temperature, water; Temperature, water, potential; Weddell Sea; Weddell Sea, Larsen-A; Weddell Sea, Larsen-B
    Type: Dataset
    Format: text/tab-separated-values, 106133 data points
    Location Call Number Limitation Availability
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  • 8
    Publication Date: 2023-08-02
    Keywords: Abatus bidens; Abatus cavernosus; Abatus curvidens; Abyssocladia sp.; Acanthonotozomoides sp.; Acodontaster capitatus; Actiniaria sp.; Actinostolidae sp.; Adacnarca nitens; Adamussium colbecki; Adeliella sp.; Admete sp.; Agalophamus macroura; Agassiz Trawl; AGT; Alcyonidium sp.; Alexandrella dentata; Ammothea sp.; Ampelisca richardsoni; Amphicteis gunneri antarctica; Amphioplus sp.; Amphipneustes lorioli; Amphitrite cf. kerguelensis; Anatoma euglyptus; Anoxycalyx ijimai; Anoxycalyx joubini; Antarctinoe ferox; Antarctinoe spicoides; Antarcturidae; Antarcturus horridus; Antedonidae sp.; Anthomedusae sp.; ANT-XXIII/8; Aplacophora spp.; Area/locality; Aristias antarcticus; Arntzia gracilis; Artedidraco orianae; Artedidraco skottsbergi; Asellota sp.; Astrotoma agassizii; Austrolaeniella antarctica; Austrolaeniella hastulifera; Austropallene sp.; Axinella sp.; Bathyarca sinuata; Bathybiaster loripes; Bathycrinus australis; Bathydoris clavigera; Bathydorus sp.; Bathydraco antarcticus; Bottom trawl; Brisinga distincta; Bryozoa sp.; BT; Buccinulidae sp.; Byblis securiger; Caberea darwini; Calliotropis sp.; Callochiton gaussi; Camptoplites sp.; Capnea georgiana; Capulus subcompressus; Caryophyllia sp.; Caulophacus sp.; Cephalodiscus sp.; Ceratoserolis trilobitoides; Chaenodraco wilsoni; Chinchyra sp.; Chionodraco myersi; Chorismus antarcticus; Cirripedia spp.; Clathrina primordalis, juvenile; Clavadoce sp.; Clavularia sp.; Clymenura sp.; Cnidaria species; Colossendeis sp.; Crossaster penicillatus; Cuenotaster involutus; Cumacea spp.; Cuspidoserolis spp.; Cyamiomactra robusta; Cyclostomata sp.; Cygnodraco mawsoni; Cystocrepis sp.; Dacodraco hunteri; Dacrydium sp.; Date/Time of event; Date/Time of event 2; Demospongiae sp.; DEPTH, sediment/rock; Desmacella sp.; Diplasterias brandti; Diplasterias brucei; Dolichiscus sp.; Dundee Island; Echinaster smithi; Echiniphimediella echinata; Echinisis sp.; Echinodermata and Hemichordata species; Elevation of event; Elevation of event 2; Endeis sp.; Epimeria georgiana; Epimeria macrodonta; Epimeria pulchra; Epimeria sp.; Errina laterorifa; Errina sp.; Estimated; Eulagisca gigantea; Eulalia sp.; Eusiroid sp.; Eusirus group antarcticus; Eusirus group perdentatus; Event label; Falsimargarita gemma; Fannyella rossii; Fannyella sp.; Fasciculipora ramosa; Flabelligera mundata; Flabellum impensum; Flustridae sp.; Freyella fragillisima; Fungicyathus marenzelleri; Gilibelemnon octodentatum; Glyptonotus antarcticus; Gnathiphimedia sexdentata; Gobionotothen gibberifrons; Guittara fimbriata; Gymnodraco acuticeps; Halichondria sp.; Haplocheira sp.; Harmothoe antarctica; Harmothoe fuligineum; Harmothoe fullo; Harmothoe magellanica; Haul length; Henricia obesa; Henricia pagenstecheri; Heterodonta sp.; Hippasteria falklandica; Hornera sp.; Hymenaster perspicuus; Iantopsis sp.; Inflatella belli; Iophon radiatus; Iothia coppingeri; Iphimedella cyclogena; Iphimediella margueritei; Iphimediella rigida; Iphimediella serrata; Isodictya setifer; Isodictya sp.; Isosicyonis alba; Kerguelenatica bioperculata; Lamellaridae sp.; Latitude of event; Latitude of event 2; Lepidonototen larseni; Lepidonotothen nudifrons; Leptomedusae sp.; Leptychaster flexous; Liljeborgia chevreux; Liljeborgia georgiana; Liljeborgia polydeuces; Limatula similliana; Limatula sp.; Limopsis cf. marionensis; Limopsis lilliei; Limopsis sp.; Lissarca miliaris; Location of event; Longitude of event; Longitude of event 2; Lyonsiidae sp.; Lysasterias belgicae; Macroptychaster accrescens; Magarella spp.; Maldane sarsi; Malletia sabrina; Maxilliphimedia longipes; Method/Device of event; Mollusca, number of species; Monoculodes sp.; Mycale acerata; Mycillina sp.; Nacella spp.; Naticidae sp.; Nebalia sp.; Neobuccinum eatoni; Neoleprea streptochaeta; Neopagetopsis ionah; Nicon ehlersis; Notasterias armata; Notasterias bongraini; Notocidaris mortenseni; Notocrangon antarcticus; Notoplites sp.; Nymphon sp.; Odontaster meridionalis; Odontaster penicillatus; Ophiacantha sp.; Ophionotus sp.; Ophiosparte sp.; Ophiuroidea sp.; Ophiurolepis sp.; Orchomenella acanthurus; Orchomenella sp.; Paeledone albimaculata; Pagetopsis macropterus; Pagetopsis maculatus; Pagothenia borchgrevinki; Pallenopsis sp.; Pantopoda and Crustacea species; Paraceradocus gibber; Paralophaster antarcticus; Paralophaster lorioli; Pareledone aequipapillae; Pareledone turqueti; Parepimeria irregularis; Pentanymphon sp.; Perkinsiana sp.; Perknaster aurantiacus; Perknaster aurorae; Philobry subleavis; Phoxocephalidae; Phyllodoce sp.; Pisces species; Pista mirabilis; Pleuragramma antarcticum; Podocerus cf. septemcarinatus; Polarstern; Polychaeta sp.; Polycheira sp.; Polyeunoa leavis; Polymastia invaginata, juvenile; Pontiothauma ergata; Porania antarctica; Porifera species; Pourtalesia debilis; Primnoella sp.; Primnoisis sp.; Probuccinum tenerum; Promachocrinus kerguelensis; Propeleda longicaudata; PS69; PS69/700-2; PS69/700-4; PS69/702-9; PS69/703-2; PS69/703-3; PS69/710-5; PS69/710-6; PS69/711-7; PS69/715-1; PS69/716-1; PS69/721-2; PS69/722-4; PS69/725-6; PS69/726-4; PS69/728-2; Pseuderichtonius sp.; Pseudharpinia sp.; Pteraster stellifer; Pycnogonum sp.; Remaster gourdoni; Reteporella sp.; Rhizaxinella sp.; Rhopiella hirsuta; Rhynchocidaris triplopora; Rossella nuda; Rossella racovitzae; Rossella sp.; Seguenzia antarctica; Serpula narconensis; Sertularidae sp.; Sinuber scluptum; Siphonophora sp.; Snow Hill Island; Stegopanoplea joubini; Stenothoidae; Stephanthus antarcticus; Sterechinus antarcticus; Sterechinus neumayeri; Stilaplex polaris; Stomphia selaginella; Subcuspidaria kerguelensis; Syrrhoe sp.; Tedania tantula; Terebella sp.; Terebellides stroemii kerguelensis; Tethopsis longispina; Tetilla sp.; Thelepus sp.; Thouarella sp.; Thracia meridionales; Torellia sp.; Trematomus bernacchii; Trematomus eulepidotus; Trematomus hansoni; Trematomus loennbergii; Trematomus penelli; Trematomus scotti; Tripylus abatoides; Tritonia antarctica; Tritoniella belli; Trophon drygalski; Trophon spp., juvenile; Turridae sp.; Umbellula lindhali; Urothoe sp.; Waldeckia obesa; Weddell Sea; Weddell Sea, Larsen-A; Weddell Sea, Larsen-B
    Type: Dataset
    Format: text/tab-separated-values, 3531 data points
    Location Call Number Limitation Availability
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  • 9
    Publication Date: 2023-07-10
    Keywords: Actiniaria; Actiniaria sp.; Actiniaria spp.; Adamussium colbeckii; Ainigmaptilon antarcticus; Alcyonidae sp.; Alcyonidium sp.; Antarctomysis spp.; Antarcturidae; Antedonidae; ANT-XXIII/8; Area; Area/locality; Artemisina sp.; Ascidiacea sp.; Ascidiacea spp.; Asteroidea sp.; Asteroidea spp.; Astrotoma agassizii; Bathycrinus australis; Benthos; Brisinga cf. distincta; Bryozoa; Bryozoa sp.; Bryozoa spp.; cf. Aplidium sp.; cf. Distaplia cylindrica; cf. Isosicyonis spp.; cf. Lageneschara lyrulata; cf. Lycrocteis flavopallidus; cf. Molgula pedunculata; cf. Porania antarctica; cf. Pyura bouvetensis; Cnemidocarpa verrucosa; Corella eumyota; Counting; Date/Time of event; Date/Time of event 2; Demospongia sp.; Dendrochirotida sp.; Dendrochirotida spp.; DEPTH, sediment/rock; Dumetocrinus antarcticus; Echiurida sp.; Edwardsiidae sp.; Elasipoda sp.; Elpidia glacialis; Errina laterorifa; Euphausia spp.; Event label; Fannyella rossii; Flabelligeridae; Flabellum sp.; Flustridae; Freyella fragillisima; Gastropoda spp.; Gorgonaria; Gorgonaria spp.; Hexactinellida spp., fractionated; Hydrozoa sp., medusa; Iophon radiatus; Irregularia spp.; Isodictya sp.; Kirkpatrickia variolosa; Latitude of event; Latitude of event 2; Longitude of event; Longitude of event 2; Lysasterias; Marseniopsis mollis; Melicerita obliqua; Monocaulus microrhiza; Monocaulus parvula; Myxilla sp.; Nemertini sp.; Newnesia antarctica; Notocidaris mortensi; Notocrangon antarcticus; Nudibranchia spp.; Ophiuroidea sp.; Ophiuroidea spp.; Oswaldella sp.; Peniagone sp.; Perkinsiana sp.; Persistent Identifier; Pisces; Pisces spp.; Pista spinifera; Polarstern; Polychaeta spp.; Polyclinidae sp.; Polymastia isidis; Polynoidea sp.; Polysyncraton sp.; Porifera; Porifera spp.; Primnoella spp.; Primnosis sp.; Protelpidia murrayi; PS69; PS69/699-1; PS69/702-5; PS69/703-1; PS69/706-1; PS69/706-2; PS69/710-1; PS69/714-1; PS69/717-1; PS69/718-8; PS69/720-2; PS69/722-1; PS69/724-1; PS69/725-1; PS69/726-2; PS69/726-3; PS69/727-1; PS69/728-1; Pseudostichopus mollis; Psolidae; Psolus charcoti; Pycnogonida spp.; Remote operated vehicle CHEROKEE; Remote operated vehicle SPRINT 103; Rhodalia miranda; ROVC; ROVS; Serolidae; Serpula sp.; Sterechinus spp.; Stylocordyla borealis oblong; Stylocordyla borealis spheric; Synascidiacea; Synascidiacea spp.; Synoicum sp.; Taxa analyzed; Tetilla sp.; Thouarella; Umbellula sp.; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 9240 data points
    Location Call Number Limitation Availability
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  • 10
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    Unknown
    PANGAEA
    In:  Supplement to: Lörz, Anne-Nina; Smith, Peter; Linse, Katrin; Steinke, Dirk (2012): High genetic diversity within Epimeria georgiana (Amphipoda) from the southern Scotia Arc. Marine Biodiversity, 42(2), 137-159, https://doi.org/10.1007/s12526-011-0098-8
    Publication Date: 2023-12-13
    Description: DNA barcoding revealed four well-supported clades among amphipod specimens that keyed out to Epimeria georgiana Schellenberg, 1931, three clades with specimens from the southern Scotia Arc and one clade with specimens from the Weddell Sea. Detailed morphological investigations of sequenced specimens were conducted, through light and scanning electron microscopy. High magnification (500-2,000 fold) revealed features such as comb-scales on the first antenna and trich bearing pits on the fourth coxal plate to be similar for all specimens in the four clades. Consistent microstructure character differences in the Weddell Sea specimens combined with high genetic distances (COI divergence〉20%) allowed the description of Epimeria angelikae, a species new to science. Specimens of E. georgiana in the other three COI clades from the Scotia Arc were morphologically indistinguishable. Representative specimens of clade A are also illustrated in detail. Our results on the high genetic divergences in epimeriid amphipods support the theory of the southern Scotia Arc being a centre of Antarctic diversification.
    Keywords: 044; Agassiz Trawl; AGT; ANT-XIV/2; ANT-XVII/3; ANT-XXI/2; Area/locality; BIOPEARL I JR144 JR145 JR146, JR147, JR149; BioRoss; Bottom trawl; BT; Comment; Cruise/expedition; DATE/TIME; Deception Island; Depth, bottom/max; Depth, top/min; DEPTH, water; EBS; Epibenthic sledge; Event label; Identification; International Polar Year (2007-2008); IPY; IPY-CAML; James Clark Ross; JR144/EI-AGT-2; JR144/EI-AGT-3; JR144/EI-AGT-4; JR144/PB-AGT-2; JR20060226; Latitude of event; Longitude of event; MULT; Multiple investigations; Polarstern; PS42; PS42/044; PS56/177-1; PS56/183-1; PS56 EASIZ III; PS65/232-1; PS65/233-1; PS65 BENDEX; Ross Sea; Sample amount; Scotia Sea; South Georgia Island; South Shetland Islands; Species; Station label; Swenska_Sypolar/34; TAN0402; TAN0402/134; TAN0402/184c; TAN0402/233; TAN0402/33; TAN0402/94; TAN0802; TAN0802/161; TAN0802/17; TAN0802/56; Tangaroa; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 346 data points
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