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  • 1
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    Fish abundances and masses from trawl samples taken in the wider Weddell Sea (Antarctica) during POLARSTERN cruise ANT-XXVII/3 (2020)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Keywords: -; Agassiz Trawl; AGT; Akarotaxis nudiceps; Akarotaxis nudiceps, mass; ANT-XXVII/3; Artedidraco; Artedidraco, mass; Artedidraco mirus; Artedidraco mirus, mass; Artedidraconidae; Artedidraconidae, mass; Artedidraco orianae; Artedidraco orianae, mass; Artedidraco scottsbergi; Artedidraco scottsbergi, mass; Artedidraco shackletoni; Artedidraco shackletoni, mass; Artedidraco skottsbergi; Artedidraco skottsbergi, mass; Bathydraco macrolepis; Bathydraco macrolepis, mass; Bathydraco marri; Bathydraco marri, mass; Bentho-pelagic trawl; Bottom trawl; BPT; BT; Chaenocephalus aceratus; Chaenocephalus aceratus, mass; Chaenodraco wilsoni; Chaenodraco wilsoni, mass; Champsocephalus gunari; Champsocephalus gunari, mass; Channichthyidae; Channichthyidae, mass; Chionodraco; Chionodraco, mass; Chionodraco hamatus; Chionodraco hamatus, mass; Chionodraco myersi; Chionodraco myersi, mass; Chionodraco rastrospinosus; Chionodraco rastrospinosus, mass; Comment; Cottoperca gobio; Cottoperca gobio, mass; Cryodraco antarcticus; Cryodraco antarcticus, mass; Cygnodraco mawsoni; Cygnodraco mawsoni, mass; Dacodraco hunteri; Dacodraco hunteri, mass; DATE/TIME; Dissostichus eleginoides; Dissostichus eleginoides, mass; Dissostichus mawsoni; Dissostichus mawsoni, mass; Distance; Dolloidraco longedorsalis; Dolloidraco longedorsalis, mass; ELEVATION; Event label; Gear; Gobionotothen gibberifrons; Gobionotothen gibberifrons, mass; Gymnodraco acuticeps; Gymnodraco acuticeps, mass; Gymnoscopelus nicholsi; Gymnoscopelus nicholsi, mass; Histiodraco velifer; Histiodraco velifer, mass; LATITUDE; Lepidonotothen; Lepidonotothen, mass; Lepidonotothen kempi; Lepidonotothen kempi, mass; Lepidonotothen larseni; Lepidonotothen larseni, mass; Lepidonotothen nudifrons; Lepidonotothen nudifrons, mass; Liparididae; Liparididae, mass; Liparis; Liparis, mass; LONGITUDE; Macrouridae; Macrouridae, mass; Mancopsetta milfordi; Mancopsetta milfordi, mass; Muraenolepis; Muraenolepis, mass; Muraenolepis marmoratus; Muraenolepis marmoratus, mass; Muraenolepis orangiensis; Muraenolepis orangiensis, mass; Myctophidae; Myctophidae, mass; Neopagetopsis ionah; Neopagetopsis ionah, mass; Notothenia rossii; Notothenia rossii, mass; Nototheniidae; Nototheniidae, mass; Notothenioidei; Notothenioidei, mass; Pagetopsis macropterus; Pagetopsis macropterus, mass; Pagetopsis maculatus; Pagetopsis maculatus, mass; Pagothenia borchgrevinki; Pagothenia borchgrevinki, mass; Parachaenichthys georgianus; Parachaenichthys georgianus, mass; Patagonotothen guntheri; Patagonotothen guntheri, mass; Pleuragramma antarcticum; Pleuragramma antarcticum, mass; Pogonophryne; Pogonophryne, mass; Polarstern; Prionodraco evansii; Prionodraco evansii, mass; PS77; PS77/208-2; PS77/208-3; PS77/208-5; PS77/211-5; PS77/211-6; PS77/211-7; PS77/211-8; PS77/214-1; PS77/214-2; PS77/214-5; PS77/217-5; PS77/217-6; PS77/218-2; PS77/222-5; PS77/222-6; PS77/222-7; PS77/226-7; PS77/228-3; PS77/228-4; PS77/231-3; PS77/233-3; PS77/235-8; PS77/237-2; PS77/237-3; PS77/239-3; PS77/243-2; PS77/243-3; PS77/248-2; PS77/248-3; PS77/250-6; PS77/250-8; PS77/256-3; PS77/256-4; PS77/256-5; PS77/257-2; PS77/260-6; PS77/263-3; PS77/263-4; PS77/263-5; PS77/263-6; PS77/265-2; PS77/267-3; PS77/267-4; PS77/267-5; PS77/267-6; PS77/267-7; PS77/269-3; PS77/269-4; PS77/269-5; PS77/269-6; PS77/275-3; PS77/281-1; PS77/286-1; PS77/291-1; PS77/292-2; PS77/300-1; PS77/301-1; PS77/308-1; PS77/312-2; PS77/312-4; Pseudochaenichthys georgianus; Pseudochaenichthys georgianus, mass; Racovitzia glacialis; Racovitzia glacialis, mass; Scotia Sea, southwest Atlantic; South Atlantic Ocean; Sprattus fuegensis; Sprattus fuegensis, mass; Station label; Trematomus; Trematomus, mass; Trematomus bernacchii; Trematomus bernacchii, mass; Trematomus eulepidotus; Trematomus eulepidotus, mass; Trematomus hansoni; Trematomus hansoni, mass; Trematomus lepidorhinus; Trematomus lepidorhinus, mass; Trematomus loennbergii; Trematomus loennbergii, mass; Trematomus nicolai; Trematomus nicolai, mass; Trematomus pennellii; Trematomus pennellii, mass; Trematomus scotti; Trematomus scotti, mass; Weddell Sea; Zoarcidae; Zoarcidae, mass
    Type: Dataset
    Format: text/tab-separated-values, 1114 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    (Table 1) Comparison of tissue masses of first, second and third gill arches from Gobionotothen gibberifrons, Notothenia coriiceps and Zoarces viviparus
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Fraction; Mass; Mass, standard deviation; Sample amount, subset; Sample type; Standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 48 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Seawater carbonate chemistry and biological processes during experiments with the spider crab Hyas araneus in Kongsfjorden, Svalbard, 2009 (2013)
    PANGAEA
    Details
    Publication Date: 2023-07-10
    Description: With global climate change, ocean warming and acidification occur concomitantly. In this study, we tested the hypothesis that increasing CO2 levels affect the acid-base balance and reduce the activity capacity of the Arctic spider crab Hyas araneus, especially at the limits of thermal tolerance. Crabs were acclimated to projected oceanic CO2 levels for 12 days (today: 380, towards the year 2100: 750 and 1,120 and beyond: 3,000 ?atm) and at two temperatures (1 and 4 °C). Effects of these treatments on the righting response (RR) were determined (1) at acclimation temperatures followed by (2) righting when exposed to an additional acute (15 min) heat stress at 12 °C. Prior to (resting) and after the consecutive stresses of combined righting activity and heat exposure, acid-base status and lactate contents were measured in the haemolymph. Under resting conditions, CO2 caused a decrease in haemolymph pH and an increase in oxygen partial pressure. Despite some buffering via an accumulation of bicarbonate, the extracellular acidosis remained uncompensated at 1 °C, a trend exacerbated when animals were acclimated to 4 °C. The additional combined exposure to activity and heat had only a slight effect on blood gas and acid-base status. Righting activity in all crabs incubated at 1 and 4 °C was unaffected by elevated CO2 levels or acute heat stress but was significantly reduced when both stressors acted synergistically. This impact was much stronger in the group acclimated at 1 °C where some individuals acclimated to high CO2 levels stopped responding. Lactate only accumulated in the haemolymph after combined righting and heat stress. In the group acclimated to 1 °C, lactate content was highest under normocapnia and lowest at the highest CO2 level in line with the finding that RR was largely reduced. In crabs acclimated to 4 °C, the RR was less affected by CO2 such that activity caused lactate to increase with rising CO2 levels. In line with the concept of oxygen and capacity limited thermal tolerance, all animals exposed to temperature extremes displayed a reduction in scope for performance, a trend exacerbated by increasing CO2 levels. Additionally, the differences seen between cold- and warm-acclimated H. araneus after heat stress indicate that a small shift to higher acclimation temperatures also alleviates the response to temperature extremes, indicating a shift in the thermal tolerance window which reduces susceptibility to additional CO2 exposure.
    Keywords: Calculated; Calculated after Heisler 1986; Calculated using CO2SYS; Carbon, inorganic, dissolved; CO2-Analyser Corning; Date; Enzymatic test; EPOCA; European Project on Ocean Acidification; Experimental treatment; Hyas araneus, haemolymph, bicarbonate ion; Hyas araneus, haemolymph, bicarbonate ion, standard deviation; Hyas araneus, haemolymph, lactate; Hyas araneus, haemolymph, lactate, standard deviation; Hyas araneus, haemolymph, oxygen content; Hyas araneus, haemolymph, partial pressure of carbon dioxide; Hyas araneus, haemolymph, partial pressure of carbon dioxide, standard deviation; Hyas araneus, haemolymph, partial pressure of oxygen; Hyas araneus, haemolymph, partial pressure of oxygen, standard deviation; Hyas araneus, haemolymph, pH; Hyas araneus, haemolymph, total carbon dioxide; Hyas araneus, righting responce; Hyas araneus, righting responce, standard deviation; Identification; Oxygen optode, Aanderaa; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH meter (Mettler Toledo, USA); Salinity; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 302 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Gill tissue masses and oxygen consumption of Gobionotothen gibberifrons, Notothenia coriiceps and Zoarces viviparus (2010)
    PANGAEA
    In:  Supplement to: Deigweiher, Katrin; Hirse, Timo; Bock, Christian; Lucassen, Magnus; Pörtner, Hans-Otto (2010): Hypercapnia induced shifts in gill energy budgets of Antarctic notothenioids. Journal of Comparative Physiology B-Biochemical Systemic and Environmentalphysiology, 180(3), 347-359, https://doi.org/10.1007/s00360-009-0413-x
    Details
    Publication Date: 2023-10-28
    Description: Mechanisms responsive to hypercapnia (elevated CO2 concentrations) and shaping branchial energy turnover were investigated in isolated perfused gills of two Antarctic Notothenioids (Gobionotothen gibberifrons, Notothenia coriiceps). Branchial oxygen consumption was measured under normo- versus hypercapnic conditions (10,000 ppm CO2) at high extracellular pH values. The fractional costs of ion regulation, protein and RNA synthesis in the energy budgets were determined using specific inhibitors. Overall gill energy turnover was maintained under pH compensated hypercapnia in both Antarctic species as well as in a temperate zoarcid (Zoarces viviparus). However, fractional energy consumption by the examined processes rose drastically in G. gibberifrons (100-180%), and to a lesser extent in N. coriiceps gills (7-56%). In conclusion, high CO2 concentrations under conditions of compensated acidosis induce cost increments in epithelial processes, however, at maintained overall rates of branchial energy turnover.
    Keywords: AWI; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; SPP1158
    Type: Dataset
    Format: application/zip, 2 datasets
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    DATA PANGAEA
  • 5
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    (Table 2) Values of body and tissue wet weight and respiration rates for whole animals and gill baskets from Gobionotothen gibberifrons, Notothenia coriiceps and Zoarces viviparus (2010)
    PANGAEA
    Details
    Publication Date: 2024-02-24
    Keywords: Experimental treatment; Fraction; Mass; Mass, standard deviation; Oxygen consumption, per mass; Oxygen consumption, standard deviation; Sample amount, subset; Species; Temperature, technical
    Type: Dataset
    Format: text/tab-separated-values, 74 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Impact of ocean acidification and warming on the Mediterranean mussel (Mytilus galloprovincialis) (2014)
    PANGAEA
    In:  Supplement to: Gazeau, Frédéric; Alliouane, Samir; Bock, Christian; Bramanti, Lorenzo; López Correa, Matthias; Gentile, Miriam; Hirse, Timo; Pörtner, Hans-Otto; Ziveri, Patrizia (2014): Impact of ocean acidification and warming on the Mediterranean mussel (Mytilus galloprovincialis). Frontiers in Marine Science, 1, 62, https://doi.org/10.3389/fmars.2014.00062
    Details
    Publication Date: 2024-03-15
    Description: In order to assess the effects of ocean acidification and warming on the Mediterranean mussel (Mytilus galloprovincialis), specimens were reared in aquarium tanks and exposed to elevated conditions of temperature (+3°C) and acidity (-0.3 pH units) for a period of 10 months. The whole system comprised a factorial experimental design with 4 treatments (3 aquaria per treatment): control, lowered pH, elevated temperature, and lowered pH/elevated temperature. Mortality was estimated on a weekly basis and every 2 months, various biometrical parameters and physiological processes were measured: somatic and shell growth, metabolic rates and body fluid acid-base parameters. Mussels were highly sensitive to warming, with 100% mortality observed under elevated temperature at the end of our experiment in October. Mortality rates increased drastically in summer, when water temperature exceeded 25°C. In contrast, our results suggest that survival of this species will not be affected by a pH decrease of 0.3 in the Mediterranean Sea. Somatic and shell growth did not appear very sensitive to ocean acidification and warming during most of the experiment, but were reduced, after summer, in the lowered pH treatment. This was consistent with measured shell net dissolution and observed loss of periostracum, as well as uncompensated extracellular acidosis in the lowered pH treatment indicating a progressive insufficiency in acid-base regulation capacity. However, based on the present dataset, we cannot elucidate if these decreases in growth and regulation capacities after summer are a consequence of lower pH levels during that period or a consequence of a combined effect of acidification and warming. To summarize, while ocean acidification will potentially contribute to lower growth rates, especially in summer when mussels are exposed to sub-optimal conditions, ocean warming will likely pose more serious threats to Mediterranean mussels in this region in the coming decades.
    Keywords: Acid-base regulation; Alkalinity, total; Alkalinity, total, standard deviation; Ammonia excretion; Ammonia excretion, standard error; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Calcification/Dissolution; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); Date; Delta_del_Ebro; EXP; Experiment; Extrapallial fluid partial pressure of carbon dioxide; Extrapallial fluid partial pressure of carbon dioxide, standard error; Extrapallial fluid pH; Extrapallial fluid pH, standard error; Figure; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Haemolymph, partial pressure of carbon dioxide; Haemolymph, partial pressure of carbon dioxide, standard error; Haemolymph, pH; Haemolymph, pH, standard error; Incubation duration; Laboratory experiment; Mass; Mass, standard error; Mediterranean Sea; Mollusca; Mortality; Mortality, standard error; Mortality/Survival; Mytilus galloprovincialis; Net calcification rate of calcium carbonate; Net calcification rate of calcium carbonate, standard error; OA-ICC; Ocean Acidification International Coordination Centre; Other metabolic rates; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; Potentiometric; Potentiometric titration; Respiration; Respiration rate, oxygen; Respiration rate, oxygen, standard error; Salinity; Salinity, standard deviation; Shell, mass; Shell, mass, standard error; Shell length; Shell length, standard error; Single species; Species; Temperate; Temperature; Temperature, water; Temperature, water, standard deviation; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 5472 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    The synergistic effects of increasing temperature and CO2 levels on activity capacity and acid-base balance in the spider crab, Hyas araneus (2013)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Keywords: Acid-base regulation; Alkalinity, total; Animalia; Aragonite saturation state; Arctic; Arthropoda; Behaviour; Benthic animals; Benthos; Bicarbonate ion; Calcite saturation state; Calculated; Calculated after Heisler 1986; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); Enzymatic test; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Hyas araneus; Hyas araneus, haemolymph, bicarbonate ion; Hyas araneus, haemolymph, bicarbonate ion, standard deviation; Hyas araneus, haemolymph, lactate; Hyas araneus, haemolymph, lactate, standard deviation; Hyas araneus, haemolymph, oxygen content; Hyas araneus, haemolymph, partial pressure of carbon dioxide; Hyas araneus, haemolymph, partial pressure of carbon dioxide, standard deviation; Hyas araneus, haemolymph, partial pressure of oxygen; Hyas araneus, haemolymph, partial pressure of oxygen, standard deviation; Hyas araneus, haemolymph, pH; Hyas araneus, haemolymph, total carbon dioxide; Hyas araneus, righting responce; Hyas araneus, righting responce, standard deviation; Laboratory experiment; OA-ICC; Ocean Acidification International Coordination Centre; Oxygen optode, Aanderaa; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; Polar; Potentiometric; Salinity; Sample code/label; Single species; Species; Temperature; Temperature, water; Treatment
    Type: Dataset
    Format: text/tab-separated-values, 468 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Cryo-pelagic coupling in the marginal ice-zone of the central Barents Sea during early spring (1998)
    In:  EPIC3Ber. Polarforsch., 296, pp. 40-42
    Details
    Publication Date: 2014-09-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
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    PAPER (OA)
  • 9
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    Cold induced changes of adenosine levels in common eelpout (Zoarces viviparus): a role in modulating cytochrome-c-oxidase expression (2008)
    In:  EPIC3Journal of Experimental Biology, 211, pp. 1262-1269
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 10
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    Hyperoxia alleviates thermal stress in the Antarctic bivalve, Laternula elliptica: evidence for oxygen limited thermal tolerance. (2006)
    In:  EPIC3Polar biology
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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