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  • 1
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    Increased fitness of a key appendicularian zooplankton species under warmer, acidified seawater conditions (2018)
    PANGAEA
    In:  Supplement to: Bouquet, Jean-Marie; Troedsson, Christofer; Novac, Aliona; Reeve, Magnus; Lechtenbörger, Anna K; Massart, Wendy; Skaar, Katrine S; Aasjord, Anne; Dupont, Sam; Thompson, Eric M (2018): Increased fitness of a key appendicularian zooplankton species under warmer, acidified seawater conditions. PLoS ONE, 13(1), e0190625, https://doi.org/10.1371/journal.pone.0190625
    Details
    Publication Date: 2023-10-23
    Description: Ocean warming and acidification (OA) may alter the fitness of species in marine pelagic ecosystems through community effects or direct physiological impacts. We used the zooplanktonic appendicularian, Oikopleura dioica, to assess temperature and pH effects at mesocosm and microcosm scales. In mesocosms, both OA and warming positively impacted O. dioica abundance over successive generations. In microcosms, the positive impact of OA, was observed to result from increased fecundity. In contrast, increased pH, observed for example during phytoplankton blooms, reduced fecundity. Oocyte fertility and juvenile development were equivalent under all pH conditions, indicating that the positive effect of lower pH on O. dioica abundance was principally due to increased egg number. This effect was influenced by food quantity and quality, supporting possible improved digestion and assimilation at lowered pH. Higher temperature resulted in more rapid growth, faster maturation and earlier reproduction. Thus, increased temperature and reduced pH had significant positive impacts on O. dioica fitness through increased fecundity and shortened generation time, suggesting that predicted future ocean conditions may favour this zooplankton species.
    Keywords: Animalia; Benthos; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (〈20 L); Chordata; Coast and continental shelf; Development; Growth/Morphology; Laboratory experiment; Mesocosm or benthocosm; Mortality/Survival; North Atlantic; OA-ICC; Ocean Acidification International Coordination Centre; Oikopleura dioica; Reproduction; Single species; Temperate; Temperature; Zooplankton
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Seawater carbonate chemistry and Oikopleura dioica growth dynamics in mesocosm experiment (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Keywords: Alkalinity, total; Animalia; Aragonite saturation state; Benthos; Bicarbonate ion; Biomass/Abundance/Elemental composition; Body length; Calcite saturation state; Calculated using CO2calc; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chordata; Coast and continental shelf; Day of experiment; Experiment duration; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Identification; Individuals; Laboratory experiment; Length; Mesocosm or benthocosm; North Atlantic; Oikopleura dioica; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; Registration number of species; Replicate; Silt, mass brutto; Single species; Species; Temperate; Temperature; Temperature, water; Treatment; Type; Uniform resource locator/link to reference; Width; Zooplankton
    Type: Dataset
    Format: text/tab-separated-values, 50770 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Seawater carbonate chemistry and Oikopleura dioica survival, growth, developmental and maturation kinetics in microcosm experiment (2018)
    PANGAEA
    Details
    Publication Date: 2024-03-15
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Benthos; Bicarbonate ion; Body length; Body length, standard deviation; Bottles or small containers/Aquaria (〈20 L); Calcite saturation state; Calculated using CO2calc; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chordata; Coast and continental shelf; Day of experiment; Development; Diet; EXP; Experiment; Experiment duration; Fecundity; Fecundity, standard deviation; Fertilization success rate; Fertilization success rate, standard error; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; Intrinsic rate of natural increase; Intrinsic rate of natural increase, standard error; Juvenile development; Juvenile development, standard error; Laboratory experiment; Mortality/Survival; North Atlantic; Oikopleura dioica; Partial pressure of carbon dioxide, standard deviation; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; Proportion of survival; Proportion of survival, standard deviation; Registration number of species; Reproduction; Rosslandspollen; Salinity; Salinity, standard deviation; Single species; Species; Temperate; Temperature; Temperature, water; Temperature, water, standard deviation; Time, standard error; Time in hours; Treatment; Type; Uniform resource locator/link to reference; Zooplankton
    Type: Dataset
    Format: text/tab-separated-values, 4272 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Increased appendicularian zooplankton alter carbon cycling under warmer more acidified ocean conditions (2017)
    ASLO (Association for the Sciences of Limnology and Oceanography)
    In:  Limnology and Oceanography, 62 (4). pp. 1541-1551.
    Details
    Publication Date: 2021-03-30
    Description: Anthropogenic atmospheric loading of CO2 raises concerns about combined effects of increasing ocean temperature and acidification, on biological processes. In particular, the response of appendicularian zooplankton to climate change may have significant ecosystem implications as they can alter biogeochemical cycling compared to classical copepod dominated food webs. However, the response of appendicularians to multiple climate drivers and effect on carbon cycling are still not well understood. Here, we investigated how gelatinous zooplankton (appendicularians) affect carbon cycling of marine food webs under conditions predicted by future climate scenarios. Appendicularians performed well in warmer conditions and benefited from low pH levels, which in turn altered the direction of carbon flow. Increased appendicularians removed particles from the water column that might otherwise nourish copepods by increasing carbon transport to depth from continuous discarding of filtration houses and fecal pellets. This helps to remove CO2 from the atmosphere, and may also have fisheries implications.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Format: text
    DOI: 10.1002/lno.10516
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 5
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    Increased fitness of a key appendicularian zooplankton species under warmer, acidified seawater conditions (2018)
    Public Library of Science
    In:  PLoS ONE, 13 (1). e0190625.
    Details
    Publication Date: 2021-02-08
    Description: Ocean warming and acidification (OA) may alter the fitness of species in marine pelagic ecosystems through community effects or direct physiological impacts. We used the zooplanktonic appendicularian, Oikopleura dioica, to assess temperature and pH effects at mesocosm and microcosm scales. In mesocosms, both OA and warming positively impacted O. dioica abundance over successive generations. In microcosms, the positive impact of OA, was observed to result from increased fecundity. In contrast, increased pH, observed for example during phytoplankton blooms, reduced fecundity. Oocyte fertility and juvenile development were equivalent under all pH conditions, indicating that the positive effect of lower pH on O. dioica abundance was principally due to increased egg number. This effect was influenced by food quantity and quality, supporting possible improved digestion and assimilation at lowered pH. Higher temperature resulted in more rapid growth, faster maturation and earlier reproduction. Thus, increased temperature and reduced pH had significant positive impacts on O. dioica fitness through increased fecundity and shortened generation time, suggesting that predicted future ocean conditions may favour this zooplankton species. © 2018 Bouquet et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1371/journal.pone.0190625
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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