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  • 1
    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
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  • 2
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    Elsevier
    In:  Journal of Marine Systems, 60 (3/4). pp. 285-301.
    Publication Date: 2017-07-12
    Description: In late summer 2002 and 2003, exceptionally warm inflow events of saline water were observed in the Baltic. These warm saline waters were embedded in the halocline of the Bornholm Basin and caused a strong anomaly of the seasonal temperature cycle. The temperature in October 2002 was the highest ever observed in the halocline of the Bornholm Basin. Although the oxygen content of the inflowing water was only about 1.5 ml l− 1 at the Darss Sill, it caused a moderate ventilation of the halocline in the Bornholm Basin. On the way through the Arkona Basin, the entrainment of ambient water increased the oxygen content of the inflowing saline water masses. Warm summer inflows were rare events in the last 50 years, but their frequency has increased since 1990. This is likely caused by climate change. The analysis of a 50-year time series of hydrographic parameters reveals significant changes of the thermal regime around the year 1988. The winter surface and intermediate water temperatures of the Bornholm Basin increased by about 1 °C. Also, the duration of warm water in the surface layer was prolonged after 1988. A high correlation between the minimum intermediate winter water temperatures and the NAO winter index was found. Since temperature is a key parameter for many biological processes various responses of the ecosystem to the change in hydrographic conditions could be expected. Possible biological implications of the warm inflow events for the ecosystem are discussed.
    Type: Article , PeerReviewed
    Format: text
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  • 3
    Publication Date: 2019-03-11
    Type: Report , NonPeerReviewed
    Format: text
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  • 4
    Publication Date: 2019-03-11
    Type: Report , NonPeerReviewed , info:eu-repo/semantics/book
    Format: text
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  • 5
    Publication Date: 2019-03-11
    Type: Report , NonPeerReviewed
    Format: text
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  • 6
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    PANGAEA
    In:  Supplement to: Arendt, Kristine Engel; Dutz, Jörg; Jónasdóttir, Sigrún Huld; Jung-Madsen, Signe; Mortensen, John; Møller, Eva Friis; Nielsen, Torkel Gissel (2011): Effects of suspended sediments on copepods feeding in a glacial influenced sub-Arctic fjord. Journal of Plankton Research, 33(10), 1526-1537, https://doi.org/10.1093/plankt/fbr054
    Publication Date: 2024-01-17
    Description: We investigated the effect of suspended sediments on the vital rates of the copepods Calanus finmarchicus, Pseudocalanus sp. and Metridia longa in a Greenland sub-Arctic fjord. The fjord had a gradient of suspended particulate matter (SPM) with high concentrations (〉50 mg/L) in the inner fjord due to glacial melt water runoff. Laboratory experiments showed that when feeding on the diatom Thalassiosira weissflogii specific ingestion rates were low at high concentrations of suspended sediment for C. finmarchicus (〉20 mg/L) and Pseudocalanus sp. (〉50 mg/L), while no effect was found for M. longa. For C. finmarchicus, a relatively constant fecal pellet production (FPP) and fecal pellet volume suggested ingestion of sediment, which probably led to reduction in egg production rates (EPRs) at high sediment concentrations. For Pseudocalanus sp., FPP decreased with increasing sediment concentrations, while no effect was observed on EPR. No significant difference was observed in FPP for M. longa feeding on the diatom T. weissflogii compared to the ciliate Strombidium sulcatum. The study shows that high sediment concentrations influence the capability of carbon turnover in C. finmarchicus and Pseudocalanus sp., while M. longa appears to be more tolerant to high sediment loads. Therefore, high concentrations of SPM could potentially influence the species composition of glacially influenced fjords.
    Keywords: International Polar Year (2007-2008); IPY
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 7
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    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2024-01-17
    Keywords: AL237/1; AL237/1_572-BONGO_1; AL237/1_573-BONGO_2; AL237/1_574-BONGO_3; AL237/1_575-BONGO_4; AL237/1_576-BONGO_5; AL237/1_577-BONGO_6; AL237/1_578-BONGO_7; AL237/1_579-BONGO_8; AL237/1_580-BONGO_9; AL237/1_581-BONGO_10; AL237/1_582-BONGO_11; AL237/1_583-BONGO_12; AL237/1_584-BONGO_13; AL237/1_585-BONGO_14; AL237/1_586-BONGO_15; AL237/1_587-BONGO_16; AL237/1_588-BONGO_17; AL237/1_589-BONGO_18; AL237/1_590-BONGO_19; AL237/1_591-BONGO_20; AL237/1_592-BONGO_21; AL237/1_593-BONGO_22; AL237/1_594-BONGO_23; AL237/1_595-BONGO_24; AL237/1_596-BONGO_25; AL237/1_597-BONGO_26; AL237/1_598-BONGO_27; AL237/1_599-BONGO_28; AL237/1_600-BONGO_29; AL237/1_601-BONGO_30; AL237/1_602-BONGO_31; AL237/1_603-BONGO_32; AL237/1_604-BONGO_33; AL237/1_605-BONGO_34; AL237/1_606-BONGO_35; AL237/1_607-BONGO_36; AL237/1_608-BONGO_37; AL237/1_609-BONGO_38; AL237/1_610-BONGO_39; AL237/1_611-BONGO_40; AL237/1_612-BONGO_41; AL237/1_613-BONGO_42; AL237/1_614-BONGO_43; AL237/1_615-BONGO_44; AL237/1_616-BONGO_45; AL237/1_617-BONGO_46; AL237/1_618-BONGO_47; AL237/1_619-BONGO_48; AL237/1_620-BONGO_49; AL237/1_621-BONGO_50; AL237/1_622-BONGO_51; AL237/1_623-BONGO_52; Alkor (1990); Aurelia aurita; BONGO; Bongo net; Chrysaora hysoscella; Counting; Cyanea capillata; Cyanea lamarckii; DATE/TIME; Depth, bathymetric; Depth, bottom/max; Depth, top/min; DEPTH, water; Duration; Event label; GG04_04a; Global Ocean Ecosystem Dynamics; GLOBEC; LATITUDE; LONGITUDE; North Sea; NS0001; NS0002; NS0003; NS0004; NS0005; NS0006; NS0007; NS0009; NS0010; NS0011; NS0012; NS0013; NS0014; NS0015; NS0016; NS0017; NS0018; NS0019; NS0020; NS0021; NS0022; NS0023; NS0024; NS0025; NS0027; NS0028; NS0029; NS0031; NS0032; NS0033; NS0034; NS0035; NS0036; NS0037; NS0038; NS0039; NS0040; NS0041; NS0042; NS0043; NS0044; NS0045; NS0046; NS0047; NS0048; NS0049; NS0050; NS0051; NS0052; NS0053; NS0054; NS0055; Sample code/label; Wire length
    Type: Dataset
    Format: text/tab-separated-values, 723 data points
    Location Call Number Limitation Availability
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  • 8
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    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publication Date: 2024-01-17
    Keywords: Alexander von Humboldt; Aurelia aurita; AvH44/02/11; AvH44/02/11_BONGO_1; AvH44/02/11_BONGO_10; AvH44/02/11_BONGO_11; AvH44/02/11_BONGO_12; AvH44/02/11_BONGO_13; AvH44/02/11_BONGO_14; AvH44/02/11_BONGO_15; AvH44/02/11_BONGO_16; AvH44/02/11_BONGO_17; AvH44/02/11_BONGO_18; AvH44/02/11_BONGO_19; AvH44/02/11_BONGO_2; AvH44/02/11_BONGO_20; AvH44/02/11_BONGO_21; AvH44/02/11_BONGO_22; AvH44/02/11_BONGO_23; AvH44/02/11_BONGO_24; AvH44/02/11_BONGO_25; AvH44/02/11_BONGO_26; AvH44/02/11_BONGO_27; AvH44/02/11_BONGO_28; AvH44/02/11_BONGO_29; AvH44/02/11_BONGO_3; AvH44/02/11_BONGO_30; AvH44/02/11_BONGO_31; AvH44/02/11_BONGO_32; AvH44/02/11_BONGO_33; AvH44/02/11_BONGO_34; AvH44/02/11_BONGO_35; AvH44/02/11_BONGO_36; AvH44/02/11_BONGO_37; AvH44/02/11_BONGO_4; AvH44/02/11_BONGO_5; AvH44/02/11_BONGO_6; AvH44/02/11_BONGO_7; AvH44/02/11_BONGO_8; AvH44/02/11_BONGO_9; Baltic Sea; BB0003; BB0004; BB0005; BB0006; BB0007; BB0008; BB0009; BB0010; BB0011; BB0011a; BB0011b; BB0012; BB0012a; BB0012b; BB0013; BB0014; BB0024; BB0025; BB0026; BB0027; BB0028; BB0030; BB0031; BB0032; BB0033; BB0034; BB0035; BB0036; BB0037; BB0039; BB0040; BB0041; BB0043; BB0043a; BB0043b; BB0044; BB0045; BONGO; Bongo net; Counting; DATE/TIME; Depth, bathymetric; Depth, bottom/max; Depth, top/min; DEPTH, water; Duration; Event label; GG02_13; Global Ocean Ecosystem Dynamics; GLOBEC; LATITUDE; LONGITUDE; Sample code/label; Wire length
    Type: Dataset
    Format: text/tab-separated-values, 292 data points
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  • 9
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    PANGAEA
    In:  Leibniz Institute for Baltic Sea Research, Warnemünde
    Publication Date: 2024-01-17
    Keywords: Acarina; Acartia bifilosa; Acartia bifilosa, c1; Acartia bifilosa, c2; Acartia bifilosa, c3; Acartia bifilosa, c4; Acartia bifilosa, c5; Acartia bifilosa, female; Acartia bifilosa, male; Acartia clausi, c1; Acartia clausi, c2; Acartia clausi, c3; Acartia clausi, c4; Acartia clausi, c5; Acartia clausi, female; Acartia clausi, male; Acartia discaudata; Acartia longiremis; Acartia longiremis, c1; Acartia longiremis, c2; Acartia longiremis, c3; Acartia longiremis, c4; Acartia longiremis, c5; Acartia longiremis, female; Acartia longiremis, male; Acartia spp.; Acartia spp., nauplii; Acartia tonsa, c2; Acartia tonsa, c3; Acartia tonsa, c4; Acartia tonsa, c5; Acartia tonsa, female; Acartia tonsa, male; AL237/1; AL237/1_572-BONGO_1; AL237/1_573-BONGO_2; AL237/1_576-BONGO_5; AL237/1_579-BONGO_8; AL237/1_587-BONGO_16; AL237/1_590-BONGO_19; AL237/1_591-BONGO_20; AL237/1_592-BONGO_21; AL237/1_593-BONGO_22; AL237/1_594-BONGO_23; AL237/1_598-BONGO_27; AL237/1_604-BONGO_33; AL237/1_607-BONGO_36; AL237/1_609-BONGO_38; AL237/1_610-BONGO_39; AL237/1_613-BONGO_42; AL237/1_615-BONGO_44; AL237/1_616-BONGO_45; AL237/1_617-BONGO_46; AL237/1_618-BONGO_47; Alkor (1990); Anomura; Appendicularia; Balanidae, cypris; Balanidae, nauplii; Bivalvia; Bivalvia, larvae; BONGO; Bongo net; Bosmina coregoni maritima; Brachyura; Bryozoa; Calanoides; Calanus finmarchicus; Calanus finmarchicus, c1; Calanus finmarchicus, c2; Calanus finmarchicus, c3; Calanus finmarchicus, c4; Calanus finmarchicus, c5; Calanus finmarchicus, female; Calanus finmarchicus, male; Candacia spp.; Caridea; Centropages hamatus; Centropages hamatus, c1; Centropages hamatus, c2; Centropages hamatus, c3; Centropages hamatus, c4; Centropages hamatus, c5; Centropages hamatus, female; Centropages hamatus, male; Centropages hamatus, nauplii; Centropages spp.; Centropages typicus; Centropages typicus, c1; Centropages typicus, c2; Centropages typicus, c3; Centropages typicus, c4; Centropages typicus, c5; Centropages typicus, female; Centropages typicus, male; Chaetognatha; Chordata; Cladocera; Coelenterata; Copepoda; Copepoda, eggs; Copepoda, egg sac; Copepoda, nauplii; Crangon allmanni, I-II; Crangon allmanni, III-IV; Crangon allmanni, V-VI; Crangon crangon, I-II; Crangon crangon, III-IV; Crangon crangon, V-VI; Crangonidae; Crangon spp., I-II; Crangon spp., V-VI; Ctenophora; Cumacea; Cyclopoida; DATE/TIME; Decapoda; Depth, bathymetric; Depth, bottom/max; Depth, top/min; DEPTH, water; Duration; Echinodermata; Euphausiacea; Eurytemora hirundoides, c3; Eurytemora hirundoides, c4; Eurytemora hirundoides, c5; Eurytemora hirundoides, female; Eurytemora hirundoides, male; Eurytemora spp.; Eurytemora spp., c1; Eurytemora spp., c2; Eurytemora spp., c3; Eurytemora spp., c4; Eurytemora spp., c5; Eurytemora spp., female; Eurytemora spp., male; Eurytemora spp., nauplii; Evadne nordmanni; Evadne spp.; Event label; Foraminifera, planktic; Fritillaria borealis; Fritillaria spp.; Gammaridae; Gastropoda; Gastropoda, larvae; GG04_04a; Global Ocean Ecosystem Dynamics; GLOBEC; Harpacticoida; Hydrozoa; Hyperiidae; Invertebrata, eggs; Invertebrata, larvae; Isias clavipes; Isopoda; LATITUDE; LONGITUDE; Metridia spp.; Microcalanus spp.; Mysidacea; Nematoda; Nemertea, larvae; North Sea; NS0001; NS0007; NS0011; NS0015; NS0019; NS0020; NS0021; NS0022; NS0023; NS0031; NS0032; NS0033; NS0034; NS0035; NS0038; NS0040; NS0041; NS0042; NS0047; NS0049; Oikopleura spp.; Oithona similis; Oithona similis, c1; Oithona similis, c2; Oithona similis, c3; Oithona similis, c4; Oithona similis, c5; Oithona similis, female; Oithona similis, male; Oithona spp.; Oithona spp., c1; Oithona spp., c2; Oithona spp., c3; Oithona spp., c4; Oithona spp., c5; Oithona spp., female; Oithona spp., male; Ostracoda; Paguridae; Paracalanus parvus, c3; Paracalanus parvus, c4; Paracalanus parvus, c5; Paracalanus spp.; Paracalanus spp., c1; Paracalanus spp., c2; Paracalanus spp., c3; Paracalanus spp., c4; Paracalanus spp., c5; Paracalanus spp., female; Paracalanus spp., male; Penilia avirostris; Phoronida; Phyllopus spp.; Pisces, eggs; Pisces, larvae; Platyhelminthes; Podon, juvenile; Podon intermedius; Podon leucartii; Podon spp.; Polychaeta; Polychaeta, larvae; Pontellidae; Porcellanidae; Pseudocalanus spp.; Pseudocalanus spp., c1; Pseudocalanus spp., c2; Pseudocalanus spp., c3; Pseudocalanus spp., c4; Pseudocalanus spp., c5; Pseudocalanus spp., female; Pseudocalanus spp., male; Pseudocalanus spp., nauplii; Rotatoria; Rotatoria, eggs; Rotifera-Synchaeta; Sagitta spp.; Sample code/label; Siphonophora; Temora longicornis; Temora longicornis, c1; Temora longicornis, c2; Temora longicornis, c3; Temora longicornis, c4; Temora longicornis, c5; Temora longicornis, female; Temora longicornis, male; Temora longicornis, nauplii; Thaliacea; Thecosomata; Tomopteris spp.; Trochophora; Wire length; Zooplankton, gelatinous; Zooplankton indeterminata
    Type: Dataset
    Format: text/tab-separated-values, 4200 data points
    Location Call Number Limitation Availability
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  • 10
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    PANGAEA
    In:  Leibniz Institute for Baltic Sea Research, Warnemünde
    Publication Date: 2024-01-17
    Keywords: Acarina; Acartia bifilosa; Acartia bifilosa, c1; Acartia bifilosa, c2; Acartia bifilosa, c3; Acartia bifilosa, c4; Acartia bifilosa, c5; Acartia bifilosa, female; Acartia bifilosa, male; Acartia clausi, c1; Acartia clausi, c2; Acartia clausi, c3; Acartia clausi, c4; Acartia clausi, c5; Acartia clausi, female; Acartia clausi, male; Acartia discaudata; Acartia longiremis; Acartia longiremis, c1; Acartia longiremis, c2; Acartia longiremis, c3; Acartia longiremis, c4; Acartia longiremis, c5; Acartia longiremis, female; Acartia longiremis, male; Acartia spp.; Acartia spp., nauplii; Acartia tonsa, c2; Acartia tonsa, c3; Acartia tonsa, c4; Acartia tonsa, c5; Acartia tonsa, female; Acartia tonsa, male; Alexander von Humboldt; Anomura; Appendicularia; AvH44/03/01_24-BONGO_25; AvH44/03/01_26-BONGO_27; AvH44/03/01_44-BONGO_40; AvH44/03/01_47-BONGO_43; AvH44/03/01_56-BONGO_52; AvH44/03/01_6-BONGO_7; AvH44/03/01/1; Balanidae, cypris; Balanidae, nauplii; Baltic Sea; BB0006; BB0021; BB0023; BB0035; BB0041; BB0045; Bivalvia; Bivalvia, larvae; BONGO; Bongo net; Bosmina coregoni maritima; Brachyura; Bryozoa; Calanoides; Calanus finmarchicus; Calanus finmarchicus, c1; Calanus finmarchicus, c2; Calanus finmarchicus, c3; Calanus finmarchicus, c4; Calanus finmarchicus, c5; Calanus finmarchicus, female; Calanus finmarchicus, male; Candacia spp.; Caridea; Centropages hamatus; Centropages hamatus, c1; Centropages hamatus, c2; Centropages hamatus, c3; Centropages hamatus, c4; Centropages hamatus, c5; Centropages hamatus, female; Centropages hamatus, male; Centropages hamatus, nauplii; Centropages spp.; Centropages typicus; Centropages typicus, c1; Centropages typicus, c2; Centropages typicus, c3; Centropages typicus, c4; Centropages typicus, c5; Centropages typicus, female; Centropages typicus, male; Chaetognatha; Chordata; Cladocera; Coelenterata; Copepoda; Copepoda, eggs; Copepoda, egg sac; Copepoda, nauplii; Crangon allmanni, I-II; Crangon allmanni, III-IV; Crangon allmanni, V-VI; Crangon crangon, I-II; Crangon crangon, III-IV; Crangon crangon, V-VI; Crangonidae; Crangon spp., I-II; Crangon spp., V-VI; Ctenophora; Cumacea; Cyclopoida; DATE/TIME; Decapoda; Depth, bathymetric; Depth, bottom/max; Depth, top/min; DEPTH, water; Duration; Echinodermata; Euphausiacea; Eurytemora hirundoides, c3; Eurytemora hirundoides, c4; Eurytemora hirundoides, c5; Eurytemora hirundoides, female; Eurytemora hirundoides, male; Eurytemora spp.; Eurytemora spp., c1; Eurytemora spp., c2; Eurytemora spp., c3; Eurytemora spp., c4; Eurytemora spp., c5; Eurytemora spp., female; Eurytemora spp., male; Eurytemora spp., nauplii; Evadne nordmanni; Evadne spp.; Event label; Foraminifera, planktic; Fritillaria borealis; Fritillaria spp.; Gammaridae; Gastropoda; Gastropoda, larvae; GG03_02a; Global Ocean Ecosystem Dynamics; GLOBEC; Harpacticoida; Hydrozoa; Hyperiidae; Invertebrata, eggs; Invertebrata, larvae; Isias clavipes; Isopoda; LATITUDE; LONGITUDE; Metridia spp.; Microcalanus spp.; Mysidacea; Nematoda; Nemertea, larvae; Oikopleura spp.; Oithona similis; Oithona similis, c1; Oithona similis, c2; Oithona similis, c3; Oithona similis, c4; Oithona similis, c5; Oithona similis, female; Oithona similis, male; Oithona spp.; Oithona spp., c1; Oithona spp., c2; Oithona spp., c3; Oithona spp., c4; Oithona spp., c5; Oithona spp., female; Oithona spp., male; Ostracoda; Paguridae; Paracalanus parvus, c3; Paracalanus parvus, c4; Paracalanus parvus, c5; Paracalanus spp.; Paracalanus spp., c1; Paracalanus spp., c2; Paracalanus spp., c3; Paracalanus spp., c4; Paracalanus spp., c5; Paracalanus spp., female; Paracalanus spp., male; Penilia avirostris; Phoronida; Phyllopus spp.; Pisces, eggs; Pisces, larvae; Platyhelminthes; Podon, juvenile; Podon intermedius; Podon leucartii; Podon spp.; Polychaeta; Polychaeta, larvae; Pontellidae; Porcellanidae; Pseudocalanus spp.; Pseudocalanus spp., c1; Pseudocalanus spp., c2; Pseudocalanus spp., c3; Pseudocalanus spp., c4; Pseudocalanus spp., c5; Pseudocalanus spp., female; Pseudocalanus spp., male; Pseudocalanus spp., nauplii; Rotatoria; Rotatoria, eggs; Rotifera-Synchaeta; Sagitta spp.; Sample code/label; Siphonophora; Temora longicornis; Temora longicornis, c1; Temora longicornis, c2; Temora longicornis, c3; Temora longicornis, c4; Temora longicornis, c5; Temora longicornis, female; Temora longicornis, male; Temora longicornis, nauplii; Thaliacea; Thecosomata; Tomopteris spp.; Trochophora; Wire length; Zooplankton, gelatinous; Zooplankton indeterminata
    Type: Dataset
    Format: text/tab-separated-values, 1259 data points
    Location Call Number Limitation Availability
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