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  • 2020-2024  (26)
  • 2010-2014  (19)
Schlagwörter
Erscheinungszeitraum
Jahr
  • 11
    Publikationsdatum: 2024-03-09
    Schlagwort(e): Acartia spp., c1-c3; Acartia spp., c4-c5; Acartia spp., female; Acartia spp., male; Aetidaeidae, c1-c3; Aetidaeidae, c4-c5; Aetidaeidae, female; Aetidaeidae, male; Aetidaeus arcuatus, c1-c3; Aetidaeus arcuatus, c4-c5; Aetidaeus arcuatus, female; Aetidaeus arcuatus, male; Aetidaeus armatus, c1-c3; Aetidaeus armatus, c4-c5; Aetidaeus armatus, female; Aetidaeus armatus, male; Aetidaeus australis, c1-c3; Aetidaeus australis, c4-c5; Aetidaeus australis, female; Aetidaeus australis, male; Aetidaeus giesbrechti, c1-c3; Aetidaeus giesbrechti, c4-c5; Aetidaeus giesbrechti, female; Aetidaeus giesbrechti, male; Aetidaeus spp., c1-c3; Aetidaeus spp., c4-c5; Aetidaeus spp., female; Aetidaeus spp., male; Aetideopsis carinata, c1-c3; Aetideopsis carinata, c4-c5; Aetideopsis carinata, female; Aetideopsis carinata, male; Aetideopsis spp., c1-c3; Aetideopsis spp., c4-c5; Aetideopsis spp., female; Aetideopsis spp., male; Amallothrix spp., c1-c3; Amallothrix spp., c4-c5; Amallothrix spp., female; Amallothrix spp., male; ANT-XXIX/1; Augaptilidae, c1-c3; Augaptilidae, c4-c5; Augaptilidae, female; Augaptilidae, male; Augaptilus anceps, c1-c3; Augaptilus anceps, c4-c5; Augaptilus anceps, female; Augaptilus anceps, male; Augaptilus longicaudatus, c1-c3; Augaptilus longicaudatus, c4-c5; Augaptilus longicaudatus, female; Augaptilus longicaudatus, male; Augaptilus megalurus, c1-c3; Augaptilus megalurus, c4-c5; Augaptilus megalurus, female; Augaptilus megalurus, male; Augaptilus spinifrons, c1-c3; Augaptilus spinifrons, c4-c5; Augaptilus spinifrons, female; Augaptilus spinifrons, male; Augaptilus spp., c1-c3; Augaptilus spp., c4-c5; Augaptilus spp., female; Augaptilus spp., male; Calanidae, c1-c3; Calanidae, c4-c5; Calanidae, female; Calanidae, male; Calanoides natalis, c1-c3; Calanoides natalis, c4-c5; Calanoides natalis, female; Calanoides natalis, male; Calocalanus spp., c1-c3; Calocalanus spp., c4-c5; Calocalanus spp., female; Calocalanus spp., male; Candacia bipinnata, c1-c3; Candacia bipinnata, c4-c5; Candacia bipinnata, female; Candacia bipinnata, male; Candacia curta, c1-c3; Candacia curta, c4-c5; Candacia curta, female; Candacia curta, male; Candacia elongata, c1-c3; Candacia elongata, c4-c5; Candacia elongata, female; Candacia elongata, male; Candacia ethiopica, c1-c3; Candacia ethiopica, c4-c5; Candacia ethiopica, female; Candacia ethiopica, male; Candacia longimana, c1-c3; Candacia longimana, c4-c5; Candacia longimana, female; Candacia longimana, male; Candacia spp., c1-c3; Candacia spp., c4-c5; Candacia spp., female; Candacia spp., male; Centropages bradyi, c1-c3; Centropages bradyi, c4-c5; Centropages bradyi, female; Centropages bradyi, male; Cephalophanes spp., c1-c3; Cephalophanes spp., c4-c5; Cephalophanes spp., female; Cephalophanes spp., male; Clausocalanus spp., c1-c3; Clausocalanus spp., c4-c5; Clausocalanus spp., female; Clausocalanus spp., male; Comment; Copepoda; Ctenocalanus spp., c1-c3; Ctenocalanus spp., c4-c5; Ctenocalanus spp., female; Ctenocalanus spp., male; Delibus spp., c1-c3; Delibus spp., c4-c5; Delibus spp., female; Delibus spp., male; Depth, bottom/max; Depth, top/min; DEPTH, water; Disco spp., c1-c3; Disco spp., c4-c5; Disco spp., female; Disco spp., male; Euaugaptilus spp., c1-c3; Euaugaptilus spp., c4-c5; Euaugaptilus spp., female; Euaugaptilus spp., male; Eucalanus hyalinus, c1-c3; Eucalanus hyalinus, c4-c5; Eucalanus hyalinus, female; Eucalanus hyalinus, male; Euchaeta marina, c1-c3; Euchaeta marina, c4-c5; Euchaeta marina, female; Euchaeta marina, male; Euchaeta spp., c1-c3; Euchaeta spp., c4-c5; Euchaeta spp., female; Euchaeta spp., male; Euchaetidae, c1-c3; Euchaetidae, c4-c5; Euchaetidae, female; Euchaetidae, male; Euchirella pulchra, c1-c3; Euchirella pulchra, c4-c5; Euchirella pulchra, female; Euchirella pulchra, male; Euchirella splendes, c1-c3; Euchirella splendes, c4-c5; Euchirella splendes, female; Euchirella splendes, male; Euchirella spp., c1-c3; Euchirella spp., c4-c5; Euchirella spp., female; Euchirella spp., male; Event label; Farrania frigida, c1-c3; Farrania frigida, c4-c5; Farrania frigida, female; Farrania frigida, male; Gaetanus brevicornis, c1-c3; Gaetanus brevicornis, c4-c5; Gaetanus brevicornis, female; Gaetanus brevicornis, male; Gaetanus cf. pileatus, c1-c3; Gaetanus cf. pileatus, c4-c5; Gaetanus cf. pileatus, female; Gaetanus cf. pileatus, male; Gaetanus kruppii, c1-c3; Gaetanus kruppii, c4-c5; Gaetanus kruppii, female; Gaetanus kruppii, male; Gaetanus spp., c1-c3; Gaetanus spp., c4-c5; Gaetanus spp., female; Gaetanus spp., male; Haloptilus cf. longicirrus, c1-c3; Haloptilus cf. longicirrus, c4-c5; Haloptilus cf. longicirrus, female; Haloptilus cf. longicirrus, male; Haloptilus cf. oxycephalus, c1-c3; Haloptilus cf. oxycephalus, c4-c5; Haloptilus cf. oxycephalus, female; Haloptilus cf. oxycephalus, male; Haloptilus spp., c1-c3; Haloptilus spp., c4-c5; Haloptilus spp., female; Haloptilus spp., male; Heterorhabdidae, c1-c3; Heterorhabdidae, c4-c5; Heterorhabdidae, female; Heterorhabdidae, male; Heterorhabdus cf. lobatus, c1-c3; Heterorhabdus cf. lobatus, c4-c5; Heterorhabdus cf. lobatus, female; Heterorhabdus cf. lobatus, male; Heterorhabdus spp., c1-c3; Heterorhabdus spp., c4-c5; Heterorhabdus spp., female; Heterorhabdus spp., male; Lophothrix humilifrons, c1-c3; Lophothrix humilifrons, c4-c5; Lophothrix humilifrons, female; Lophothrix humilifrons, male; Lophothrix spp., c1-c3; Lophothrix spp., c4-c5; Lophothrix spp., female; Lophothrix spp., male; Lucicutia gaussae, c1-c3; Lucicutia gaussae, c4-c5; Lucicutia gaussae, female; Lucicutia gaussae, male; Lucicutia longicornis, c1-c3; Lucicutia longicornis, c4-c5; Lucicutia longicornis, female; Lucicutia longicornis, male; Lucicutia ovalis, c1-c3; Lucicutia ovalis, c4-c5; Lucicutia ovalis, female; Lucicutia ovalis, male; Lucicutia spp., c1-c3; Lucicutia spp., c4-c5; Lucicutia spp., female; Lucicutia spp., male; Mecynocera clausi, c1-c3; Mecynocera clausi, c4-c5; Mecynocera clausi, female; Mecynocera clausi, male; Megacalanus princeps, c1-c3; Megacalanus princeps, c4-c5; Megacalanus princeps, female; Megacalanus princeps, male; Mesocalanus tenuicornis, c1-c3; Mesocalanus tenuicornis, c4-c5; Mesocalanus tenuicornis, female; Mesocalanus tenuicornis, male; Metridia brevicauda, c1-c3; Metridia brevicauda, c4-c5; Metridia brevicauda, female; Metridia brevicauda, male; Metridia discreta, c1-c3; Metridia discreta, c4-c5; Metridia discreta, female; Metridia discreta, male; Metridia effusa, c1-c3; Metridia effusa, c4-c5; Metridia effusa, female; Metridia effusa, male; Metridia lucens, c1-c3; Metridia lucens, c4-c5; Metridia lucens, female; Metridia lucens, male; Metridia princeps, c1-c3; Metridia princeps, c4-c5; Metridia princeps, female; Metridia princeps, male; Metridia spp., c1-c3; Metridia spp., c4-c5; Metridia spp., female; Metridia spp., male; Metridia venusta, c1-c3; Metridia venusta, c4-c5; Metridia venusta, female; Metridia venusta, male; Metridinidae, c1-c3; Metridinidae, c4-c5; Metridinidae, female; Metridinidae, male; Microcalanus spp., c1-c3; Microcalanus spp., c4-c5; Microcalanus spp., female; Microcalanus spp., male; Mimocalanus spp., c1-c3; Mimocalanus spp., c4-c5; Mimocalanus spp., female; Mimocalanus spp., male; Monacilla spp., c1-c3; Monacilla spp., c4-c5; Monacilla spp., female; Monacilla spp., male; Monacilla typica, c1-c3; Monacilla typica, c4-c5; Monacilla typica, female; Monacilla typica, male; MSN; Multiple opening/closing net; Nannocalanus minor, c1-c3; Nannocalanus minor, c4-c5; Nannocalanus minor, female; Nannocalanus minor, male; Neocalanus gracilis, c1-c3; Neocalanus gracilis, c4-c5; Neocalanus gracilis, female; Neocalanus gracilis, male; Neocalanus robustior, c1-c3; Neocalanus robustior, c4-c5; Neocalanus robustior, female; Neocalanus robustior, male; Nullosetigera impar, c1-c3; Nullosetigera impar, c4-c5; Nullosetigera impar, female; Nullosetigera impar, male; Nullosetigera spp., c1-c3; Nullosetigera spp., c4-c5; Nullosetigera spp., female;
    Materialart: Dataset
    Format: text/tab-separated-values, 9342 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 12
    Publikationsdatum: 2024-03-09
    Beschreibung: Gut fluorescence and C/N ratio of Paracalanus sp. determined during two occassions during the mesocosm experiment (Sampling Day 21/22 and 34/35).
    Schlagwort(e): Abundance; Biomass; Carbon/Nitrogen ratio; Climate - Biogeochemistry Interactions in the Tropical Ocean; Coastal Upwelling System in a Changing Ocean; CUSCO; Day of experiment; Gut fluorescence; Gut fluorescence, dry mass; Humboldt Current System; KOSMOS_2017; KOSMOS_2017_Peru; KOSMOS Peru; Lipid; MESO; mesocosm experiment; Mesocosm experiment; Mesocosm label; Oxygen Minimun zone; SFB754; Species; Stable isotopes; Time in minutes; Time point, descriptive; Treatment; Zooplankton
    Materialart: Dataset
    Format: text/tab-separated-values, 1088 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 13
    Publikationsdatum: 2024-03-09
    Beschreibung: A combined stable isotope and fatty acid trophic biomarker approach was adopted for key zooplankton taxa and higher trophic positions of the northern Humboldt Current System to elucidate the pelagic food-web structure and to better understand trophic interactions. Samples covered an extensive spatial range from 8.5°S to 16°S and a vertical range down to 1,000 m depth. Immediately after each haul, specimens were sorted alive in the lab and apparently live and healthy individuals were stored in vials and deep-frozen at -80°C until further lipid and stable isotope analyses. The comprehensive data set covered over 20 zooplankton taxa and indicated that three biomass-rich crustacean species usually dominated the zooplankton community, i.e., the copepods Calanus chilensis at the surface and Eucalanus inermis in the pronounced oxygen minimum zone and the krill Euphausia mucronata, resulting in an overall low number of major trophic pathways toward anchovies. In addition, the semi-pelagic squat lobster Pleuroncodes monodon appears to play a key role in the benthic-pelagic coupling. By partly feeding on benthic resources and by diel vertical migration, P. monodon provides a unique pathway for returning carbon and energy from the sea floor to the epipelagic layer, increasing the food supply for pelagic fish.
    Schlagwort(e): Coastal Upwelling System in a Changing Ocean; CUSCO
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 14
    Publikationsdatum: 2024-03-09
    Beschreibung: Abundance and community structure of calanoid copepods of one day (stn. 16; bottom depth 5,433 m) and one night station (stn. 15; bottom depth 5,462 m) were analyzed (Fig. 1). Stratified vertical hauls were carried out within 24 h with a HydroBios Multinet Maxi (0.5 m2 net opening, 9 nets, 150 µm mesh size) from 800 m depth to the surface (strata: 800-700-600-500-400-300-200-100-50-0 m). The filtered water volume was measured with a flowmeter attached to the net opening. After retrieval, samples were preserved in a 4% borax-buffered formaldehyde in seawater solution. Calanoid copepods were sorted according to their developmental stages (copepodids C1-3 and C4/5, adult females and males), counted and identified to genus or, if possible, to species level under a dissecting microscope (Leica MZ12). Rare species (〈100 individuals per sample) were counted from the entire sample. Total length (TL) of up to 100 calanoid individuals per taxonomic category (i.e. family/genus/species) and stage was measured (~6,600 specimens in total). Dry mass (DM) of calanoids was calculated based on the median TL of each taxonomic category. Individual respiration rates were calculated from individual DM and in situ temperatures, which were then converted to carbon units and used to calculate ingestion and egestion rates.
    Schlagwort(e): calanoid copepods; South Atlantic Ocean; subtropical area; Zooplankton
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 15
    Publikationsdatum: 2024-03-09
    Beschreibung: This dataset shows abundance of zooplankton taxa in individuals per liter as determined by ZooScan. Each data point is one sampling day (date) in one mesocosm (MK). For details on experimental treatments and sampling, refer to Bach et al. 2021 (https://doi.org/10.5194/bg-17-4831-2020) and Ayon et al. 2022 (https://doi.org/10.5194/bg-2022-157). Raw images are stored in https://ecotaxa.obs-vlfr.fr/prj/3784. All taxonomic categories are self-explanatory.
    Schlagwort(e): Abundance; Acartia spp.; Biomass; Bivalvia; Branchiostoma spp.; Calanoida; Ceratium spp.; Climate - Biogeochemistry Interactions in the Tropical Ocean; Cnidaria; Coastal Upwelling System in a Changing Ocean; Copepoda; Copepoda, nauplii; Corycaeidae; Crustacea, larvae; CUSCO; Cyclopoida; DATE/TIME; Diatoms, centrales; Gastropoda; Gut fluorescence; Harpacticoida; Hemicyclops spp.; Humboldt Current System; KOSMOS_2017; KOSMOS_2017_Peru; KOSMOS Peru; Lipid; MESO; mesocosm experiment; Mesocosm experiment; Mesocosm label; Noctilucales; Oncaeidae; Oxygen Minimun zone; Paracalanus spp.; Polychaeta; Sample code/label; Sample volume; SFB754; Spionidae; Stable isotopes; Tintinnida; Zooplankton; ZOOSCAN
    Materialart: Dataset
    Format: text/tab-separated-values, 2430 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 16
    Publikationsdatum: 2024-01-26
    Schlagwort(e): ANT-XVI/3; AWI_Paleo; Biomass as carbon per individual; BONGO; Bongo net; Clearance rate per individual; E_superba_FEEDEXP-4; Ingestion rate of carbon per individual; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS53; Taxon/taxa; Treatment: temperature; Uniform resource locator/link to reference; Weddell Sea
    Materialart: Dataset
    Format: text/tab-separated-values, 6 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 17
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Supplement to: Bode, Maya; Schukat, Anna; Hagen, Wilhelm; Auel, Holger (2013): Predicting metabolic rates of calanoid copepods. Journal of Experimental Marine Biology and Ecology, 444, 1-7, https://doi.org/10.1016/j.jembe.2013.03.003
    Publikationsdatum: 2024-03-13
    Beschreibung: Respiration rates and electron transport system (ETS) activities were measured in dominant copepod species from the northern Benguela upwelling system in January-February 2011 to assess the accuracy of the ETS assay in predicting in vivo respiration rates. Individual respiration rates varied from 0.06 to 1.60 µL O2/h/ind, while ETS activities converted to oxygen consumption ranged from 0.14 to 4.46 µL O2/h/ind. ETS activities were significantly correlated with respiration rates (r**2 = 0.79, p = 0.0001). R:ETS ratios were lowest in slow-moving Eucalanidae (0.11) and highest in diapausing Calanoides carinatus copepodids CV (0.76) while fast-moving copepods showed intermediate R:ETS (0.23-0.37). 82% of the variance of respiration rates could be explained by differences in dry mass, temperature and the activity level of different copepod species. Three regression equations were derived to calculate respiration rates for diapausing, slow- and fast-moving copepods, respectively, based on parameters such as body mass and temperature. Thus, knowledge about the activity level and behavioral characteristics of copepod species can significantly increase the predictive accuracy of metabolic models, which will help to better understand and quantify the impact of copepods on nutrient and carbon fluxes in marine ecosystems.
    Schlagwort(e): GENUS; Geochemistry and ecology of the Namibian upwelling system
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 18
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  MARUM - Center for Marine Environmental Sciences, University Bremen | Supplement to: Schukat, Anna; Teuber, Lena; Hagen, Wilhelm; Wasmund, Norbert; Auel, Holger (2013): Energetics and carbon budgets of dominant calanoid copepods in the northern Benguela upwelling system. Journal of Experimental Marine Biology and Ecology, 442, 1-9, https://doi.org/10.1016/j.jembe.2013.01.024
    Publikationsdatum: 2024-03-13
    Beschreibung: Respiration rates of 16 calanoid copepod species from the northern Benguela upwelling system were measured on board RRS Discovery in September/October 2010 to determine their energy requirements and assess their significance in the carbon cycle. Individual respiration rates were standardised to a mean copepod body mass and a temperature regime typical of the northern Benguela Current. These adjusted respiration rates revealed two different activity levels (active and resting) in copepodids C5 of Calanoides carinatus and females of Rhincalanus nasutus, which reduced their metabolism during dormancy by 82% and 62%, respectively. An allometric function (Imax) and an energy budget approach were performed to calculate ingestion rates. Imax generally overestimated the ingestion rates derived from the energy budget approach by 〉75%. We suggest that the energy budget approach is the more reliable approximation with a total calanoid copepod (mainly females) consumption of 78 mg C m-2 d-1 in neritic regions and 21 mg C m-2 d-1 in oceanic regions. The two primarily herbivorous copepods C. carinatus (neritic) and Nannocalanus minor (oceanic) contributed 83% and 5%, respectively, to total consumption by calanoid copepods. Locally, C. carinatus can remove up to 90% of the diatom biomass daily. In contrast, the maximum daily removal of dinoflagellate biomass by N. minor was 9%. These estimates imply that C. carinatus is an important primary consumers in the neritic province of the northern Benguela system, while N. minor has little grazing impact on phytoplankton populations further offshore. Data on energy requirements and total consumption rates of dominant calanoid copepods of this study are essential for the development of realistic carbon budgets and food-web models for the northern Benguela upwelling system.
    Schlagwort(e): GENUS; Geochemistry and ecology of the Namibian upwelling system
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 19
    Publikationsdatum: 2024-03-13
    Schlagwort(e): Benguela Upwelling; Copepoda, mass; DATE/TIME; Depth, bathymetric; Depth, bottom/max; Depth, top/min; DEPTH, water; Double MOCNESS 333; Electron transport system activity of oxygen per individual; Electron transport system activity of oxygen per mass; Event label; EXP; Experiment; GENUS; Geochemistry and ecology of the Namibian upwelling system; L-1a; L-3; Latitude of event; Longitude of event; Maria S. Merian; MOC-D-333; MOC-S-2000; MSM17/3; MSM17/3_222-6; MSM17/3_224-5; MSM17/3_226-9; MSM17/3_233-3; MSM17/3_236-1; MSM17/3_240-2; MSM17/3_242-8; MSM17/3_243-12; MSM17/3_250-7; MSM17/3_254-5; Number; Ontogenetic stage; Singel MOCNESS 2000; Species; T8-1; T8-1b; T8-1c; T8-3; T8-4; Temperature, technical; WLT-10; WLT-2
    Materialart: Dataset
    Format: text/tab-separated-values, 700 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 20
    Publikationsdatum: 2024-04-20
    Beschreibung: Males of the four crab species Percnon affine (H. Milne Edwards, 1853), Grapsus albolineatus (Latreille in Milbert, 1812), Orisarma intermedium (Schubart &Ng, 2020), and Geothelphusa albogilva (Shy, Ng & Yu, 1994), were collected in the southern part of Taiwan in May 2007. Individuals were starved for 12 days and midgut glands were dissected before and after the starvation period. Midgut glands were lyophilized and total lipids were extracted with dichloromethane:methanol (2:1 per volume) and an aqueous solution of 0.88% KCl. Extracted lipid mass was determined gravimetrically. Lipid classes were separated and quantified using Thin-Layer Chromatography with an integrated flame ionization detector (MK-5 TLC/FID analyzer, Iatron Laboratories). Lipids were converted to fatty acids methyl esters (FAME) by applying methanol containing 3% concentrated sulfuric acid. FAMEs were quantified by gas chromatography equipped with a DB-FFAP column, a programmable temperature vaporizer injector, and a flame ionization detector. Helium was used as carrier gas. Fatty acids were identified by retention times and by using fish oil standard (Marinol). Data are supplement to: Stumpp et al (2021) Dietary preferences of brachyuran crabs from Taiwan for marine or terrestrial food sources: evidence based on fatty acid trophic markers accepted for publication in Frontiers in Zoology
    Schlagwort(e): algae; Decapoda; fatty acids; lipids; midgut gland; triacylglycerols; trophic relationships; vascular plants
    Materialart: Dataset
    Format: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, 202.7 kBytes
    Standort Signatur Einschränkungen Verfügbarkeit
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