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  • 2015-2019  (35)
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  • 11
    facet.materialart.
    Unbekannt
    Elsevier
    In:  Deep-Sea Research Part II-Topical Studies in Oceanography, 111 . pp. 26-33.
    Publikationsdatum: 2015-12-01
    Beschreibung: During the German–Russian KuramBio (Kuril–Kamchatka Biodiversity Studies) expedition with the RV Sonne from July to September 2012, a 0.25 m2 box corer was used to sample the benthic fauna of the Kuril–Kamchatka area. 23 cores were deployed at 12 stations, and in total 36,648 individuals could be identified from a combined surface area of 5.75 m2. Total faunal densities ranged from 1024 to 16,592 ind. m−2, respectively, for the macrofauna from 436 to 3520 ind. m−2. The fauna was dominated by Nematoda (65%), even though this group and other meiofaunal taxa were only partially retained by the 300 µm screen that was used as the smallest screen for this study. The remaining part of the fauna was dominated by polychaetes (23%), followed by peracarid crustaceans (6%) and molluscs (3%). Most of the collected taxa occurred very patchily. Over 80% of the animals were extracted from the upper 2 centimeters of the sediment. Compared to other regions of the Pacific the density of the benthic fauna was unusually high. At the upper slope of the continental margin of the trench and at the southern part of the area the benthic fauna was most taxon rich. Station 3 from the continental slope of the trench was also most rich in terms of faunal density (total numbers of ind. m−2), followed by the station 11 and 12 from that the southernmost part of the abyss. Although the Kuril–Kamchatka area has been sampled on several expeditions during the last century, and some studies on the biomass of the benthic fauna have been published, this study offers the first quantitative community analysis of the benthic fauna in terms of abundance and taxon richness.
    Materialart: Article , PeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 12
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    Unbekannt
    Elsevier
    In:  Deep-Sea Research Part II-Topical Studies in Oceanography, 111 . pp. 376-388.
    Publikationsdatum: 2015-11-25
    Beschreibung: During the German–Russian expedition KuramBio (Kuril–Kamchatka Biodiversity Studies) to the northwest Pacific Kuril–Kamchatka Trench and its adjacent abyssal plain, we found several kinds and sizes of plastic debris ranging from fishing nets and packaging to microplastic in the sediment of the deep-sea floor. Microplastics were ubiquitous in the smaller fractions of the box corer samples from every station from depths between 4869 and 5766 m. They were found on the abyssal plain and in the sediments of the trench slope on both sides. The amount of microplastics differed between the stations, with lowest concentration of 60 pieces per m2 and highest concentrations of more than 2000 pieces per m2. Around 75% of the microplastics (defined here as particles 〈1 mm) we isolated from the sediment samples were fibers. Other particles were paint chips or small cracked pieces of unknown origin. The Kuril–Kamchatka Trench area is known for its very rich marine fauna (Zenkevich, 1963). Yet we can only guess how these microplastics accumulated in the deep sea of the Kuril-Kamchatka Trench area and what consequences the microplastic itself and its adsorbed chemicals will have on this very special and rich deep-sea fauna. But we herewith present an evaluation of the different kinds of plastic debris we found, as a documentation of human impact into the deep sea of this region of the Northwest Pacific.
    Materialart: Article , PeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 13
    Publikationsdatum: 2019-09-23
    Beschreibung: A report on sustainability issues and long-term implementation plan for IAOOS. National and European plans for long-term implementation (organization, funding, role of the different nations, EU, role and international partners) of the Atlantic observing system will be prepared.
    Materialart: Report , NonPeerReviewed , info:eu-repo/semantics/book
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 14
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    Unbekannt
    Springer
    In:  In: Faszination Meeresforschung : ein ökologisches Lesebuch. , ed. by Hempel, G., Bischof, K. and Hagen, W. Springer, Heidelberg, Germany, pp. 179-210. 2. Aufl. ISBN 978-3-662-49713-5
    Publikationsdatum: 2020-04-03
    Materialart: Book chapter , NonPeerReviewed
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 15
    Publikationsdatum: 2022-01-31
    Beschreibung: The diversity of life in the sea is critical to the health of ocean ecosystems that support living resources and therefore essential to the economic, nutritional, recreational, and health needs of billions of people. Yet there is evidence that the biodiversity of many marine habitats is being altered in response to a changing climate and human activity. Understanding this change, and forecasting where changes are likely to occur, requires monitoring of organism diversity, distribution, abundance, and health. It requires a minimum of measurements including productivity and ecosystem function, species composition, allelic diversity, and genetic expression. These observations need to be complemented with metrics of environmental change and socio-economic drivers. However, existing global ocean observing infrastructure and programs often do not explicitly consider observations of marine biodiversity and associated processes. Much effort has focused on physical, chemical and some biogeochemical measurements. Broad partnerships, shared approaches, and best practices are now being organized to implement an integrated observing system that serves information to resource managers and decision-makers, scientists and educators, from local to global scales. This integrated observing system of ocean life is now possible due to recent developments among satellite, airborne, and in situ sensors in conjunction with increases in information system capability and capacity, along with an improved understanding of marine processes represented in new physical, biogeochemical, and biological models.
    Materialart: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 16
    Publikationsdatum: 2023-03-28
    Beschreibung: Sampling was performed during RV Polarstern expedition PS81 (ANT XXIX/7), between 31 August and 2 October 2013, across the ice-covered Weddell Sea, between 61°S, 42°W and 58°S, 25°W. Horizontal hauls were performed with a Surface and Under Ice Trawl (SUIT). Environmental data were collected with sensors mounted in the SUIT frame. The SUIT consists of a steel frame with a 2 m x 2 m opening and two parallel 15-m long nets attached: PLK (0.3 mm mesh; 0.5 m of opening width) and SUIT (7 mm mesh, 1.5 m of opening width). Zooplankton data contains mezo- and macrozooplankton species with numbers of specimens at each event (station). Trawled distances to derive areal abundance can be found in the environmental data table.
    Materialart: Dataset
    Format: application/zip, 2 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 17
    Publikationsdatum: 2023-03-28
    Schlagwort(e): Altimeter Tritech PA500/6-E; ANT-XXIX/7; Campaign; Chlorophyll a; DATE/TIME; Device type; ELEVATION; Event label; Ice Camp 1; Ice coverage; LATITUDE; Location; LONGITUDE; Multiparameter probe CTD 75M (Sea & Sun); Polarstern; PS81; PS81/551-1; PS81/555-47; PS81/557-2; PS81/560-2; PS81/562-5; PS81/565-5; PS81/567-2; PS81/570-5; PS81/571-2; PS81/577-2; PS81/579-2; Salinity; Scotia Sea; Sea ice roughness; Sea ice thickness; Snow thickness; South Atlantic Ocean; Station label; SUIT; Surface and under ice trawl; Temperature, water; Trawling distance; Visual estimations by observer onboard during trawling; Weddell Sea
    Materialart: Dataset
    Format: text/tab-separated-values, 133 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 18
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    Unbekannt
    PANGAEA
    In:  Supplement to: Käß, Melissa; Vedenin, Andrey; Hasemann, Christiane; Brandt, Angelika; Soltwedel, Thomas (2019): Community structure of macrofauna in the deep Fram Strait: A comparison between two bathymetric gradients in ice-covered and ice-free areas. Deep Sea Research Part I: Oceanographic Research Papers, 103102, https://doi.org/10.1016/j.dsr.2019.103102
    Publikationsdatum: 2023-02-23
    Beschreibung: Macrofauna data was collected using a box corer (0.25m² sampling area). The sampled sediment from each box corer was divided into eight subsamples (pseudoreplicates). The uppermost 12 cm of these subsamples were analyzed. Each subsample was processed through a 500-µm mesh size sieve. After sieving, residuals were fixed with 100% ethanol and stored at room temperature. Macrofaunal organisms were identified to the lowest possible taxonomical level. Whenever identification to species level was not possible, the sample was identified to the next identifiable taxonomical category and assigned a putative species name (e.g., 'Hesionidae genus sp. 1', 'Hesionidae genus sp. 2'). Posterior fragments, exuviae, xenobionts, meiofauna taxa (Nematoda, Ostracoda, Harpacticoida) and empty tubes were excluded from the analysis. Biomass (blotted wet weight, ww) was determined by weighing each specimen. Shelled organisms, such as mollusks, were weight in their shells.
    Schlagwort(e): ARK-XXX/1.2; Biomass, wet mass; Character; EG_IV; ELEVATION; Event label; Family; Genus; Giant box corer; GKG; HG_IV; LATITUDE; LONGITUDE; North Greenland Sea; Phylum; Polarstern; PS99/042-14; PS99/048-13; PS99/049-3; PS99/050-3; PS99/051-8; PS99/062-2; PS99/066-4; PS99/069-6; PS99.2; Replicate; Species; Station label
    Materialart: Dataset
    Format: text/tab-separated-values, 14989 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 19
    Publikationsdatum: 2023-08-23
    Schlagwort(e): all-cis-4,7,10,13,16,19-Docosahexaenoic acid of total fatty acids; all-cis-5,8,11,14,17-Eicosapentaenoic acid of total fatty acids; all-cis-5,8,11,14-Eicosatetraenoic acid of total fatty acids; all-cis-9,12-Octadecadienoic acid of total fatty acids; ANT-XXIV/2; cis-11-Octadecenoic acid of total fatty acids (IUPAC: Octadec-11-enoic acid); cis-9-Hexadecenoic acid of total fatty acids (IUPAC: (9Z)-hexadec-9-enoic acid); cis-9-Octadecenoic acid of total fatty acids (IUPAC: Octadec-9-enoic acid); Date/Time of event; EBS; ELEVATION; Epibenthic sledge; Event label; Fatty acids, standard deviation; Hexadecanoic acid of total fatty acids; Latitude of event; Longitude of event; Octadecanoic acid of total fatty acids; Polarstern; PS71/017-11; PS71/033-16; PS71/039-17; PS71/085-8; PS71 ANDEEP-SYSTCO SCACE; Sample type; South Atlantic Ocean; Tetradecanoic acid of total fatty acids; Weddell Sea
    Materialart: Dataset
    Format: text/tab-separated-values, 197 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 20
    Publikationsdatum: 2023-07-10
    Schlagwort(e): Aethotaxis mitopteryx; ANT-XXIX/7; Beroe spp.; Calanus propinquus; Callianira antarctica; Campaign; Chaetognatha; Clione limacina; Clio pyramidata; Ctenocalanus spp.; Cyllopus lucasii; DATE/TIME; Decapoda; Device type; Diphyes antarctica; Euchirella rostromagna; Eukrohnia hamata; Euphausia frigida; Euphausia superba; Eusirus laticarpus; Eusirus microps; Event label; Gammaridea; Gastropoda; Harpacticoida; Heterorhabdus austrinus; Hyperoche medusarum; Ice Camp 1; Idomene spp.; Ihlea racovitzai; LATITUDE; Limacina helicina; Location; LONGITUDE; Marrus sp.; Metridia sp.; Oikopleura spp.; Oithona similis; Ostracoda; Paraeuchaeta sp.; Polarstern; Polychaeta; Primno macropa; PS81; PS81/551-1; PS81/555-47; PS81/557-2; PS81/560-2; PS81/562-5; PS81/565-5; PS81/567-2; PS81/570-5; PS81/571-2; PS81/577-2; PS81/579-2; Pseudocyclopina sp.; Sagitta gazellae; Sagitta maxima; Sagitta spp.; Salpa; Salpa thompsoni; Scotia Sea; Siphonophora; South Atlantic Ocean; Spongiobranchaea australis; Station label; Stephos longipes; SUIT; Surface and under ice trawl; Tharybis sp.; Themisto gaudichaudii; Thysanoessa macrura; Thysanoessa sp.; Thysanoessa vicina; Tomopteris carpenteri; Vibilia antarctica; Weddell Sea
    Materialart: Dataset
    Format: text/tab-separated-values, 1160 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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