Search Results - "Metfies, Katja"

Sea-ice derived meltwater stratification slows the biological carbon pump: results from continuous observations by von Appen, Wilken-Jon, Waite, Anya M., Bergmann, Melanie, Bienhold, Christina, Boebel, Olaf, Bracher, Astrid, Cisewski, Boris, Hagemann, Jonas, Hoppema, Mario, Iversen, Morten H., Konrad, Christian, Krumpen, Thomas, Lochthofen, Normen, Metfies, Katja, Niehoff, Barbara, Nöthig, Eva-Maria, Purser, Autun, Salter, Ian, Schaber, Matthias, Scholz, Daniel, Soltwedel, Thomas, Torres-Valdes, Sinhue, Wekerle, Claudia, Wenzhöfer, Frank, Wietz, Matthias, Boetius, Antje

“…The ocean moderates the world’s climate through absorption of heat and carbon, but how much carbon the ocean will continue to absorb remains unknown. The North…”
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Biogeography and Photosynthetic Biomass of Arctic Marine Pico-Eukaroytes during Summer of the Record Sea Ice Minimum 2012 by Metfies, Katja, von Appen, Wilken-Jon, Kilias, Estelle, Nicolaus, Anja, Nöthig, Eva-Maria

“…Information on recent photosynthetic biomass distribution and biogeography of Arctic marine pico-eukaryotes (0.2-3 μm) is needed to better understand…”
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Host-parasitoid associations in marine planktonic time series: Can metabarcoding help reveal them? by Käse, Laura, Metfies, Katja, Neuhaus, Stefan, Boersma, Maarten, Wiltshire, Karen Helen, Kraberg, Alexandra Claudia

“…In this study, we created a dataset of a continuous three-year 18S metabarcoding survey to identify eukaryotic parasitoids, and potential connections to hosts…”
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Uncovering the intricacies of microbial community dynamics at Helgoland Roads at the end of a spring bloom using automated sampling and 18S meta-barcoding by Metfies, Katja, Hessel, Johanna, Klenk, Robin, Petersen, Wilhelm, Wiltshire, Karen Helen, Kraberg, Alexandra

“…In May 2016, the remote-controlled Automated Filtration System for Marine Microbes (AUTOFIM) was implemented in parallel to the Long Term Ecological Research…”
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Annual cycle of downward particle fluxes on each side of the Gakkel Ridge in the central Arctic Ocean by Nöthig, Eva-Maria, Lalande, Catherine, Fahl, Kirsten, Metfies, Katja, Salter, Ian, Bauerfeind, Eduard

“…Two mooring arrays carrying sediment traps were deployed from September 2011 to August 2012 at ∼83°N on each side of the Gakkel Ridge in the Nansen and…”
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Impact of preservation method and storage period on ribosomal metabarcoding of marine microbes: Implications for remote automated samplings by Wietz, Matthias, Metfies, Katja, Bienhold, Christina, Wolf, Christian, Janssen, Felix, Salter, Ian, Boetius, Antje

“…Automated sampling technologies can enhance the temporal and spatial resolution of marine microbial observations, particularly in remote and inaccessible…”
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Unprecedented insights into extents of biological responses to physical forcing in an Arctic sub-mesoscale filament by combining high-resolution measurement approaches by Weiß, Josefine Friederike, von Appen, Wilken-Jon, Niehoff, Barbara, Hildebrand, Nicole, Graeve, Martin, Neuhaus, Stefan, Bracher, Astrid, Nöthig, Eva-Maria, Metfies, Katja

“…In Fram Strait, we combined underway-sampling using the remote-controlled Automated Filtration System for Marine Microbes (AUTOFIM) with CTD-sampling for eDNA…”
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Selective feeding in Southern Ocean key grazers—diet composition of krill and salps by Pauli, Nora-Charlotte, Metfies, Katja, Pakhomov, Evgeny A., Neuhaus, Stefan, Graeve, Martin, Wenta, Philipp, Flintrop, Clara M., Badewien, Thomas H., Iversen, Morten H., Meyer, Bettina

“…Over the past decades, two key grazers in the Southern Ocean (SO), krill and salps, have experienced drastic changes in their distribution and abundance,…”
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The importance of sea ice for exchange of habitat-specific protist communities in the Central Arctic Ocean by Hardge, Kristin, Peeken, Ilka, Neuhaus, Stefan, Lange, Benjamin A., Stock, Alexandra, Stoeck, Thorsten, Weinisch, Lea, Metfies, Katja

“…Sea ice is one of the main features influencing the Arctic marine protist community composition and diversity in sea ice and sea water. We analyzed protist…”
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Natural variability or anthropogenically-induced variation? Insights from 15 years of multidisciplinary observations at the arctic marine LTER site HAUSGARTEN by Soltwedel, Thomas, Bauerfeind, Eduard, Bergmann, Melanie, Bracher, Astrid, Budaeva, Nataliya, Busch, Kathrin, Cherkasheva, Alexandra, Fahl, Kirsten, Grzelak, Katarzyna, Hasemann, Christiane, Jacob, Marianne, Kraft, Angelina, Lalande, Catherine, Metfies, Katja, Nöthig, Eva-Maria, Meyer, Kirstin, Quéric, Nadia-Valérie, Schewe, Ingo, Włodarska-Kowalczuk, Maria, Klages, Michael

“…Time-series studies of arctic marine ecosystems are rare. This is not surprising since polar regions are largely only accessible by means of expensive modern…”
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A molecular survey of protist diversity through the central Arctic Ocean by Kilias, Estelle, Kattner, Gerhard, Wolf, Christian, Frickenhaus, Stephan, Metfies, Katja

“…The protist assemblage in the central Arctic Ocean is scarcely surveyed despite them being the major primary producers. Elucidating their response to changing…”
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Inter-annual variability of transparent exopolymer particles in the Arctic Ocean reveals high sensitivity to ecosystem changes by Engel, Anja, Piontek, Judith, Metfies, Katja, Endres, Sonja, Sprong, Pim, Peeken, Ilka, Gäbler-Schwarz, Steffi, Nöthig, Eva-Maria

“…Transparent exopolymer particles (TEP) are a class of marine gel particles and important links between surface ocean biology and atmospheric processes. Derived…”
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Chytrid fungi distribution and co-occurrence with diatoms correlate with sea ice melt in the Arctic Ocean by Kilias, Estelle S., Junges, Leandro, Šupraha, Luka, Leonard, Guy, Metfies, Katja, Richards, Thomas A.

“…Global warming is rapidly altering physicochemical attributes of Arctic waters. These changes are predicted to alter microbial networks, potentially perturbing…”
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Protist distribution in the Western Fram Strait in summer 2010 based on 454-pyrosequencing of 18S rDNA by Kilias, Estelle, Wolf, Christian, Nöthig, Eva-Maria, Peeken, Ilka, Metfies, Katja

“…In this study, we present the first comprehensive analyses of the diversity and distribution of marine protist (micro‐, nano‐, and picoeukaryotes) in the…”
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Summertime plankton ecology in Fram Strait-a compilation of long- and short-term observations by Nöthig, Eva-Maria, Bracher, Astrid, Engel, Anja, Metfies, Katja, Niehoff, Barbara, Peeken, Ilka, Bauerfeind, Eduard, Cherkasheva, Alexandra, Gäbler-Schwarz, Steffi, Hardge, Kristin, Kilias, Estelle, Kraft, Angelina, Mebrahtom Kidane, Yohannes, Lalande, Catherine, Piontek, Judith, Thomisch, Karolin, Wurst, Mascha

“…Between Greenland and Spitsbergen, Fram Strait is a region where cold ice-covered Polar Water exits the Arctic Ocean with the East Greenland Current (EGC) and…”
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Metabarcoding and microscopy characterization of phytoplankton from frontal areas of the Argentine Sea by Almandoz, Gastón Osvaldo, Fabro, Elena, Sprong, Pim, Mascioni, Martina, Antoni, Julieta, Ferrario, Martha, Metfies, Katja, Barrera, Facundo Matias

“…The Argentine Sea is worldwide recognized as a highly productive area, characterized by extensive phytoplankton blooms during spring and summer. Despite the…”
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Picoeukaryote Plankton Composition off West Spitsbergen at the Entrance to the Arctic Ocean by Kilias, Estelle S, Nöthig, Eva‐Maria, Wolf, Christian, Metfies, Katja

“…Investigation of marine eukaryotic picoplankton composition is limited by missing morphological features for appropriate identification. Consequently,…”
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Arctic nekton uncovered by eDNA metabarcoding: Diversity, potential range expansions, and pelagic‐benthic coupling by Merten, Véronique, Puebla, Oscar, Bayer, Till, Reusch, Thorsten B. H., Fuss, Janina, Stefanschitz, Julia, Metfies, Katja, Stauffer, Julian B., Hoving, Henk‐Jan

“…The Arctic Ocean is home to a unique fauna that is disproportionately affected by global warming but that remains under‐studied. Due to their high mobility and…”
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Microbial Communities in the East and West Fram Strait During Sea Ice Melting Season by Fadeev, Eduard, Salter, Ian, Schourup-Kristensen, Vibe, Nöthig, Eva-Maria, Metfies, Katja, Engel, Anja, Piontek, Judith, Boetius, Antje, Bienhold, Christina

“…Climate models project that the Arctic Ocean may experience ice-free summers already in the second half of this century. This may have severe repercussions on…”
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Beyond blooms: the winter ecosystem reset determines microeukaryotic community dynamics in the Fram Strait by Oldenburg, Ellen, Kronberg, Raphael M., Metfies, Katja, Wietz, Matthias, von Appen, Wilken-Jon, Bienhold, Christina, Popa, Ovidiu, Ebenhöh, Oliver

“…The Arctic Ocean is undergoing a major transition as a result of global warming, with uncertain consequences for its ecosystems. Our study introduces an…”
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