Now showing items 9585-9604 of 9682

    • Wide-spread dispersal in a deep-sea brooding polychaete: the role of natural history collections in assessing the distribution in quill worms (Onuphidae, Annelida) 

      Budaeva, Nataliya; Agne, Stefanie; de Azevedo Ribeiro, Pedro Miguel; Straube, Nicolas; Preick, Michaela; Hofreiter, Michael (Journal article; Peer reviewed, 2024)
      Background Modern integrative taxonomy-based annelid species descriptions are detailed combining morphological data and, since the last decades, also molecular information. Historic species descriptions are often ...
    • Widespread conservation and lineage-specific diversification of genome-wide DNA methylation patterns across arthropods 

      Lewis, Samuel H.; Ross, Laura; Bain, Stevie A.; Pahita, Eleni; Smith, Stephen A.; Cordaux, Richard; Miska, Eric A.; Lenhard, Boris; Jiggins, Francis M.; Sarkies, Peter (Journal article; Peer reviewed, 2020)
      Cytosine methylation is an ancient epigenetic modification yet its function and extent within genomes is highly variable across eukaryotes. In mammals, methylation controls transposable elements and regulates the promoters ...
    • Widespread glacial erosion on the Scandinavian passive margin 

      Pedersen, Vivi; Knutsen, Åsne Rosseland; Pallisgaard-Olesen, Gustav; Andersen, Jane Lund; Moucha, Robert; Huismans, Ritske Sipke (Journal article; Peer reviewed, 2021)
      The topography in Scandinavia features enigmatic high-elevation low-relief plateau regions dissected by deep valleys and fjords. These plateau regions have long been interpreted as relict landforms of a preglacial origin, ...
    • Width Notions for Ordering-Related Problems 

      Arrighi, Emmanuel; Fernau, Henning; De Oliveira Oliveira, Mateus; Wolf, Petra (Journal article; Peer reviewed, 2020)
      We are studying a weighted version of a linear extension problem, given some finite partial order ρ, called Completion of an Ordering. While this problem is NP-complete, we show that it lies in FPT when parameterized by ...
    • Will Climate Change Impact Polar NOx Produced by Energetic Particle Precipitation? 

      Maliniemi, Ville Aleksi; Marsh, Daniel R.; Tyssøy, Hilde Nesse; Smith-Johnsen, Christine (Journal article; Peer reviewed, 2020)
      Energetic electron precipitation (EEP) is an important source of polar nitrogen oxides (NOx) in the upper atmosphere. During winter, mesospheric NOx has a long chemical lifetime and is transported to the stratosphere by ...
    • Wilson line correlators beyond the large-Nc 

      Isaksen, Johannes Hamre; Tywoniuk, Konrad (Journal article; Peer reviewed, 2021)
      We study hard 1 → 2 final-state parton splittings in the medium, and put special emphasis on calculating the Wilson line correlators that appear in these calculations. As partons go through the medium their color continuously ...
    • Wind Energy on the High Seas: Regulatory Challenges for a Science Fiction Future 

      Herrera Anchustegui, Ignacio; Radovich, Violeta (Journal article; Peer reviewed, 2022)
      This paper aims to study the current regulation and governance of wind energy turbines on the high seas and detect regulatory challenges. We focus on the existing regulatory framework to develop marine wind farms in areas ...
    • Wind-driven upwelling of iron sustains dense blooms and food webs in the eastern Weddell Gyre 

      Moreau, Sebastian; Hattermann, Tore; de Steur, Laura; Kauko, Hanna Maria; Ahonen, Heidi; Ardelan, Murat van; Assmy, Philipp; Chierici, Melissa; Descamps, Sebastien; Dinter, Tilman; Falkenhaug, Tone; Fransson, Agneta; Grønningsæter, Eirik; Hallfredsson, Elvar Halldor; Huhn, Oliver; Lebrun, Anais; Lowther, Andrew; Lübcker, Nico; Monteiro, Pedro; Peeken, Ilka; Roychoudhury, Alakendra; Różańska, Magdalena; Ryan-Keogh, Thomas; Sanchez Puerto, Nicolas; Singh, Asmita; Simonsen, Jan Henrik; Steiger, Nadine; Thomalla, Sandy J.; van Tonder, Andre; Wiktor, Josef M; Steen, Harald (Journal article; Peer reviewed, 2023)
      The Southern Ocean is a major sink of anthropogenic CO2 and an important foraging area for top trophic level consumers. However, iron limitation sets an upper limit to primary productivity. Here we report on a considerably ...
    • Wind-Driven Variability in the Spitsbergen Polar Current and the Svalbard Branch Across the Yermak Plateau 

      Nilsen, Frank; Ersdal, Eli Anne; Skogseth, Ragnheid (Journal article; Peer reviewed, 2021)
      The Yermak Plateau (YP) acts as a guidance or barrier for the West Spitsbergen Current (WSC), which either crosses the plateau or flows around it to enter the Arctic Ocean. Closer to the West Spitsbergen coast, the Spitsbergen ...
    • A Window into the Early–Middle Stone Age Transition in Northeastern Africa—A Marine Isotope Stage 7a/6 Late Acheulean Horizon from the EDAR 135 Site, Eastern Sahara (Sudan) 

      Michalec, Grzegorz; Cendrowska, Marzena; Andrieux, Eric; Armitage, Simon James; Ehlert, Maciej; Kim, Ju Yong; Sohn, Young Kwan; Krupa-Kurzynowska, Joanna; Moska, Piotr; Szmit, Marcin; Masojć, Mirosław (Journal article; Peer reviewed, 2021)
      This paper presents the results of the analysis of a late Acheulean horizon from the EDAR 135 site, which was discovered in the Eastern Desert, Sudan, in an area heavily transformed by modern mining activity. A lithic ...
    • Winter Arctic Amplification at the synoptic timescale, 1979–2018, its regional variation and response to tropical and extratropical variability 

      Hall, Richard; Hanna, Edward; Chen, Linling (Journal article; Peer reviewed, 2021)
      We investigate winter Arctic Amplification (AA) on synoptic timescales and at regional scales using a daily version of the Arctic Amplification Index (AAI) and examine causes on a synoptic scale. The persistence, frequency ...
    • Winter Vertical Diffusion Rates in the Arctic Ocean, Estimated From 7Be Measurements and Dissipation Rate Profiles 

      Schulz, K.; Kadko, D.; Mohrholz, V.; Stephens, M.; Fer, Ilker (Journal article; Peer reviewed, 2023)
      Ocean turbulent mixing is a key process affecting the uptake and redistribution of heat, carbon, nutrients, oxygen and other dissolved gasses. Vertical turbulent diffusivity sets the rates of water mass transformations and ...
    • A winter-to-summer transition of bacterial and archaeal communities in Arctic sea ice 

      Thiele, Stefan; Storesund, Julia Endresen; Férnandez-Méndez, Mar; Assmy, Philipp; Øvreås, Lise (Journal article; Peer reviewed, 2022-08-15)
      The Arctic is warming 2–3 times faster than the global average, leading to a decrease in Arctic sea ice extent, thickness, and associated changes in sea ice structure. These changes impact sea ice habitat properties and ...
    • Winters are changing: snow effects on Arctic and alpine tundra ecosystems 

      Rixen, Christian; Høye, Toke Thomas; Macek, Petr; Aerts, Rien; Alatalo, Juha; Andeson, Jill; Arnold, Pieter; Barrio, Isabel C.; Bjerke, Jarle W.; Björkman, Mats P.; Blok, Daan; Blume-werry, Gesche; Boike, Julia; Bokhorst, Stef; Carbognani, Michele; Christiansen, Casper Tai; Convey, Peter; Cooper, Elisabeth J.; Cornelissen, J. Hans C.; Coulson, Stephen; Dorrepaal, Ellen; Elberling, Bo; Elmendorf, Sarah; Elphinstone, Cassandra; Forte, T'ai Gladys Whittingham; Frei, Esther R.; Geange, Sonya Rita; Gehrmann, Friederike; Gibson, Casey; Grogan, Paul; Rechsteiner, Aud Helen Halbritter; Harte, John; Henry, Greg H.R.; Inouye, David W.; Irwin, Rebecca; Jespersen, Gus; Jónsdóttir, Ingibjörg Svala; Jung, Ji Young; Klinges, David H.; Kudo, Gaku; Lämsä, Juho; Lee, Hanna; Lembrechts, Jonas; Lett, Signe; Lynn, Joshua Scott; Mann, Hjalte Mads; Mastepanov, Mikhail; Morse, Jennifer; Myers-Smith, Isla; Olofsson, Johan; Semenchuk, Philipp; Vandvik, Vigdis (Journal article; Peer reviewed, 2022)
      Snow is an important driver of ecosystem processes in cold biomes. Snow accumulation determines ground temperature, light conditions and moisture availability during winter. It also affects the growing season’s start and ...
    • Witchcraft and Slavery in Cartagena de Indias 

      Knutsen, Gunnar Winsnes (Journal article; Peer reviewed, 2020)
      The witchcraft trials in the Spanish Inquisition's tribunal in Cartagena de Indias had direct links to the trials in Northern Spain. These trials started just after the trials in the Basque country in 1610-14, and show the ...
    • With the cards stacked against you. Challenges to a negotiated transition to democracy in Venezuela 

      Marsteintredet, Leiv (Journal article; Peer reviewed, 2020)
      This article uses the political science literature on transitions to democracy to discuss the domestic challenges to a negotiated transition in Venezuela. Whereas a transition to democracy may occur through many different ...
    • Within- and between-subject biological variation data for serum zinc, copper and selenium obtained from 68 apparently healthy Turkish subjects 

      Coşkun, Abdurrahman; Carobene, Anna; Aarsand, Aasne K.; Aksungar, Fehime B.; Serteser, Mustafa; Sandberg, Sverre; Díaz-Garzón, Jorge; Fernandez-Calle, Pilar; Karpuzoglu, Fatma H.; Coskun, Cihan; Klzllkaya, Emine; Fidan, Damla; Jonker, Niels; Ugur, Esra; Unsal, Ibrahim (Journal article; Peer reviewed, 2022)
      Objectives: Trace elements (TrEL) are nutritionally essential components in maintaining health and preventing diseases. There is a lack of reliable biological variation (BV) data for TrELs, required for the diagnosis and ...
    • Within- and between-subject biological variation data for tumor markers based on the European Biological Variation Study 

      Coşkun, Abdurrahman; Aarsand, Aasne Karine; Sandberg, Sverre; Guerra, Elena; Locatelli, Massimo; Díaz-Garzón, Jorge; Fernandez-Calle, Pilar; Ceriotti, Ferruccio; Jonker, Niels; Bartlett, William A.; Carobene, Anna (Journal article; Peer reviewed, 2022)
      Objectives: Reliable biological variation (BV) data are required for the clinical use of tumor markers in the diagnosis and monitoring of treatment effects in cancer. The European Biological Variation Study (EuBIVAS) was ...
    • Within-patient and global evolutionary dynamics of Klebsiella pneumoniae ST17 

      Hetland, Marit; Hawkey, Jane; Bernhoff, Eva; Bakksjø, Ragna-Johanne; Kaspersen, Håkon; Rettedal, Siren; Sundsfjord, Arnfinn; Holt, Kathryn E.; Löhr, Iren Høyland (Journal article; Peer reviewed, 2023)
      Klebsiella pneumoniae sequence type (ST) 17 is a global problem clone that causes multidrug-resistant (MDR) hospital infections worldwide. In 2008–2009, an outbreak of MDR ST17 occurred at a neonatal intensive care unit ...