Now showing items 176-195 of 354

  • Engelschiøn, Victoria Sjøholt; Delsett, Lene Liebe; Roberts, Aubrey Jane; Hurum, Jørn Harald (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Humeri of Pessopteryx nisseri and vertebrae referred to Cymbospondylus sp. are described from the Lower Saurian niveau at Marmierfjellet, Spitsbergen. This is the most well-preserved Cymbospondylus material described from ...
  • Reitan, Trond; Liow, Lee Hsiang (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    1. Distinguishing correlative and causal connections among time series is an important challenge in evolutionary biology, ecology, macroevolution and palaeobiology. 2. Here, we present layeranalyzer, an r package that ...
  • Haugan, Reidar; Timdal, Einar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    A molecular phylogenetic analysis based on the DNA barcode marker (nrITS) of 12 specimens of Lecidea leucothallina revealed three monophyletic clades, two apotheciate and one sorediate. The sorediate clade is described as ...
  • Haugan, Reidar; Tønsberg, Tor (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
    The new species Lecidella varangricaHaugan & Tønsberg is described from the northern shores of the Varanger Peninsula, Finnmark, Norway. It probably belongs to the saxicolous L. asemagroup by having ...
  • Hansen, Lars Ove; Fjellstad, Bjørn, M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 1998)
    The remarkable leafhopper Ledra aurita (Linnaeus, 1758) has been rediscovered in Norway. Three specimens were captured at light at Ø, Hvaler: Asmaløy (EIS 12) in July-Aug. 1995. An unpublished record from AK, Frogn: Drøbak ...
  • Haverkamp, Thomas Hendricus Augustus; Hammer, Øyvind; Jakobsen, Kjetill Sigurd (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Pockmarks are geological features that are found on the bottom of lakes and oceans all over the globe. Some are active, seeping oil or methane, while others are inactive. Active pockmarks are well studied since they harbor ...
  • Alsos, Inger Greve; Ehrich, Dorothee; Eidesen, Pernille Bronken; Solstad, Heidi Merethe; Westergaard, Kristine Bakke; Schonswetter, Peter; Tribsch, Andreas; Birkeland, Siri; Elven, Reidar; Brochmann, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Long-distance dispersal (LDD) processes influence the founder effect on islands.We use genetic data for 25 Atlantic species and similarities among regional floras to analyse colonization, and test whether the genetic founder ...
  • Aune, Sigrun; Bryn, Anders; Hovstad, Knut Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The long history of human land use have had a strong influence on ecosystems and landscapes in the boreal forest region of Northern Europe and created semi-natural habitats of high conservation value. In this study, we ...
  • Rekdal, Silje Larsen (Doctoral thesis / Doktoravhandling, 2020)
    All organisms need to fight pathogens to avoid infectious diseases. In vertebrates, two classes of polymorphic genes from the major histocompatibility complex (MHC) are crucial for triggering immune responses against ...
  • Zalasiewicz, Jan; Waters, Colin N.; Wolfe, Alexander P.; Barnosky, Anthony D.; Cearreta, Alejandro; Edgeworth, Matt; Ellis, Erle C.; Fairchild, Ian J.; Gradstein, Felix M; Grinevald, Jacques; Haff, Peter K.; Head, Martin J; do Sul, Juliana A. Ivar; Jeandel, Catherine; Leinfelder, Reinhold; McNeill, John R.; Oreskes, Naomi; Poirier, Clement; Revkin, Andrew; Richter, Daniel DeB.; Steffen, Will; Summerhayes, Colin; Syvitski, James P.; Vidas, Davor; Wagreich, Michael; Wing, Scott L.; Williams, Mark (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    A range of published arguments against formalizing the Anthropocene as a geological time unit have variously suggested that it is a misleading term of non-stratigraphic origin and usage, is based on insignificant temporal ...
  • Yau, Sheree; Lopes dos Santos, Adriana; Eikrem, Wenche; Gérikas Ribeiro, Catherine; Gourvil, Priscillia; Balzano, Sergio; Escande, Marie-Line; Moreau, Hervé; Vaulot, Daniel (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Members of the class Mamiellophyceae comprise species that can dominate picophytoplankton diversity in polar waters. Yet, polar species are often morphologically indistinguishable from temperate species, although clearly ...
  • Oug, Eivind; Christiansen, Marit Ellen; Dobbe, Kristine; Rønning, Ann-Helen; Bakken, Torkild; Kongsrud, Jon Anders (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Data from large sampling programmes for the mapping of marine invertebrates in the Oslofjord, Norway, and the Skagerrak, spanning more than six decades, are compiled and digitized to provide easy access in modern data ...
  • Cerca De Oliveira, Josè; Purschke, Günter; Struck, Torsten H (Journal article / Tidsskriftartikkel / SubmittedVersion, 2018)
    Many interstitial species were first described as widely distributed, often cosmopolitan or amphi-oceanic, contrasting with descriptions of a sedentary life style and the general absence of pelagic dispersal stages. These ...
  • Cramer, Emily Rebecca A; Rowe, Melissah; Eroukhmanoff, Fabrice; Lifjeld, Jan Terje; Sætre, Glenn-Peter; Johnsen, Arild (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Sperm swimming performance, including swimming speed and the proportion of motile cells, may strongly affect fertilization success. However, little is known about how methodological factors affect in vitro measurement of ...
  • Sher, Hassan; Barkworth, Mary E.; de Boer, Hugo (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
    Most people in the Swat valley of northwest Pakistan practice subsistence farming, supplementing their income by collecting and selling wild harvested plants for use in herbal medicine. Previous work showed that the ...
  • Wieczorek, John; Bánki, Olaf; Blum, Stan; Deck, John; Döring, Markus; Dröge, Gabriele; Endresen, Dag Terje Filip; Goldstein, Philip; Leary, Patrick; Krishtalka, Leonard; Ó Tuama, Éamonn; Robbins, Robert J.; Robertson, Tim; Yilmaz, Pelin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
    The workshop-hackathon was convened by the Global Biodiversity Information Facility (GBIF) at its secretariat in Copenhagen over 22-24 May 2013 with additional support from several projects (RCN4GSC, EAGER, VertNet, BiSciCol, ...
  • Delsett, Lene Liebe; Druckenmiller, Patrick Scott; Hammer, Øyvind; Hryniewicz, Krzysztof; Knutsen, Espen Madsen; Koevoets, Maayke Jacqueline; Nakrem, Hans Arne; Roberts, Aubrey Jane; Hurum, Jørn Harald (Journal article / Tidsskriftartikkel / SubmittedVersion, 2019)
    In the Mesozoic seas, the apex predators were reptiles. From the Arctic archipelago of Svalbard, the Spitsbergen Mesozoic Research Group has excavated numerous well preserved marine reptile skeletons in order to understand ...
  • Vollering, Julien; Halvorsen, Rune; Mazzoni, Sabrina (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The widely used “Maxent” software for modeling species distributions from presence‐only data (Phillips et al., Ecological Modelling, 190, 2006, 231) tends to produce models with high‐predictive performance but low‐ecological ...
  • Mazzoni, Sabrina; Halvorsen, Rune; Bakkestuen, Vegar (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    The maximum entropy (MaxEnt) method has gained widespread use for distribution modelling, mostly because of the practical simplicity offered by the maxent.jar software. Whilst MaxEnt was originally described as a machine ...
  • Eberle, Jonas; Dimitrov, Dimitar; Valdez-Mondragón, Alejandro; Huber, Bernhard A (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Background Microhabitat changes are thought to be among the main drivers of diversification. However, this conclusion is mostly based on studies on vertebrates. Here, we investigate the influence of ...