Search Results - "Pettersen, Ragnhild"

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  1. 1

    METASEED: a novel approach to full-length 16S rRNA gene reconstruction from short read data by Philip, Melcy, Rudi, Knut, Ormaasen, Ida, Angell, Inga Leena, Pettersen, Ragnhild, Keeley, Nigel B, Snipen, Lars-Gustav

    Published in BMC bioinformatics (12-07-2024)
    “…With the emergence of Oxford Nanopore technology, now the on-site sequencing of 16S rRNA from environments is available. Due to the error level and structure,…”
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    Journal Article
  2. 2

    Early detection of marine non-indigenous species on Svalbard by DNA metabarcoding of sediment by van den Heuvel-Greve, Martine J., van den Brink, Anneke M., Glorius, Sander T., de Groot, G. Arjen, Laros, Ivo, Renaud, Paul E., Pettersen, Ragnhild, Węsławski, Jan Marcin, Kuklinski, Piotr, Murk, Albertinka J.

    Published in Polar biology (01-04-2021)
    “…Non-indigenous species (NIS) in the Arctic have an increased likelihood of arrival from ship traffic in the region, while the survival potential of the species…”
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    Journal Article
  3. 3

    Underwater hyperspectral classification of deep sea corals exposed to 2-methylnaphthalene by Letnes, Paul Anton, Hansen, Ingrid Myrnes, Aas, Lars Martin Sandvik, Eide, Ingvar, Pettersen, Ragnhild, Tassara, Luca, Receveur, Justine, le Floch, Stéphane, Guyomarch, Julien, Camus, Lionel, Bytingsvik, Jenny

    Published in PloS one (27-02-2019)
    “…Coral reefs around the world are under threat due to anthropogenic impacts on the environment. It is therefore important to develop methods to monitor the…”
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    Journal Article
  4. 4

    Detection and classification of Lepeophterius salmonis (Krøyer, 1837) using underwater hyperspectral imaging by Pettersen, Ragnhild, Lein Braa, Håvard, Gawel, Bartlomiej Adam, Letnes, Paul Anton, Sæther, Kristin, Aas, Lars Martin Sandvik

    Published in Aquacultural engineering (01-11-2019)
    “…•UHI technology can be used to identify and classify mobile life stages of L. salmonis.•Spectral signature of attached life- and mobile L. salmonis stages are…”
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    Journal Article
  5. 5

    Optical properties of CDOM across the Polar Front in the Barents Sea: Origin, distribution and significance by Hancke, Kasper, Hovland, Erlend K., Volent, Zsolt, Pettersen, Ragnhild, Johnsen, Geir, Moline, Mark, Sakshaug, Egil

    Published in Journal of marine systems (01-02-2014)
    “…Colored Dissolved Organic Matter (CDOM) is an important optical constituent in seawater, which significantly attenuates the violet to blue portion of visible…”
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    Journal Article
  6. 6

    Pigmentation and spectral absorbance signatures in deep-water corals from the Trondheimsfjord, Norway by Elde, Anette C, Pettersen, Ragnhild, Bruheim, Per, Järnegren, Johanna, Johnsen, Geir

    Published in Marine drugs (01-06-2012)
    “…The pigmentation and corresponding in vivo and in vitro absorption characteristics in three different deep-water coral species: white and orange Lophelia…”
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    Journal Article
  7. 7

    Development of hyperspectral imaging as a bio-optical taxonomic tool for pigmented marine organisms by Pettersen, Ragnhild, Johnsen, Geir, Bruheim, Per, Andreassen, Trygve

    Published in Organisms diversity & evolution (01-06-2014)
    “…Reflection spectra obtained from hyperspectral imaging can be used as a bio-optical taxonomic identification tool if the pigment composition and the…”
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    Journal Article
  8. 8

    Swarm and UNOISE outperform DADA2 and Deblur for denoising high-diversity marine seafloor samples by Nilsen, Tonje, Snipen, Lars-Gustav, Angell, Inga Leena, Keeley, Nigel Brian, Majaneva, Sanna, Pettersen, Ragnhild, Rudi, Knut

    Published in ISME Communications (09-05-2024)
    “…The performance of sequence variant resolution analytic tools for metabarcoding has not yet been adequately benchmarked for high-diversity environmental…”
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    Journal Article
  9. 9

    Phytoplankton chemotaxonomy in waters around the Svalbard archipelago reveals high amounts of Chl b and presence of gyroxanthin-diester by Pettersen, Ragnhild, Johnsen, Geir, Berge, Jørgen, Hovland, Erlend Kjeldsberg

    Published in Polar biology (01-05-2011)
    “…Phytoplankton pigment signatures from a cruise in 2005 are herein presented and used as a chemotaxonomic tool for phytoplankton diversity in the Svalbard…”
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    Journal Article
  10. 10

    Underwater hyperspectral imaging for environmental mapping and monitoring of seabed habitats by Tegdan, Jorgen, Ekehaug, Stefan, Hansen, Ingrid Myrnes, Sandvik Aas, Lars Martin, Steen, Kay Johnny, Pettersen, Ragnhild, Beuchel, Frank, Camus, Lionel

    Published in OCEANS 2015 - Genova (01-05-2015)
    “…Underwater hyperspectral imaging is a novel method for mapping and monitoring the seafloor. It uses the reflected light from objects under water to…”
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    Conference Proceeding