• Comparing DADA2 and OTU clustering approaches in studying the bacterial communities of atopic dermatitis 

      Barnes, Christopher J; Rasmussen, Linett; Asplund, Maria E; Knudsen, Steen Wilhelm; Clausen, Maja-Lisa; Agner, Tove; Hansen, Anders J (Peer reviewed; Journal article, 2020)
      Introduction. The pathogenesis of atopic dermatitis (AD) is not yet fully understood, but the bacterial composition of AD patients’ skin has been shown to have an increased abundance of Staphylococcus aureus. More recently, ...
    • Development of species-specific eDNA-based test systems for monitoring of freshwater crayfish 

      Knudsen, Steen Wilhelm; Agersnap, Sune; Møller, Peter Rask; Andersen, Jesper Harbo (NIVA-rapport;7447, Research report, 2019)
      This MONIS 5 report focuses on freshwater crayfish and was funded by the Danish Environmental Protection Agency. The aim of the present study was to develop species-specific systems for tracking environmental DNA (eDNA) ...
    • Development of species-specific eDNA-based test systems for monitoring of non-indigenous Decapoda in Danish marine waters 

      Knudsen, Steen Wilhelm; Møller, Peter Rask (NIVA-rapport;7544, Research report, 2020)
      We report the development of seven eDNA-based species-specific test systems for monitoring of marine Decapoda in Danish marine waters. The seven species are 1) Callinectes sapidus (blå svømmekrabbe), 2) Eriocheir sinensis ...
    • ECOMAR: A data-driven framework for ecosystem-based Maritime Spatial Planning in Danish marine waters. Results and conclusions from a development and demonstration project 

      Andersen, Jesper Harbo; Bendtsen, Jørgen; Hammer, Kathrine Jul; Harvey, E. Therese; Knudsen, Steen Wilhelm; Murray, Ciaran Joseph; Carstensen, Jacob; Petersen, Ib Krag; Svegaard, Signe; Tougaard, Jakob; Edelvang, Karen; Egekvist, Josefine; Olsen, Jeppe; Vinther, Morten; Al-Hamdani, Zyad; Jensen, Jørn Bo; Leth, Jørgen O; Kaae, Berit C; Olafsson, Anton Stahl; McClintock, William E.; Burt, Chad; Yocum, Dan (NIVA-rapport;7562, Research report, 2020)
      We report the developments and results of the ECOMAR project, which have taken place 2018-2020 and was funded by THE VELUX FOUNDATIONS. ECOMAR has established state-of-the-art data sets for the distribution of human ...
    • Ikke-hjemmehørende arter i marine områder 

      Andersen, Jesper Harbo; Knudsen, Steen Wilhelm; Murray, Ciaran Joseph; Carl, Henrik; Møller, Peter Rask; Hesselsøe, Martin (NIVA-rapport;7658, Research report, 2021)
      Denne rapport omhandler ikke-hjemmehørende arter i de danske farvande og består af to dele. Den første vedrører en opdate-ring af den nationale liste over ikke-hjemmhørende arter i de danske farvande – også kaldet NIS-listen. ...
    • Monitoring a Norwegian freshwater crayfish tragedy: eDNA snapshots of invasion, infection and extinction 

      Strand, David; Johnsen, Stein Ivar; Rusch, Johannes; Agersnap, Sune; Larsen, William Brenner; Knudsen, Steen Wilhelm; Møller, Peter Rask; Vrålstad, Trude (Journal article; Peer reviewed, 2019)
      1. The European noble crayfish Astacus astacus is threatened by crayfish plague caused by the oomycete Aphanomyces astaci, which is spread by the invasive North American crayfish (e.g. signal crayfish Pacifastacus leniusculus). ...
    • Overvåking og kartlegging av fremmed ferskvannsfisk og vasspest ved bruk av miljø-DNA 

      Engesmo, Anette; Kistenich, Sonja; Knudsen, Steen Wilhelm; Christensen, Guttorm; Hesselsøe, Martin; Anglès d'Auriac, Marc (NIVA-rapport;7623, Research report, 2021)
      Tidligere publiserte molekylære deteksjonssystemer for fem invaderende fiskearter (pukkellaks, gjedde, ørekyt, sørv og suter) ble evaluert i henhold til Thalingers valideringsskala. Deretter ble det samlet miljø-DNA prøver ...
    • Overvåking og kartlegging av fremmed ferskvannsfisk ved bruk av miljø-DNA 

      Engesmo, Anette; Knudsen, Steen Wilhelm; Christensen, Guttorm; Hesselsøe, Martin; Anglès d'Auriac, Marc (NIVA-rapport;7435, Research report, 2019)
      Dette prosjektet er gjennomført på oppdrag fra Miljødirektoratet og målsetningen var å utvikle og teste ut et system for bruk av miljø-DNA som supplerende verktøy i overvåkning og kartlegging av fremmed ferskvannsfisk for ...
    • Remote, autonomous real‑time monitoring of environmental DNA from commercial fish 

      Hansen, Brian K; Jacobsen, Magnus W; Middelboe, Anne Lise; Preston, Christina M.; Marin III, Roman; Bekkevold, Dorte; Knudsen, Steen Wilhelm; Møller, Peter R.; Nielsen, Einar E (Peer reviewed; Journal article, 2020)
      Environmental DNA (eDNA) is increasingly used for monitoring marine organisms; however, offshore sampling and time lag from sampling to results remain problematic. In order to overcome these challenges a robotic sampler, ...
    • Supplementary material to ECOMAR: A data-driven framework for ecosystembased Maritime Spatial Planning in Danish marine waters 

      Andersen, Jesper Harbo; Hammer, Kathrine Jul; Harvey, E. Therese; Knudsen, Steen Wilhelm; Murray, Ciaran Joseph; Carstensen, Jacob; Petersen, Ib Krag; Sveegaard, Signe; Tougaard, Jakob; Edelvang, Karen; Olsen, Jeppe; Vinther, Morten; Al-Hamdani, Zyad; Jensen, Jørn Bo; Leth, Jørgen O; Kaae, Berit C; Olafsson, Anton S (NIVA-rapport;7525, Research report, 2020)
      This report contains, as said in the title, the supplementary material to the synthesis report from the ECOMAR project (2018- 2020). The supplementary material consists of three parts: 1) Annex A, being the data sets and ...
    • Tekniske anvisninger for eDNA-baseret overvågning af ikke-hjemmehørende marine arter 

      Knudsen, Steen Wilhelm; Andersen, Jesper Harbo; Bekkevold, Dorte; Hesselsøe, Martin; Jensen, Søren K S; Møller, Peter Rask (NIVA-rapport;7455, Research report, 2020)
      Disse tekniske anvisninger er en revideret udgave af de ansvisninger, der tidligere er udarbejdet for Miljøstyrelsen og publiceret vinteren 2017/2018. De reviderede tekniske anvisninger indeholder en detaljeret protokol ...