• 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 ...
    • Development of species-specific eDNA-based test systems for monitoring of non-indigenous species in Danish marine waters 

      Andersen, Jesper Harbo; Kallenbach, Emilie; Thaulow, Jens; Hesselsøe, Martin; Bekkevold, Dorte; Hansen, Brian Klitgaard; Jacobsen, Lars Magnus Wulf; Olesen, Christian Aakjaer; Møller, Peter Rask; Knudsen, Steen W. (NIVA-rapport;7204, Research report, 2018)
      The MONIS 3 project reports the development of 22 species-specific eDNA-based test systems for monitoring and mapping of the occurrence of non-indigenous species in Danish marine waters. The development has been undertaken ...
    • 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). ...
    • Monitoring of environmental DNA from nonindigenous species of algae, dinoflagellates and animals in the North East Atlantic 

      Knudsen, Steen Wilhelm; Hesselsøe, Martin; Thaulow, Jens; Agersnap, Sune; Hansen, Brian Klitgaard; Jacobsen, Magnus Wulff; Bekkevold, Dorte; Jensen, Søren K.S.; Møller, Peter Rask; Andersen, Jesper H. (Peer reviewed; Journal article, 2022)
      Monitoring the distribution of marine nonindigenous species is a challenging task. To support this monitoring, we developed and validated the specificity of 12 primer-probe assays for detection of environmental DNA (eDNA) ...
    • A National Scale “BioBlitz” Using Citizen Science and eDNA Metabarcoding for Monitoring Coastal Marine Fish 

      Agersnap, Sune; Sigsgaard, Eva Egelyng; Jensen, Mads Reinholdt; Ávila, Marcelo De Paula; Carl, Henrik; Møller, Peter Rask; Krøs, Simon Leed; Knudsen, Steen Wilhelm; Wisz, Mary S.; Thomsen, Philip Francis (Peer reviewed; Journal article, 2022)
      Marine biodiversity is threatened by human activities. To understand the changes happening in aquatic ecosystems and to inform management, detailed, synoptic monitoring of biodiversity across large spatial extents is needed. ...
    • Sampling protocol for monitoring of non-indigenous species in selected Danish harbours 

      Andersen, Jesper Harbo; Brink, Mathias; Kallenbach, Emilie; Hesselsøe, Martin; Knudsen, Steen W.; Støttrup, Josianne G.; Møller, Peter Rask; Eikrem, Wenche; Fagerli, Camilla With; Oug, Eivind (NIVA-rapport;7175, Research report, 2017)
      The sampling protocol is a product of the MONIS 4 project, or in full “Monitoring of non-indigenous species in selected Danish harbours”. Sampling will take place using a broad range of methods, both conventional sampling ...
    • Steps toward nation-wide monitoring of non-indigenous species in Danish marine waters under the Marine Strategy Framework Directive 

      Andersen, Jesper Harbo; Kallenbach, Emilie; Hesselsøe, Martin; Knudsen, Steen W.; Møller, Peter Rask; Bekkevold, Dorte; Hansen, Brian Klitgaard; Thaulow, Jens (NIVA-rapport;7022, Research report, 2016)
      This report is the outcome of MONIS 2 – or in full, “Monitoring of Non-Indigenous Species in Danish Marine Water, phase 2” – and includes three deliverable: (1) a national Target Species List including 50 species, (2) a ...
    • 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 ...