• Annelid Fauna of the Prince Gustav Channel, a Previously Ice-Covered Seaway on the Northeastern Antarctic Peninsula 

      Drennan, Regan; Dahlgren, Thomas Gunnar; Linse, Katrin; Glover, Adrian G. (Peer reviewed; Journal article, 2021)
      The Prince Gustav Channel is a narrow seaway located in the western Weddell Sea on the northeastern-most tip of the Antarctic Peninsula. The channel is notable for both its deep (>1200 m) basins, and a dynamic glacial ...
    • Application of polychaetes in (de)coupled integrated aquaculture: an approach for fish waste bioremediation 

      Nederlof, Marit; Fang, Jinghui; Dahlgren, Thomas Gunnar; Rastrick, Samuel; Smaal, Aad C.; Strand, Øivind; Sveier, Harald; Verdegem, Marc C.J.; Jansen, Henrice M (Peer reviewed; Journal article, 2020)
      ABSTRACT: Development of benthic components within integrated multi-trophic aquaculture (IMTA) systems warrants more attention, and the development of polychaetes as an extractive component in IMTA systems is ongoing. This ...
    • Benthic eDNA metabarcoding provides accurate assessments of impact from oil extraction, and ecological insights 

      Lanzén, Anders; Dahlgren, Thomas Gunnar; Bagi, Andrea; Hestetun, Jon Thomassen (Peer reviewed; Journal article, 2021)
      Apart from its contribution to climate change, offshore oil and gas extraction is also a potential threat to the diversity and function of marine ecosystems. Routine monitoring of the environmental status of affected areas ...
    • The bone-degrading enzyme machinery: From multi-component understanding to the treatment of residues from the meat industry 

      Fernandez-Lopez, Laura; Sanches-Carrillo, Sergio; Garcia-Moyano, Antonio; Borchert, Erik; Almendral, David; Alonso, Sandra; Cea-Rama, Isabel; Miguez, Noa; Larsen, Øivind; Werner, Johannes; Makarova, Kira S; Plou, Fransisco J; Dahlgren, Thomas Gunnar; Sanz-Aparicio, Julia; Hentschel, Ute; Bjerga, Gro Elin Kjæreng; Ferrer, Manuel (Peer reviewed; Journal article, 2021)
      Many microorganisms feed on the tissue and recalcitrant bone materials from dead animals, however little is known about the collaborative effort and characteristics of their enzymes. In this study, microbial metagenomes ...
    • Deciphering a Marine Bone-Degrading Microbiome Reveals a Complex Community Effort 

      Borchert, Erik; Garcia-Moyano, Antonio; Sánchez-Carrillo, Sergio; Dahlgren, Thomas Gunnar; Slaby, B; Bjerga, Gro Elin Kjæreng; Ferrer, Manuel; Franzenburg, Sören; Hentschel, Ute (Peer reviewed; Journal article, 2021)
      The marine bone biome is a complex assemblage of macro- and microorganisms; however, the enzymatic repertoire to access bone-derived nutrients remains unknown. The bone matrix is a composite material made up mainly of ...
    • Environment, ecology, and potential effectiveness of an area protected from deep-sea mining (Clarion Clipperton Zone, abyssal Pacific) 

      Jones, Daniel O.B.; Simon-Lledó, Erik; Amon, Diva J.; Bett, Brian J.; Caulle, Clémence; Clément, Louis; Connelly, Douglas P.; Dahlgren, Thomas Gunnar; Durden, Jennifer M.; Drazen, Jeffrey C.; Felden, Janine; Gates, Andrew R.; Georgieva, Magdalena N.; Glover, Adrian G.; Gooday, Andrew J.; Hollingsworth, Anita L; Horton, Tammy; James, Rachael H.; Jeffreys, Rachel M.; Laguionie-Marchais, Clare; Leitner, Astrid B; Lichtschlag, Anna; Menendez, Amaya; Paterson, Gordon; Peel, Kate; Robert, Katleen; Schoening, Timm; Shulga, Natalia A.; Smith, Craig R.; Taboada, Sergio; Thurnherr, Andreas M.; Wiklund, Helena; Young, C. Robert; Huvenne, Veerle A.I. (Peer reviewed; Journal article, 2021)
      To protect the range of habitats, species, and ecosystem functions in the Clarion Clipperton Zone (CCZ), a region of interest for deep-sea polymetallic nodule mining in the Pacific, nine Areas of Particular Environmental ...
    • Grab what you can—an evaluation of spatial replication to decrease heterogeneity in sediment eDNA metabarcoding 

      Hestetun, Jon Thomassen; Lanzén, Anders; Dahlgren, Thomas Gunnar (Peer reviewed; Journal article, 2021)
      Environmental DNA methods such as metabarcoding have been suggested as possible alternatives or complements to the current practice of morphology-based diversity assessment for characterizing benthic communities in marine ...
    • The impact of DNA extract homogenization and replication on marine sediment metabarcoding diversity and heterogeneity 

      Hestetun, Jon Thomassen; Lanzén, Anders; Skaar, Katrine Sandnes; Dahlgren, Thomas Gunnar (Peer reviewed; Journal article, 2021)
      Metabarcoding of environmental DNA (eDNA) is an attractive complement to morphological methods for surveys and routine monitoring of marine sediment benthic communities. However, metabarcoding and other genetic techniques ...
    • MetaMon final project report - High-throughput metabarcoding of eukaryotic diversity for environmental monitoring of marine sediments 

      Hestetun, Jon Thomassen; Lanzén, Anders; Bagi, Andrea; Ray, Jessica Louise; Larsen, Aud; Dahlgren, Thomas Gunnar (Research report, 2021)
      MetaMon (2018-2021) was a project at the NORCE Molecular Ecology Research Group aimed at maturing eDNA for sediment offshore environmental monitoring. Findings include (i) guidelines for sampling and processing, (ii) a 97 ...
    • A New Species of Osedax (Siboglinidae: Annelida) From Colonization Experiments in the Arctic Deep Sea 

      Eilertsen, Mari Heggernes; Dahlgren, Thomas Gunnar; Rapp, Hans Tore (Peer reviewed; Journal article, 2020)
      Large parcels of organic matter in the deep sea, such as whale carcasses, harbor a very specialized fauna, most famously the bone-eating worms in the genus Osedax (Annelida, Siboglinidae). Although Osedax was first described ...
    • Patterns of Macrofaunal Biodiversity Across the Clarion-Clipperton Zone: An Area Targeted for Seabed Mining 

      Washburn, Travis; Menot, Lenaick; Bonifácio, Paulo; Pape, Ellen; Blazewicz, Magdalena; Bribiesca-Contreras, Lupita; Dahlgren, Thomas Gunnar; Fukushima, Tomohiko; Glover, Adrian G.; Jung Ju, Se; Kaiser, Stefanie; Hwan Yu, Ok; Smith, Craig R. (Peer reviewed; Journal article, 2021)
      Macrofauna are an abundant and diverse component of abyssal benthic communities and are likely to be heavily impacted by polymetallic nodule mining in the Clarion-Clipperton Zone (CCZ). In 2012, the International Seabed ...
    • Quantification of eDNA to map the distribution of cold-water coral reefs 

      Kutti, Tina; Johnsen, Ingrid A.; Skaar, Katrine Sandnes; Ray, Jessica Louise; Husa, Vivian; Dahlgren, Thomas Gunnar (Peer reviewed; Journal article, 2020)
      Marine litter harms marine life, human wellbeing and the provision of clean seafood. In the Barents Sea, a high portion of this source of pollution derives from fisheries. However, there remains a knowledge gap between ...