Dr Thomas Dahlgren has a PhD in zoology from the University of Gothenburg. He has specialized in invertebrate zoology with the emphasis on biodiversity mapping including species discovery and naming. Dr Dahlgren has also worked extensively on biodiversity assessments regarding impact from marine anthropogenic activities such as deep-sea mining, oil and gas extraction, offshore wind energy and aquaculture. At present Dr Dahlgren will work on characterizing the fauna living in the areas in the borderland between land and ocean as well as how this fauna is distributed and connected to e.g. carbon sequestration and on characterizing the fauna living in the deep-sea or Antarctic areas including how this fauna is distributed and connected on the sea floor. Currently Dr Dahlgren holds a position as research professor at the Norwegian Research Centre NORCE in Bergen, Norway and as associate professor at the University of Gothenburg, Sweden.
Thomas Gunnar Dahlgren
Research Professor
thda@norceresearch.no
+47 56 10 74 48
Nygårdsgaten 112, 5008 Bergen, Norway
Division
Climate & Environment
Research themes
Research Groups
Molecular Ecology and Paleogenomics - MEP
More information about Thomas
Download pressphotoSource: Malin Arnesson
Projects
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Academic articleA new species of Erinaceusyllis (Annelida: Syllidae) discovered at a wood-fall in the eastern Clarion-Clipperton zone, central Pacific ocean– Deep Sea Research Part I: Oceanographic Research Papers 2024
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Academic articleDiversity and phylogeny of demosponge fauna in the abyssal nodule fields of the eastern Clarion-Clipperton Zone, Pacific Ocean– Zoologica Scripta 2024
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Research reportEnvironmental DNA monitoring of fish communities at the Hywind Tampen floating offshore wind farm– NORCE Norwegian Research Centre 2024
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Academic articleEcological risk assessment of invertebrates caught in Swedish west-coast fisheries– Fisheries Research 2024
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Research reportMetabarcoding of sediment eDNA communities at the Hywind Scotland OWF – A pilot study– NORCE Norwegian Research Centre 2023
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Academic articleChecklist of newly-vouchered annelid taxa from the Clarion-Clipperton Zone, central Pacific Ocean, based on morphology and genetic delimitation– Biodiversity Data Journal 2023
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Academic articleTaxonomy, phylogeny, and biodiversity of Lumbrineridae (Annelida, Polychaeta) from the Central Pacific Clarion-Clipperton Zone– ZooKeys 2023
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Academic articleCarbonate compensation depth drives abyssal biogeography in the northeast Pacific– Nature Ecology and Evolution 2023
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Academic articleEnvironmental DNA reveals spatial patterns of fish and plankton diversity at a floating offshore wind farm– Environmental DNA 2023
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Research reportMarin Overvåking Hordaland – Sammendragsrapport 2019–2022– NORCE Norwegian Research Centre 2023
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Academic articleHow many metazoan species live in the world's largest mineral exploration region?– Current Biology 2023
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Academic articleBiodiversity, biogeography, and connectivity of polychaetes in the world's largest marine minerals exploration frontier– Diversity and Distributions: A Journal of Conservation Biogeography 2023
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Conference lectureAssessment of impact of a floating windfarm on the pelagic ecosystem – will eDNA help us?– OIKOS meeting 2023 2023
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Academic literature reviewInsights from the management of offshore energy resources: Toward an ecosystem-services based management approach for deep-ocean industries– Frontiers in Marine Science 2023
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Academic articleThe Use of eDNA to Monitor Pelagic Fish in Offshore Floating Wind Farms– Oceanography 2023
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Conference lectureClimate refugia in MSP – a scientific perspective– Towards climate smart MSP - inspiration and reflections from Sweden eMSP NBSR 2023
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Conference lectureExperience from environmental baseline studies in the Pacific and what to learn from these– UTC Marine Minerals 2022
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Conference lectureImpact on marine life from Offshore Wind activities - what do we know?– 8. Offshore wind : Coexistence in the ocean space 2022
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Conference lectureEnvironment – North Sea Vulnerabilities– VISTA Researcher Day 2022: Which conditions make the North Sea attractive in the future's energy system? 2022
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Conference lectureUsing genetic information to advance deep-sea taxonomy and biodiversity assessment in the Area– Enhancing Genetic Approaches to Advance Deep-Sea Taxonomy 2022
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Academic articleAbyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Amphinomidae and Euphrosinidae (Annelida, Amphinomida)– ZooKeys 2022
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Research reportWind and Fisheries: Desktop Study on the Coexistence Between Offshore Wind and Fisheries in Sothern North Sea II– NORCE Norwegian Research Centre 2022
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Academic articleAbyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Spionidae and Poecilochaetidae– Marine Biodiversity 2022
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Academic articleBenthic megafauna of the western Clarion-Clipperton Zone, Pacific Ocean– ZooKeys 2022
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Research reportEnvironmental DNA monitoring of pelagic fish fauna at the Hywind Scotland floating wind energy installation – A pilot study– NORCE Norwegian Research Centre 2022
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Professional articleBiogeography and connectivity across habitat types and geographical scales in Pacific abyssal scavenging amphipods– Frontiers in Marine Science 2021
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Academic articleEnvironment, ecology, and potential effectiveness of an area protected from deep-sea mining (Clarion Clipperton Zone, abyssal Pacific)– Progress in Oceanography 2021
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Academic articleNeanthes goodayi sp. nov. (Annelida, Nereididae), a remarkable new annelid species living inside deep-sea polymetallic nodules– European Journal of Taxonomy 2021
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Academic articleBiogeography and Connectivity Across Habitat Types and Geographical Scales in Pacific Abyssal Scavenging Amphipods– Frontiers in Marine Science 2021
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Academic articleThe bone-degrading enzyme machinery: From multi-component understanding to the treatment of residues from the meat industry– Computational and Structural Biotechnology Journal 2021
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Research reportMetaMon final project report - High-throughput metabarcoding of eukaryotic diversity for environmental monitoring of marine sediments– NORCE Norwegian Research Centre 2021
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Conference lectureImpacts of Offshore Oil Extraction Assessed by Metabarcoding –Insights from the MetaMon Project– International workshop on Environmental Genomics 2021
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Conference lectureSediment eDNA Metabarcoding for monitoring impacts from offshore oil extraction– 1st DNAqua-Net International Conference 2021
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Academic articleThe impact of DNA extract homogenization and replication on marine sediment metabarcoding diversity and heterogeneity– Environmental DNA 2021
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Academic articleGrab what you can—an evaluation of spatial replication to decrease heterogeneity in sediment eDNA metabarcoding– PeerJ 2021
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Academic articleBenthic eDNA metabarcoding provides accurate assessments of impact from oil extraction, and ecological insights– Ecological Indicators 2021
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Non-fiction chapterAbyssal plains– 2021
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Academic articleDeciphering a Marine Bone-Degrading Microbiome Reveals a Complex Community Effort– mSystems 2021
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Academic articlePatterns of Macrofaunal Biodiversity Across the Clarion-Clipperton Zone: An Area Targeted for Seabed Mining– Frontiers in Marine Science 2021
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Academic articleAnnelid Fauna of the Prince Gustav Channel, a Previously Ice-Covered Seaway on the Northeastern Antarctic Peninsula– Frontiers in Marine Science 2021
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Research reportImplementation of Environmental DNA (eDNA) as a Tool for Ecosystem-Based Fisheries Management– U.S. Department of Commerce, NOAA 2020
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Research reportMarin Overvåking Hordaland – Statusrapport 2019– NORCE Norwegian Research Centre 2020
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Conference lectureEvidence-based methodology in sediment metabarcoding monitoring for offshore oil and gas extraction– 5th World Conference on Marine Biodiversity 2020
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Conference lectureEvidence-based methodology in sediment metabarcoding monitoring for offshore oil and gas extraction– International Workshop on Environmental Genomics 2020
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Academic articleApplication of polychaetes in (de)coupled integrated aquaculture: an approach for fish waste bioremediation– Aquaculture Environment Interactions 2020
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Academic articleA New Species of Osedax (Siboglinidae: Annelida) From Colonization Experiments in the Arctic Deep Sea– Frontiers in Marine Science 2020
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Academic articleSignificant taxon sampling gaps in DNA databases limit the operational use of marine macrofauna metabarcoding– Marine Biodiversity 2020
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Academic articleQuantification of eDNA to map the distribution of cold-water coral reefs– Frontiers in Marine Science 2020
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Academic literature reviewHigh diversity and pan-oceanic distribution of deep-sea polychaetes: Prionospio and Aurospio (Annelida: Spionidae) in the Atlantic and Pacific Ocean– Organisms Diversity & Evolution 2020
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Research reportMarin Overvåking Hordaland - Samlerapport 2016-2018– NORCE Norwegian Research Centre 2019
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Academic articleMixed-habitat assimilation of organic waste in coastal environments – It's all about synergy!– Science of the Total Environment 2019
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Academic articleAbyssal fauna of polymetallic nodule exploration areas, eastern Clarion-Clipperton Zone, central Pacific Ocean: Annelida: Capitellidae, Opheliidae, Scalibregmatidae, and Travisiidae– ZooKeys 2019
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Conference lectureMetamon: Initial Results and Roadmap– 2019 INTERNATIONAL WORKSHOP ON ENVIRONMENTAL GENOMICS: SCALABLE SOLUTIONS 2019
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Conference lectureMETAMON High-throughput metabarcoding of eukaryotic diversity for environmental monitoring of marine sediments –Assessment of the barcode archive and taxonomic gaps– 2019 INTERNATIONAL WORKSHOP ON ENVIRONMENTAL GENOMICS: SCALABLE SOLUTIONS 2019
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Conference lectureSignificant taxon sampling gaps in DNA databases from the best studied marine habitat on Earth– 8th International Barcode of Life Conference 2019
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Academic articleAccess to Marine Genetic Resources (MGR): raising awareness of best-practice through a new agreement for biodiversity beyond national jurisdiction (BBNJ)– Frontiers in Marine Science 2019
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Academic articleApplication of polychaetes in (de)coupled integrated aquaculture: Production of a high-quality marine resource– Aquaculture Environment Interactions 2019
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Conference lectureIntegrating DNA barcoding with traditional morphology-based taxonomy: assessment of species diversity in marine bristle worms (Annelida)– 13th International Polychaete Conference 2019
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Academic articleThe highly toxic and cryptogenic clinging jellyfish Gonionemus sp. (Hydrozoa, Limnomedusae) on the Swedish west coast– PeerJ 2019
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Professional articleEnhancing opportunistic polychaete communities under fish farms: an alternative concept for integrated aquaculture– Aquaculture Environment Interactions 2019
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Conference lectureHigh Genetic Diversity and Connectivity in Common CCZ Taxa.– Deep sea biology symposium 2018
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Academic articlePoint of View: Managing a sustainable deep- sea ‘blue economy’ requires knowledge of what actually lives there– eLIFE 2018
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Academic articleImplications of population connectivity studies for the design of marine protected areas in the deep sea: An example of a demosponge from the Clarion-Clipperton Zone– Molecular Ecology 2018
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Academic literature reviewEnvironmental benefits of leaving offshore infrastructure in the ocean– Frontiers in Ecology and the Environment 2018
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Conference lectureOngoing activities with eDNA as a monitoring tool in high-latitude marine ecosystems– eDNA analyses – a tool for quantitative assessments of marine ecosystems 2018
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Academic articleTemporal changes in benthic macrofauna on the west coast of Norway resulting from human activities– Marine Pollution Bulletin 2018
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Academic articleA new genus and species of abyssal sponge commonly encrusting polymetallic nodules in the Clarion-Clipperton Zone, East Pacific Ocean.– Systematics and Biodiversity 2017
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Academic articleMitochondrial genome and polymorphic microsatellite markers from the abyssal sponge Plenaster craigi Lim & Wiklund, 2017: tools for understanding the impact of deep-sea mining.– Marine Biodiversity 2017
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Academic articleAbyssal fauna of the UK-1 polymetallic nodule exploration area, clarion-clipperton zone, central Pacific Ocean: mollusca– ZooKeys 2017
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Academic articleEffect of an offshore wind farm on the viviparous eelpout: Biometrics, brood development and population studies in Lillgrund, Sweden– Ecological Indicators 2017
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Academic articleIntroducing ocean energy industries to a busy marine environment– Renewable and Sustainable Energy Reviews 2017
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Academic articleObservations of fauna attending wood and bone deployments from two seamounts on the Southwest Indian Ridge– Deep-Sea Research Part II: Topical Studies in Oceanography 2017
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Academic articleAn End-to-End DNA Taxonomy Methodology for Benthic Biodiversity Survey in the Clarion-Clipperton Zone, Central Pacific Abyss– Journal of Marine Science and Engineering (JMSE) 2016
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Academic articleAbyssal fauna of the UK-1 polymetallic nodule exploration claim, Clarion-Clipperton Zone, central Pacific Ocean: Echinodermata– Biodiversity Data Journal 2016
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Academic articleAbyssal fauna of the UK-1 polymetallic nodule exploration area, Clarion-Clipperton Zone, central Pacific Ocean: Cnidaria– Biodiversity Data Journal 2016
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Academic articleInsights into the abundance and diversity of abyssal megafauna in a polymetallic-nodule region in the eastern Clarion-Clipperton Zone– Scientific Reports 2016
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Conference lectureEnvironment - Legislation and Baseline Studies in the Deep Sea– Subsea Innovation Day - Deep Sea Mining 2016