Blar i NTNU Open på forfatter "Bakken, Torkild"
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Diversity of Norwegian sea slugs (Nudibranchia): new species to Norwegian coastal waters and new data on distribution of rare species
Evertsen, Jussi; Bakken, Torkild (Journal article; Peer reviewed, 2013)A total of 5 nudibranch species are reported from the Norwegian coast for the first time (Doridoxa ingolfiana, Goniodoris castanea, Onchidoris sparsa, Eubranchus rupium and Proctonotus mucroniferus). In addition 10 species ... -
Diversity, habitat endemicity and trophic ecology of the fauna of Loki’s Castle vent field on the Arctic Mid-Ocean Ridge
Eilertsen, Mari Heggernes; Kongsrud, Jon Anders; Tandberg, Anne Helene S.; Alvestad, Tom; Budaeva, Nataliya; Martell, Luis; Ramalho, Sofia P.; Falkenhaug, Tone; Huys, Rony; Oug, Eivind; Bakken, Torkild; Høisæter, Tore; Rauch, Cessa; Carvalho, Francisca Maria Correia de; Savchenko, Alexandra; Ulvatn, Tone; Kongshavn, Katrine; Berntsen, Cassandra Mari; Olsen, Bernt Rydland; Pedersen, Rolf B. (Journal article; Peer reviewed, 2024)Loki’s Castle Vent Field (LCVF, 2300 m) was discovered in 2008 and represents the first black-smoker vent field discovered on the Arctic Mid-Ocean Ridge (AMOR). However, a comprehensive faunal inventory of the LCVF has not ... -
DNA barcoding of the northern Northeast Atlantic skates (Chondrichthyes, Rajiformes), with remarks on the widely distributed starry ray
Lynghammar, Arve; Christiansen, Jørgen Schou; Griffiths, Andrew M.; Fevolden, Svein-Erik; Hop, Haakon; Bakken, Torkild (Journal article; Peer reviewed, 2014)The skate fauna in the northern Northeast (NE) Atlantic is poorly investigated, and misidentifications are common. Here, ‘DNA barcoding’ was used to analyse 105 specimens of 15 species previously reported from the area to ... -
Feltarbeid i Saltstraumen marine verneområde. Utfordringer og metodikk for observasjon og skånsom innsamling av marin fauna i en av verdens sterkeste tidevannsstrømmer
Bakken, Torkild; Kongshavn, Katrine; Martell Hernández, Luis Felipe; Alvestad, Tom; Kongsrud, Jon Anders (NTNU Vitenskapsmuseet naturhistorisk notat;, Research report, 2020)Det ble gjennomført feltarbeid i Saltstraumen i september 2019 for å kartlegge fauna av marine invertebrater. Feltarbeidet ble gjennomført i samarbeid med interessegruppa for Saltstraumen marine verneområde som arrangerte ... -
The first consolidation of morphological, molecular, and phylogeographic data for the finely differentiated genus Diaphoreolis (Nudibranchia: Trinchesiidae)
Korshunova, Tatiana; Fletcher, Karin; Bakken, Torkild; Martynov, Alexander (Peer reviewed; Journal article, 2023)We demonstrate the application of the multilevel organismal diversity approach using the example of the nudibranch trinchesiid genus Diaphoreolis. For the first time, fine-scale morphological, genetic, and phylogeographic ... -
The genus Jorunna (Nudibranchia: Discodorididae) in Europe: A new species and a possible case of incipient speciation
Neuhaus, Jenny; Rauch, Cessa; Bakken, Torkild; Picton, Bernard; Pola, Marta; Malaquias, Manuel António E. (Peer reviewed; Journal article, 2021)To investigate the conspecificity of different morphotypes of Jorunna tomentosa (Cuvier, 1804) (type species of genus Jorunna Bergh, 1876), we studied specimens sampled from across part of the geographical distribution of ... -
Growth models for assessing anthropogenic impacts on King scallop, Pecten maximus (Bivalvia), at Frøya, Norway
Nafstad, Ådne Messel (Master thesis, 2018)In marine ecosystems, the performance of coastal species is affected by anthropogenic activities such as aquaculture and plastic pollution. These impacts will increase in the future as the human population and consumption ... -
Habitatklassifisering og trusselvurderinger av rødlistearter. Forslag til standarisert system
Ødegaard, Frode; Bakken, Torkild; Blom, Hans; Brandrud, Tor Erik; Stokland, Jogeir N.; Aarrestad, Per Arild (NINA rapport;, Research report, 2005)Målet med dette arbeidet har vært å utarbeide et system for presis og effektiv angivelse av ha- bitattyper og påvirkningsfaktorer for rødlistede arter. Det nye systemet skal inngå som menyer i et web-basert verktøy til ... -
Integrative Taxonomy Reveals Hidden Diversity in the Genus Chaetozone (Annelida, Cirratulidae) in Norwegian Waters
Grosse, Maël Ariel (Master thesis, 2019)The polychaetes of the family Cirratulidae (Annelida) are common inhabitants in offshore benthic sediments and considered as an important group in environmental monitoring. Amongst them, the genus Chaetozone is the most ... -
Kartlegging av marin bløtbunnsfauna - Metodeutvikling i hydrolittoralsonen
Haugen, Grethe Sundet (Master thesis, 2016)Det er gjort få kvalitative undersøkelser på bløtbunnssamfunnet i hydrolittoralen i Norge. I denne studien ble artssammensetningen i littoralsonen fra tre forskjellige bløtbunnsstrender i Sør-Trøndelag undersøkt ved en ... -
Knock knock, who’s there?: marine invertebrates in tubes of Ceriantharia (Cnidaria: Anthozoa)
Ceriello, Hellen; Lopes, Celine; Reimer, James Davis; Bakken, Torkild; Fucuda, Marcelo; Cunha, Carlo Magenta; Stampar, Sergio N. (Journal article; Peer reviewed, 2020)This study reports on the fauna found in/on tubes of 10 species of Ceriantharia and discusses the characteristics of these occurrences, as well as the use of mollusc shells in ceriantharian tube construction. A total of ... -
Knowledge on biodiversity in focus
Bakken, Torkild; Heggberget, Thrine Moen (Journal article; Peer reviewed, 2008) -
Kunnskapsstatus for bruk av molekylære verktøy i kartlegging og overvåkning av biologisk mangfold i marine miljø
Dunshea, Glenn; Martell, Luis; Bakken, Torkild; Budaeva, Nataliya; Ekrem, Torbjørn; Tandberg, Anne Helene S.; Baussant, Thierry; de Boer, Hugo; Hestetun, Jon Thomassen; Hobæk, Anders; Kallioniemi, Eveliina; Larsen, Aud; Markussen, Stine Svalheim; Mauvisseau, Quentin; Ray, Jessica Louise; Yoccoz, Nigel; Willassen, Endre (Research report, 2021)Denne rapporten er bestilt av Miljødirektoratet fra NorBOL (Norwegian Barcode of Life), et nasjonalt nettverk av forskningsinstitusjoner som koordineres av NTNU Vitenskapsmuseet. Universitetsmuseet i Bergen har hatt ... -
Local variations in species composition on Laminaria hyperborea stipes as response of degree of exposure and impact by aquaculture
Havnegjerde, Albertine Rekdal (Master thesis, 2018)Laminaria hyperborea kelp forest is a vitally important habitat that provides feeding ground, hiding space and habitat for numerous other species of both fauna and flora. Approximately 80 % of the total Norwegian algae ... -
Looking for alien invertebrates in Norwegian ports, extensive sampling, and precise identification
Espelien, Marte Svorkmo (Master thesis, 2020)Fremmedarter er sammen med klimaendringer, tap av habitat, overhøsting og forurensning de mest alvorlige truslene globalt mot biologisk mangfold. I det marine miljø spres arter blant annet gjennom internasjonal skipstrafikk ... -
Lugworms (Arenicolidae, Annelida) in Norwegian waters - species diversity and habitat preferences
Dille, Marthe Ree (Master thesis, 2022)Arenicola marina Linnaeus, 1758 er en godt kjent art langs norskekysten. Nylig ble en ny art beskrevet som tidligere ble identifisert som A. marina. Denne nye arten, Arenicola defodiens Cadman & Nelson-Smith, 1993 har ikke ... -
Macroalgal detritus: Physical variables and impacts on the benthic macrofaunal community
Fjærtoft, Kaja Lønne (Master thesis, 2018)Marine primary productivity by micro- and macroalgae in Norway, limited to the photic zone (0 200 m depth), controls the amount of organic carbon (food) available to higher trophic levels, and is the basis for marine ... -
Mapping distribution patterns of brittle stars using ROV-based imaging
Marnor, Camilla Mult (Master thesis, 2022)Stor etterspørsel etter marine økosystemtjenester og konkurranse om havrom presser marine økosystemer til det ytterste. Det er et behov for effektive metoder for identifisering, kartlegging og overvåking for å forstå ... -
Mapping of a seagrass habitat in Hopavågen, Sør-Trøndelag, with the use of an Autonomous Surface Vehicle combined with optical techniques
Alvsvåg, Dora Marie (Master thesis, 2017)Mapping and monitoring of marine habitats are important for proper management and decision making. However, shallow coastal habitats (0 5 meters depth) are largely under-sampled in time and space. Knowledge about morphology, ... -
Mapping of marine benthic invertebrates in the Oslofjord and the Skagerrak: sampling data of museum collections from 1950–1955 and from recent investigations
Oug, Eivind; Christiansen, Marit Ellen; Dobbe, Kristine; Rønning, Ann-Helen; Bakken, Torkild; Kongsrud, Jon Anders (Journal article; Peer reviewed, 2015)Data from large sampling programmes for the mapping of marine invertebrates in the Oslofjord, Norway, and the Skagerrak, spanning more than six decades, are compiled and digitized to provide easy access in modern data ...