Blar i NTNU Open på forfatter "Bakken, Torkild"
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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 ... -
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 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 ... -
Morphological Diversity in Laminaria digitata: -different Species or different Phenotypes?
Lund, Lene (Master thesis, 2014)Laminaria digitata-like specimens from the Trondheimsfjord, Hitra and Svalbard were studied using traditional morphological characteristics together with DNA barcoding of the mtDNA COI-gene. The phylogenetic analyses based ... -
Museumsnettverk i taksonomi
Bakken, Torkild (Research report, 2004) -
Nereididae Blainville, 1818
Bakken, Torkild; Glasby, Christopher J.; Santos, Cinthya S. G.; Wilson, Robin S. (Journal article; Peer reviewed, 2018)The family Nereididae is one of the most diverse polychaete families with more than 50 genera described (43 considered valid) with approximately 770 valid species (Read & Glasby 2017). Many species are abundant in easily ... -
Original specimens and type localities of early described polychaete species (Annelida) from Norway, with particular attention to species described by O.F. Müller and M. Sars
Oug, Eivind; Bakken, Torkild; Kongsrud, Jon Anders (Journal article; Peer reviewed, 2014)Early descriptions of species from Norwegian waters are reviewed, with a focus on the basic requirements for reassessing their characteristics, in particular, by clarifying the status of the original material and locating ... -
Phylogenetic hypothesis of Sphaerodoridae Malmgren, 1867 (Annelida) and its position within Phyllodocida
Capa, Maria; Aguado, Maria Teresa; Bakken, Torkild (Journal article; Peer reviewed, 2015)Sphaerodoridae is a small, morphologically well-defined group of annelids, with remarkable spherical tubercles covering their body surface. They have generally been considered as part of Phyllodocida, but there is no ... -
Polychaetes from Jan Mayen (Annelida, Polychaeta)
Bakken, Torkild; Kongsrud, Jon Anders; Oug, Eivind; Cochrane, Sabine; Moen, Toril Loennechen; Solbakken, Beata Elisabeth Borowiec (Journal article; Peer reviewed, 2010)A thorough literature review has been undertaken to establish the first complete account of polychaetes recorded from the area around the volcanic island of Jan Mayen. The annotated checklist lists 121 species-level taxa, ... -
Polychaetous annelids in the deep Nordic Seas: Strong bathymetric gradients, low diversity and underdeveloped taxonomy
Oug, Eivind; Bakken, Torkild; Kongsrud, Jon Anders; Alvestad, Tom (Journal article; Peer reviewed, 2016)Not much is known on polychaete diversity in the deep Nordic Seas. Based on data from extensive sampling over three decades, new data on polychaetes covering depths from 550 m to 3800 m are presently reported. On a depth ... -
Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda)
Korshunova, Tatiana; Martynov, Alexander; Bakken, Torkild; Evertsen, Jussi; Fletcher, Karin; Mudianta, I Wayan; Saito, Hiroshi; Lundin, Kennet; Schrödl, Michael; Picton, Bernard (Journal article; Peer reviewed, 2017)The Flabellinidae, a heterogeneous assembly of supposedly plesiomorphic to very derived sea slug groups, have not yet been addressed by integrative studies. Here novel material of rarely seen Arctic taxa as well as North ... -
Population structure, parasitism and prey preference in Sclerocrangon boreas and S. ferox, Svalbard
Bjørdalsbakke, Lise Kristin (Master thesis, 2011)The aim of this study was to enhance the knowledge on ecological and life-history parameters of Sclerocrangon boreas and Sclerocrangon ferox in Svalbard waters, including sex ratio, population structure, parasitism and ... -
Quality issues in georeferencing: From physical collections to digital data repositories for ecological research
Marcer, Arnald; Haston, Elspeth; Groom, Quentin; Ariño, Arturo; Chapman, Arthur D.; Bakken, Torkild; Braun, Paul; Dillen, Mathias; Ernst, Marcus; Escobar, Agustí; Fichtmüller, David; Livermore, Laurence; Nicolson, Nicky; Paragamian, Kaloust; Paul, Deborah; Petterson, Lars, B.; Phillips, Sarah; Plummer, Jack; Rainer, Heimo; Rey, Isabel; Robertson, Tim; Röpert, Dominik; Santos, Joaquim; Uribe, Francesc; Waller, John; Wieczorek, John R. (Peer reviewed; Journal article, 2020)Natural history collections constitute an enormous wealth of information of Life on Earth. It is estimated that over 2 billion specimens are preserved at institutions worldwide, of which less than 10% are accessible via ... -
Ramsarområdet Tautra med Svaet: Respons hos vannfugl og bunndyrfauna på bruåpningen i veimoloen ut til Tautra
Thingstad, Per Gustav; Bakken, Torkild; Stokland, Øystein (NTNU Vitenskapsmuseet naturhistorisk notat;, Research report, 2015)Tautra ligger i Trondheimsfjorden i Frosta kommune, Nord-Trøndelag. Øya er 3,5 km lang og opptil 1 km bred, og har et areal på ca. 1700 dekar. Svaet er det vidstrakte og grunne sjøområdet ... -
Revision of the Alitta virens species complex (Annelida: Nereididae) from the North Pacific Ocean
Villalobos-Guerrero, Tulio F.; Bakken, Torkild (Journal article; Peer reviewed, 2018)Alitta virens species complex encompasses elongate nereidids appreciated commercially both in the fishing and aquaculture industries. This complex has been well studied in biological and ecological terms. Nevertheless, ... -
Revision of the Australian Sphaerodoridae (Annelida) including the description of four new species
Capa, Maria; Bakken, Torkild (Journal article; Peer reviewed, 2015)A revision of the complete sphaerodorid (Sphaerodoridae, Annelida) collections housed in the three major Australian museums (The Australian Museum, Museum and Art Gallery of the Northern Territory and Museum Victoria) has ... -
Sammenligning av agnede stereo video-rigger med fisketeiner langs kysten av Frøya og Hitra
Bull, Marit (Master thesis, 2019)Verdenshavene blir påvirket av menneskeskapte påvirkninger fra klimaendringer, overfiske, turisme, skipsfartsindustri, olje og gass, og det har derfor aldri før vært viktigere med marin bevaring. Med medvirkning fra ... -
Species delimitation analyses of NE Atlantic Chaetozone (Annelida, Cirratulidae) reveals hidden diversity among a common and abundant marine annelid
Grosse, Maël Ariel; Bakken, Torkild; Nygren, Arne; Kongsrud, Jon Anders; Capa, Maria (Peer reviewed; Journal article, 2020)The polychaetes of the family Cirratulidae (Annelida) are common inhabitants in continental shelf benthic environments and considered an important group of organisms in environmental monitoring surveys. The family represents ... -
Sphaerodoridae (Annelida) of the deep northwestern Atlantic, including remarkable new species of Euritmia and sphaerephesia
Capa, Maria; Osborn, Karen J; Bakken, Torkild (Journal article; Peer reviewed, 2016)Sphaerodoridae (Annelida) is a seeming uncommon and minimally diverse group of polychaetes in the northwestern Atlantic, with only seven species reported from the United States, and none from the eastern coast of Canada, ...