Blar i NTNU Open på forfatter "Bakken, Torkild"
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Mapping of Zostera habitat in the Sublittoral Zone using Underwater Hyperspectral Imaging and Unmanned Surface Vehicle
Søreng, Marte Opsahl (Master thesis, 2022)Sjøgressenger over hele verden trues av menneskeskapte habitatødeleggelser og global oppvarming. Det er et behov for kartlegging med høy oppløsning for å øke overvåkningsevnene våre og fylle kunnskapshull knyttet til disse ... -
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) -
Naturvitenskapelige kvaliteter i Gaulosen, Trondheimsfjorden – en statusrapport
Bakken, Torkild (NTNU Vitenskapsmuseet naturhistorisk rapport;, Research report, 2022)Gaulosen er en fjordarm i Trondheimsfjorden og er en av Norges få gjenværende elveoser, eller estuarier, som er svært lite påvirket av menneskelige inngrep. I 2016 ble den indre delen av Gaulosen vernet etter Naturmangfoldloven ... -
The Nereididae (Annelida) – diagnoses, descriptions, and a key to the genera
Wilson, Robin S.; Glasby, Christopher J.; Bakken, Torkild (Journal article; Peer reviewed, 2023)Nereididae is among the most familiar of marine annelid families, common and well-studied in most marine environments but paradoxically no recent key or identification guide exists to the world’s genera. Here updated generic ... -
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 ... -
Reappraisal of the hyperdiverse Platynereis dumerilii (Annelida: Nereididae) species complex in the Northern Atlantic, with the description of two new species
Teixeira, Marcos A. L; Langeneck, Joachim; Vieira, Pedro E.; Hernández, José Carlos; Sampieri, Bruno R.; Kasapidis, Panagiotis; Mucciolo, Serena; Bakken, Torkild; Ravara, Ascensão; Nygren, Arne; Costa, Felipe (Peer reviewed; Journal article, 2022)Morphologically similar species are often overlooked but molecular techniques have been effective in signalling potential hidden diversity, boosting the documentation of unique evolutionary lineages and ecological diversity. ... -
A regionally coherent ecological fingerprint of climate change, evidenced from natural history collections
Speed, James David Mervyn; Evankow, Ann; Petersen, Tanja Kofod; Ranke, Peter Sjolte; Nilsen, Nellie Henriette; Turner, Grace Winifred; Aagaard, Kaare; Bakken, Torkild; Davidsen, Jan Grimsrud; Dunshea, Glenn; Hassel, Kristian; Finstad, Anders Gravbrøt; Husby, Magne; Hårsaker, Karstein; Koksvik, Jan Ivar; Prestø, Tommy; Vange, Vibekke (Peer reviewed; Journal article, 2022)Climate change has dramatic impacts on ecological systems, affecting a range of ecological factors including phenology, species abundance, diversity, and distribution. The breadth of climate change impacts on ecological ... -
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 ... -
Richness, abundance, and spatial distribution of coastal fish around Hitra and Frøya: A stereo-BRUV survey
Skoge, Astrid Winnberg (Master thesis, 2023)I denne masteroppgaven har jeg brukt 228 timer med stereo-BRUV-data samlet over to år langs kysten av Hitra og Frøya til å observere effekten av bølgeeksponering, strømhastighet, temperatur og dybde på artsrikhet og ... -
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 ...