Browsing NTNU Open by Author "Topstad, Lasse"

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    • A multi-marker metabarcoding approach to study tardigrade diversity in forest ecosystems. 

      Topstad, Lasse (Master thesis, 2019)
      Som annen mikroskopisk fauna blir bjørnedyr ofte oversett i økologiske undersøkelser. Med sin kosmopolitiske utbredelse i alt fra sedimenter på havets dyp til høyalpine fjellområder, spiller bjørnedyr viktige roller i mange ...

    • DNA Metabarcoding of Preservative Ethanol Reveals Changes in Invertebrate Community Composition Following Rotenone Treatment 

      Kjærstad, Gaute; Majaneva, Markus; Falahati-Anbaran, Mohsen; Topstad, Lasse; Finstad, Anders Gravbrøt; Arnekleiv, Jo Vegar; Ekrem, Torbjørn (Peer reviewed; Journal article, 2022)
      The botanical compound rotenone is extensively used to eradicate populations and reduce the negative impacts of freshwater invasive animals. The method is controversial as non-target organisms often are negatively affected, ...

    • Multi-marker DNA metabarcoding reflects tardigrade diversity in different habitats 

      Topstad, Lasse; Guidetti, Roberto; Majaneva, Markus; Ekrem, Torbjørn (Peer reviewed; Journal article, 2021)
      Like meiofauna in general, tardigrades are often neglected in ecological and environmental surveys. Tardigrades occur in all parts of the world, from deep marine sediments to alpine environments, and are present in most ...

    • Tardigrade diversity and community composition across Norwegian boreal forests 

      Guidetti, Roberto; Jönsson, K. Ingemar; Kaczmarek, Łukasz; Meier, Terje; Speed, James David Mervyn; Prestø, Tommy; Stur, Elisabeth; Topstad, Lasse; Cesari, Michele; Roszkowska, Milena; Zawierucha, Krzysztof; Hassel, Kristian; Ekrem, Torbjørn (Peer reviewed; Journal article, 2023)
      Tardigrades are common in many terrestrial environments and habitats. Although little is known on their ecological preferences, previous studies found diversity and community composition significantly affected by various ...

    • An urban Blitz with a twist: rapid biodiversity assessment using aquatic environmental DNA 

      Hupało, Kamil; Majaneva, Markus; Czachur, Molly Victoria; Sire, Lucas; Marquina, Daniel; Lijtmaer, Darío A.; Ivanov, Vladislav; Leidenberger, Sonja; Čiampor, Fedor; Čiamporová-Zat'ovičová, Zuzana; Mendes, Izabela S.; Desiderato, Andrea; Topstad, Lasse; Meganck, Danial Hariz Z. A.; Kjærstad, Gaute; Lin, Xiaolong; Price, Benjamin; Stevens, Mark; Ekrem, Torbjørn; Deiner, Kristy (Peer reviewed; Journal article, 2020)
      As global biodiversity declines, there is an increasing need to create an educated and engaged society. Having people of all ages participate in measuring biodiversity where they live helps to create awareness. Recently, ...