Cruise report HHUMTKT25: Tromsø - Kirkenes - Tromsø, April 16-21, 2025.

Sanne Bergman; Fredrik Broms; Katharina Kniesz; María Herranz; Joel Vikberg Wernström; Kasia Grzelak; Ane Myrvold; Hans Dybvik; Vanessa Pitusi; Andreas Altenburger

doi:10.7557/7.8104

Authors

Sanne Bergman UiT The Arctic University of Norway https://orcid.org/0000-0002-1055-8505
Fredrik Broms UiT The Arctic University of Norway https://orcid.org/0000-0002-5742-4993
Katharina Kniesz Leibniz-Institute for Baltic Sea Research https://orcid.org/0000-0003-0697-5418
María Herranz Rey Juan Carlos University https://orcid.org/0000-0002-3020-6072
Joel Vikberg Wernström UiT The Arctic University of Norway https://orcid.org/0000-0003-2902-7664
Kasia Grzelak Institute of Oceanology, Polish Academy of Sciences https://orcid.org/0000-0002-8175-575X
Ane Myrvold UiT The Arctic University of Norway
Hans Dybvik UiT The Arctic University of Norway
Vanessa Pitusi UiT The Arctic University of Norway,UiT The Arctic University Museum of Norway https://orcid.org/0000-0003-0761-2280
Andreas Altenburger UiT The Arctic University of Norway,UiT The Arctic University Museum of Norway https://orcid.org/0000-0001-5258-8043

DOI:

https://doi.org/10.7557/7.8104

Keywords:

Cruise report, Scalidophora of Norway, Benthic fauna, Arctic marine biodiversity, sedaDNA, eDNA, R/V Helmer Hanssen

Abstract

R/V Helmer Hanssen is a multipurpose research vessel owned by UiT The Arctic University of Norway. The cruise ‘HHUMTKT25’ was organized and executed by The Arctic University Museum of Norway (units ‘UM’ and ‘UMAK’ at UiT). The six participating projects in this cruise were (1) Scalidophora of Norway, (2) Microfauna and macrofauna in Northern Norway, (3) Reconstruction of past ecosystems using sedimentary ancient DNA, (4) ArKoBi studying the population connectivity of Arctica islandica in Northern Norway, (5) DragonNest studying population genetics and distribution patterns of Kinorhyncha in the Arctic region and (6) NUDIST studying biogeography and taxonomy of nudibranchs in northern Norway and the Arctic. Projects (1) ‘Scalidophora of Norway’ and (5) DragonNest aimed at sampling scalidophoran fauna in Northern Norway, primarily the phylum Kinorhyncha, using a box corer. Projects (2), (4) and (6) relied on a triangular dredge to obtain specimens, and project (3) utilized a gravity corer to capture a 5-m long sediment core. The cruise leader was Andreas Altenburger (UiT).

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References

Broms F, Kniesz K, Wernström J V, Pitusi V, Bergman S, Herranz M, Grzelak K, Altenburger A. (2025). Species recorded during the HHUMTKT25 cruise on R/V Helmer Hanssen from April 16 to April 21, 2025, in Northern Norway. UiT The Arctic University of Norway. https://doi.org/10.15468/gytcem.

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