Macrozooplankton Metadata
Citation
Vesters F, Rød Husøy A, Thiis J, Næss Holm L, Fellows I (2024). Macrozooplankton Metadata. Version 1.0. The University Centre in Svalbard. Occurrence dataset. https://ipt.gbif.no/resource?r=ab-202_zooplankton_2024&v=1.0 https://doi.org/10.15468/dhfh3c accessed via GBIF.org on 2024-12-11.Description
This data was collected on the Helmer Hansen research cruise from 4/10-4/13/2024. The macrozooplankton samples were collected using a macrozooplankton net (1.55mm) in four locations along the west coast of Spitsbergen. The locations are Isfjorden (IsK), Konsfjorden (KB3), a seep site west of Magdalenefjorden, and a site within the marginal ice zone (MIZ) northwest of Spitsbergen.Sampling Description
Study Extent
The study occurred in two western Spitsbergen fjords (Isfjorden and Kongsfjorden), a seep site west of Magdalenefjorden, and a site in the marginal ice zone northwest of Spitsbergen.Sampling
The macrozooplankton was collected using a macrozooplankton net with a mesh size of 1.55mm. The net was trawled through the water at a speed around 1,5 knots for up to 35 minutes at a depth of 10-64m above the bottom. All individuals were counted and identified in the Isfjorden (IsK) sample and the seep site sample. Due to the large number of individuals in the Kongsfjorden (KB3) sample 1/2 of the total sample was analyzed and 1/8 of the total krill was counted and identified. In the marginal ice zone (MIZ) sample 1/2 of the krill was counted and identified and 1/8 of the Eukrohnia hamata was counted and identified. These numbers were then multiplied to estimate the total number of these species within the samples.Method steps
- A macrozooplankton net with a mesh size of 1.55mm was placed into the water with a depth sensor. The net was dropped until it reached 10-64m above the bottom to ensure the net did not contact the seafloor. The net was trawled from 11-35 minutes depending on the location. The liter volume entering the net was calculated for each of the four locations to determine the total flow into the net. The water was filtered out of the sample and the individuals were identified and counted. The length of krill and arrowworms was measured.
Taxonomic Coverages
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Chaetognatharank: phylum
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Arthropodarank: phylum
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Othersrank: phylum
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chaetognatharank: phylum
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Cnidariarank: phylum
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cnidariarank: phylum
Geographic Coverages
The sampling occurred in two fjords on the west coast of Spitsbergen (Isfjorden and Kongsfjorden), a seep site west of Magdalenefjorden, and the marginal ice zone northwest of Spitsbergen.
Bibliographic Citations
Contacts
Famke Vestersoriginator
position: Student
The Norwegian University of Life Sciences
Astri Rød Husøy
originator
position: Student
The University of Bergen
Jo Thiis
originator
position: Student
The Norwegian University of Life Sciences
Lovise Næss Holm
originator
position: Student
The University of Olso
Ingrid Fellows
originator
position: Student
The University of Portland
Vesters
originator
position: Student
The University Centre in Svalbard
Rød Husøy
originator
position: Student
The University Centre in Svalbard
Thiis
originator
position: Student
The University Centre in Svalbard
Næss Holm
originator
position: Student
The University Centre in Svalbard
Fellows
originator
position: Student
The University Centre in Svalbard
Arunima Sen
administrative point of contact
position: Associate Professor
The University Centre on Svalbard
NO
userId: https://orcid.org/0000-0001-7847-2137
Janne Søreide
administrative point of contact
position: Professor
The University Centre on Svalbard
NO
userId: https://orcid.org/0000-0002-6386-2471