Downward flux of phytoplankton cells in East Greenland fjords, August 2022

Sampling event
Latest version published by UiT The Arctic University of Norway on Mar 15, 2024 UiT The Arctic University of Norway

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Bottom-moored short-term sediment trap arrays were deployed at 7 stations in three East Greenlandic fjords. The deployments were conducted in Dove Bay (1 station), Arden Caple fjord (3 stations) and Kong Oscar Fjord (3 stations) and lasted for 21.5-23.5 hours. After recovery, a subsample of 100 mL was collected from the sediment trap cylinders (KC Denmark, 72 mm inner diameter, aspect ratio: 6.25) deployed at the sampling depths 20, 30, 50, 90, and 120 (or 200) m. The samples were preserved with 2 mL acidic Lugol solution, stored cool (+4 C) and in darkness, until the microscopical analysis. From this field work, there are also other data available: 1) cruise track with a station list (,, 2) underway measurements (, 3) concentration of suspended chlorophyll a, phaeophytin, particulate organic carbon (POC), and particulate organic nitrogen (PON) (, 4) downward flux of chlorophyll a, phaeophytin, particulate organic carbon (POC), particulate organic nitrogen (PON), and the atomic ratio of POC:PON (, and 5) the phytoplankton community composition in the water column (

Data Records

The data in this sampling event resource has been published as a Darwin Core Archive (DwC-A), which is a standardized format for sharing biodiversity data as a set of one or more data tables. The core data table contains 35 records.

1 extension data tables also exist. An extension record supplies extra information about a core record. The number of records in each extension data table is illustrated below.

Event (core)

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How to cite

Researchers should cite this work as follows:

Svensen C, Dąbrowska A M, Wiedmann I (2024). Downward flux of phytoplankton cells in East Greenland fjords, August 2022. Version 1.1. UiT The Arctic University of Norway. Samplingevent dataset.


Researchers should respect the following rights statement:

The publisher and rights holder of this work is UiT The Arctic University of Norway. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 61137d30-c560-4309-b278-b2e5aebce92f.  UiT The Arctic University of Norway publishes this resource, and is itself registered in GBIF as a data publisher endorsed by GBIF Norway.


Samplingevent; Observation


Camilla Svensen
  • Metadata Provider
  • Originator
  • Point Of Contact
UiT The Arctic University of Norway
Anna Maria Dąbrowska
  • Originator
Institute of Oceanology of the Polish Academy of Sciences (IO PAN)
Ingrid Wiedmann
  • Metadata Provider
  • Originator
  • Processor
UiT The Arctic University of Norway

Geographic Coverage

Short-term sediment traps were deployed at 7 stations in three different fjords in East Greenland

Bounding Coordinates South West [72.1, -24.6], North East [76.7, -19.6]

Taxonomic Coverage


Kingdom Chromista, Plantae, Animalia, Protozoa
Phylum Haptophyta, Platyhelminthes, Myzozoa, Chlorophyta, Bacillariophyta, Ochrophyta, Cryptophyta, Ciliophora, NA
Class Monogenea, Dinophyceae, Chrysophyceae, Cryptophyceae, Pyramimonadophyceae, Chlorophyceae, Litostomatea, Coccolithophyceae, Oligotrichea, Bacillariophyceae, NA
Order Oligotrichida, Naviculales, Gonyaulacales, Chromulinales, Prorocentrales, Bacillariales, Chlamydomonadales, Gymnodiniales, Pyramimonadales, NA, Capsalidea, Prymnesiales, Peridiniales, Cyclotrichiida, Pennales, Surirellales, Pyrenomonadales, Choreotrichida
Family Chrysochromulinaceae, Gymnodiniaceae, Pyramimonadaceae, Entomoneidaceae, Naviculaceae, Codonellidae, Ascampbelliellidae, Gymnodiniales incertae sedis, Prorocentraceae, Pleurosigmataceae, Cladopyxidaceae, Mesodiniidae, Protoperidiniaceae, Chlamydomonadaceae, Geminigeraceae, Capsalidae, Strombidiidae, Dinobryaceae, NA, Bacillariaceae

Temporal Coverage

Start Date / End Date 2022-08-13 / 2022-08-24

Project Data

Data were collected as part of the project "Investigating ecosystem tipping points and cascades in the Arctic Seas" (ECOTIP). ECOTIP operates at the important link between the physical and biological systems, where a regional change in the hydrography of the Arctic Ocean might trigger a biological change at the base of the marine food web with cascading effects both on the regional and local socio-economic systems through fisheries, and on the global climate through carbon sequestration. ECOTIP is attempting to anticipate and predict these changes.

Funding This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 869383 .
Study Area Description East and West Greenland, Greenland Sea

The personnel involved in the project:

Camilla Svensen
Ingrid Wiedmann

Sampling Methods

Gimballed frames with 2-4 transparent plexiglass sediment trap cylinders were attached to the sediment trap array at 6 to 8 sampling depths. The trap cylinders were pre-filled with filtered sea water and a salinity of approximate 40 psu before deployment. After recovery of the sediment trap array, the water from the trap cylinders deployed at the same sampling depth was transferred in one carboy. From this carboy, a subsample of 100 mL was taken and preserved with 2 mL of acidic Lugol solution, and the sample was stored cool (+4 C) and in darkness until further analysis ashore.

Study Extent At each of the seven stations with a sediment trap deployment in East Greenland (1 station in Dove Bay, 3 stations in Kong Oscar Fjord, 3 stations in Arden Caple fjord), a bottom-moored short-term sediment trap array was deployed.

Method step description:

  1. The microscopic analysis was later conducted at the Institute of Oceanology of the Polish Academy of Sciences (IO PAN) in Sopot, Poland and the phytoplankton taxa were identified to the lowest possible taxonomic level.

Additional Metadata

Alternative Identifiers 61137d30-c560-4309-b278-b2e5aebce92f