Description
This data is analysed under a microscope from water samples collected at the Isfjorden-Adventfjorden (ISA) time series station in Svalbard from 2011-14. It ranges from weekly to bi-monthly to monthly data at various different depths from the water column. The samples are generally preserved in Glutaraldehyde stained with Lugol (GLA-Lugol) and stored in a cooling room. The organisms are counted per cubic meter until the species level wherever possible.
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 405 records.
2 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.
This IPT archives the data and thus serves as the data repository. The data and resource metadata are available for download in the downloads section. The versions table lists other versions of the resource that have been made publicly available and allows tracking changes made to the resource over time.
Versions
The table below shows only published versions of the resource that are publicly accessible.
How to cite
Researchers should cite this work as follows:
Chitkara C (2024): Protist microscopy data from the ISA timeseries station on Svalbard 2011-14. v1.0. GBIF.no. Dataset/Samplingevent. https://ipttest.hi.no/resource?r=eukarya_isa_timeseries&v=1.0
Rights
Researchers should respect the following rights statement:
The publisher and rights holder of this work is GBIF.no. This work is licensed under a Creative Commons Attribution (CC-BY 4.0) License.
GBIF Registration
This resource has not been registered with GBIF
Keywords
Timseries; Eukaryotes; Protists; Countdata; Svalbard; Microscopy
Contacts
- Content Provider ●
- Metadata Provider
https://orcid.org/https://orcid.org/0009-0004-8429-2326
- Content Provider ●
- Metadata Provider
- Content Provider
- Point Of Contact ●
- Principal Investigator
- Originator
- Content Provider
- Content Provider
Geographic Coverage
The data is collected from a single point with latitude - 78.26115N and longitude - 15.5337E.
| Bounding Coordinates | South West [-90, -180], North East [90, 180] |
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Taxonomic Coverage
N/A
| Class | Katablepharidaceae, Prymnesiophyceae, Cryptophyceae, Cysts, Flagellate non det., Dinophyceae, Bacillariophyceae, Prasinophyceae, Ciliophora |
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Temporal Coverage
| Start Date / End Date | 2012-01-17 / 2014-10-24 |
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Sampling Methods
Nisking bottles were used to collect sea water samples for microscopy data, which were later fixed with Glutaraldehye-lugol and refrigerated at UNIS, Svalbard. Samples were collected from various depths 5,15,25,60m for all three years.
| Study Extent | The sampling was conducted once every week in 2012 followed by once every two weeks in 2013 and once every month in 2014 at the IsA timeseries station in Svalbard. |
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Method step description:
- Stored and fixed samples were then sent to IOPAN for microscopic analysis. Samples were prepared according to Utermohl method. 50 ml of the pelagic subsamle was sedimented in 50 ml cylinder attached to the utermohhl base plate for 24 hrs. This was kept in a cool, shaded place (to avoid convections). The sample was then analyzed by counting cells in the microscope's fields of view in transects through the bottom of the chamber. 50 dominant cell taxa were counted. At 100x magnification, transects usually covered most of the slide area and at 400 or 600x, counts were made in three transects (1 crossing middle and 2 on the sides of the chamber). The abundance was calculated taking into account the number of cells counted, the so-called chamber factor (the ratio of the field of view to the chamber area) the volume of the subsample used for sedimentation and the number of fields of view.
Bibliographic Citations
- Dąbrowska, A. M., Wiktor, J. M., Wiktor, J. M., Kristiansen, S., Vader, A., & Gabrielsen, T. (2021). When a Year Is Not Enough: Further Study of the Seasonality of Planktonic Protist Communities Structure in an Ice-Free High Arctic Fjord (Adventfjorden, West Spitsbergen). Water, 13(14), Article 14. https://doi.org/10.3390/w13141990
- Kubiszyn, A. M., Wiktor, J. M., Wiktor, J. M., Griffiths, C., Kristiansen, S., & Gabrielsen, T. M. (2017). The annual planktonic protist community structure in an ice-free high Arctic fjord (Adventfjorden, West Spitsbergen). Journal of Marine Systems, 169, 61–72. https://doi.org/10.1016/j.jmarsys.2017.01.013
- Chitkara, C., Juul-Pedersen, T., Krawczyk, D., Søreide, J. E., Vader, A., Gradinger, R., HS Winding, M., & Vonnahme, T. R. (2024). Seasonality in phytoplankton communities and production in three Arctic fjords across a climate gradient. Progress in Oceanography, 227, 103317. https://doi.org/10.1016/j.pocean.2024.103317
Additional Metadata
| Alternative Identifiers | https://ipttest.hi.no/resource?r=eukarya_isa_timeseries |
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