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Clupeids and stickleback biomass, fishery landings, and hydrographic variables from the Baltic Sea

https://doi.org/10.5878/ka8r-8e34
Description of the data and file structure: data on fish biomass, fishery landings and hydrographic variables from the Baltic Sea. The data were used to explore the relationships between clupeids and three-spined stickleback, specifically whether reduced predation from herring and competition from both sprat and herring may have contributed to the recent increase of three-spined stickleback in the Baltic Sea. The data is structured in six separate datasets. Each record report values of fish biomass or abiotic variables related to a specific ICES statistical rectangle (ca. 55 × 55 km size, corresponding to 0.5 degrees in latitude × 1 degree in longitude) and a specific year. The datasets can be merged using the field "year" and "ICES". The files have the following dimensions: ICES_Hydrographic_data_by_year.csv, 4465 rows × 20 columns; herring_biomass.csv, 2056 rows × 5 columns; landings_herring.csv, 2867 rows × 3 columns; landings_sprat.csv, 2108 rows × 3 columns; sprat_biomass.csv, 2042 rows × 4 columns; stic
Download data and documentation (7 files / 564.84 KiB)

Data files

  • herring_biomass.csv
    79.76 KiB
  • ICES_Hydrographic_data.csv
    317.62 KiB
  • landings_herring.csv
    51.21 KiB
  • landings_sprat.csv
    37.52 KiB
  • sprat_biomass.csv
    45.13 KiB
  • stickleback_biomass.csv
    24.31 KiB

Documentation files

  • README.txt
    9.29 KiB

Citation and access

Data access level:

Creator/Principal investigator(s):

Research principal:

Principal's reference number:

  • SLU.aqua.2024.5.4-181

Data contains personal data:

No

Citation:

License:

Language:

Method and outcome

Time period(s) investigated:

Data format/data structure:

Species and taxons:

Data collection Kompilering/Syntes

Mode of collection:

Kompilering/Syntes

Description of the mode of collection:

The data on fish biomasses were collected via hydroacustic surveys, coupled with information on species and size distributions from trawl hauls. Commercial landings of herring and sprat expressed as tons per ICES rectangle were provided by the Scientific, Technical and Economic Committee for Fisheries (STECF, https://stecf.jrc.ec.europa.eu/dd/effort/graphs-quarter) for the years 2003–2015, and by the Joint Research Centre (JRC, https://jeodpp.jrc.ec.europa.eu/ftp/jrc-opendata/FAD/fdi2020/) for the years 2016–2019. Data on water temperature, salinity and nutrient concentrations for the period 2001–2019 for each ICES rectangle were extracted from Copernicus Marine Service Information. The nutrient concentration data were produced using the biogeochemical model ERGOM one-way online-coupled with the ice-ocean model system NEMO (doi.org/10.48670/moi-00012). The salinity and temperature data were produced by DMI (Danmarks Meteorologiske Institut) using NEMO (doi.org/10.48670/moi-00013). All analyses were conducted in R Statistical Software version 4.2.0 (R Development Core Team 2020). We used the mgcv package (version 1.8-40) for specifying, fitting, and visualising the GAMs (Wood 2011), and the nlme package (version 3.1-162) for fitting generalized least square models (Pinhero et al. 2016).

Time period(s) for data collection:

2001 - 2019

Data collector:

Source of the data:

  • Register/handlingar/förteckningar

Temporal resolution:

1 år

Spatial resolution:

55 kilometer scale

Geographic coverage

Geographic location:

Geographic description:

ICES subdivisions (SD) 25 - 30 in the Baltic Sea. SD 30 corresponds to the Bothnian Sea and SD 25–29 to the Central Baltic Sea.

Administrative information

Responsible department/unit:

Department of Aquatic Resources

Contributor(s):

Funding

Funding agency:

Award number:

2019-00310

Award title:

project Spiggvågen

Funding agency:

Award number:

2023-00297

Award title:

project FORCE

Funding agency:

Award number:

1049-20

Topic and keywords

Standard för svensk indelning av forskningsämnen 2025:

INSPIRE topic categories:

Keywords:

Relations

Homepage:

Är härledd från:

STECF & Common Fisheries PolicyOpens in a new tab

Sammanställd av:

Spatial effort and landings data collected in the context of the 2020 DCF Fisheries Dependent Information (FDI) data callOpens in a new tab

Sammanställd av:

ICES acoustic trawl surveysOpens in a new tab

Publications

Citation:

Serena Donadi, Agnes Olin, Michele Casini, Johan Eklöf, Mårten Erlandsson, Ronny Fredriksson, Olavi Kaljuste, Niklas Larson, Jonas Nilsson, Ulf Bergström, Reduced predation and competition from herring may have contributed to the increase of three-spined stickleback in the Baltic Sea, ICES Journal of Marine Science, 2024; fsae168, https://doi.org/10.1093/icesjms/fsae168Opens in a new tab

Contact

Metadata

Version 1
doris
slu
Published:|Updated: