Dataset

National ferrybox project - discrete sampling by IMWM

EurOBIS MeasurementOrFact Open in mapper Explore occurrences

Since 2008, discrete sampling twice a week in the vegetation period. Along the Southern Baltic - a transect from Gdynia (Poland) to Karlskrona (Sweden). Measurements of chlorophyll a, phytoplankton, hepatoxins.

Citation
Institute of Meteorology and Water Management - IMGW, Poland; (2016). National ferrybox project - discrete sampling by IMWM
Published
September 17, 2025 at 09:04
License
This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License
URL
http://ipt.vliz.be/eurobis/resource?r=polish_ferrybox_phytoplankton_data
Archive
https://ipt.vliz.be/eurobis/archive.do?r=polish_ferrybox_phytoplankton_data

Contacts

Institute of Meteorology and Water Management; Maritime Branch
Institute of Meteorology and Water Management; Maritime Branch

Wlodzimierz Krzyminski
Institute of Meteorology and Water Management; Maritime Branch

Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)

1,728
total submitted occurrences
1,010
accepted occurrences
10,306
measurements and facts
61
taxa
42
species

Taxa

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 1,728
100.0%
maximumDepthInMeters 1,728
100.0%
minimumDepthInMeters 1,728
100.0%
scientificNameID 260 435
40.2%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag Dropped Records
NO_DEPTH 1,728
100.0%
NO_MATCH 695
40.2%
WORMS_ANNOTATION_NO_BIOTA 260
15.0%
NO_ACCEPTED_NAME 102
5.9%
NOT_MARINE 23
1.3%
MARINE_UNSURE 14
0.8%

Measurement types

DNA derived data