Gammarus
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- Biology
- Taxonomy
- Occurrence
- Specimen
Yes
Publication of occurrence
- Silfverberg, Hans 1999. A provisional list of Finnish Crustacea. Memoranda Societatis pro Fauna et Flora Fennica 75, 15-37.
Observations in Finland
The map represents observations of this taxon, but it may not be used as a distribution map.
squares
Observations
- Total squares
GBIF
The map represents observations of this taxon, but it may not be used as a distribution map.
Distribution by biogeographical provinces according to expert evaluation
Distribution
Distribution in Finland
Itämeren leväkatkalajien esiintyminen vaihtelee suolapitoisuuden suhteen. Esimerkiksi G. locusta vaatii yli 5 ‰ suolapitoisuutta.
Sisävesilajeista G. lacustris on yleinen koko maassa. G. pulexi -lajia tavataan Etelä-Suomessa.
Origin and general distribution
G. tigrinus on vieraslaji Pohjois-Amerikasta.
Author
Observations per month in Finland
Observations per year in Finland
The chart shows temporal distribution of the observations, which is not the same as population increase/decrease.
Habitat
The following biotope data have been recorded for observations of this taxa
Record type
Datasets and collections