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Scientific name
Unio pictorum (Linnaeus, 1758)
German name
Malermuschel
Group of organisms
Gastropoda & Bivalvia
Red List Category
Near Threatened
Responsibility of Germany
General responsibility
Current population status
moderately common
Long-term population trend
strong decline
Short-term population trend
clear increase
Special cases
Negative risk factor(s) is/are known
Risk factors
Increasing direct impacts, e. g. construction projects
Increasing indirect impacts, e. g. deterioration of habitat quality
Recolonisation after loss of habitats is significantly impeded
Previous Red List Category
Threatened
Change of category compared to previous Red List
Current improvement of Red List Category
Status
Indigenes or Archaeobiota
Source

Jungbluth, J.H. & Knorre, D. von (2011): Rote Liste und Gesamtartenliste der Binnenmollusken (Schnecken und Muscheln; Gastropoda et Bivalvia) Deutschlands. – In: Binot-Hafke, M.; Balzer, S.; Becker, N.; Gruttke, H.; Haupt, H.; Hofbauer, N.; Ludwig, G.; Matzke-Hajek, G. & Strauch, M. (Red.): Rote Liste gefährdeter Tiere, Pflanzen und Pilze Deutschlands, Band 3: Wirbellose Tiere (Teil 1). – Münster (Landwirtschaftsverlag). – Naturschutz und Biologische Vielfalt 70 (3): 647-708.