Identification of Diplostomum spp. in the retina of perch Perca fluviatilis and the lens of roach Rutilus rutilus from the Baltic Sea — an experimental study

1982 ◽  
Vol 21 (1) ◽  
pp. 1-19 ◽  
Author(s):  
Johan Höglund ◽  
Jan Thulin
Keyword(s):  
Experimental Study ◽  
Baltic Sea ◽  
Perca Fluviatilis ◽  
Rutilus Rutilus ◽  
The Baltic Sea ◽  
Roach Rutilus Rutilus ◽  
Perch Perca Fluviatilis ◽  
The Baltic

scholarly journals Adult female European perch (Perca fluviatilis) from the Baltic Sea show no evidence of thiamine deficiency

2021 ◽  
pp. 102081
Author(s):  
Johan Gustafsson ◽  
Karin Ström ◽  
Linus Arvstrand ◽  
Lars Förlin ◽  
Lillemor Asplund ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Adult Female ◽  
Thiamine Deficiency ◽  
Perca Fluviatilis ◽  
The Baltic Sea ◽  
European Perch ◽  
Perch Perca Fluviatilis ◽  
The Baltic

Do cormorant colonies affect local fish communities in the Baltic Sea?

2012 ◽  
Vol 69 (6) ◽  
pp. 1047-1055 ◽  
Author(s):  
Örjan Östman ◽  
Mikaela Bergenius ◽  
Maria Kristina Boström ◽  
Sven-Gunnar Lunneryd
Keyword(s):  
Baltic Sea ◽  
Colony Size ◽  
Fish Communities ◽  
Perca Fluviatilis ◽  
Great Cormorant ◽  
Phalacrocorax Carbo ◽  
The Baltic Sea ◽  
Management Actions ◽  
Perch Perca Fluviatilis ◽  
The Baltic

The effects that cormorants have on fish communities have been debated, yet few studies have used the necessary controls and replications to make valid and general assessments. Using both a paired design and time series analysis, we studied associations between colony size of the great cormorant ( Phalacrocorax carbo sinesis ) in the Baltic Sea and local fish community composition. Overall, colony size showed few associations with local fish communities. Most evident was a negative association between colony size and perch ( Perca fluviatilis ) abundances in some areas. But for other species, results were nonsignificant or variable among areas. The Baltic Sea cormorant population has increased over the last decades, and our results suggest that management actions to reduce local cormorant colonies may have a positive effect on local perch abundance. Otherwise, our results predict colony reductions to either have variable or weak effects on adjacent local fish communities.

Complex phylogeographic relationships among the Eurasian perch (Perca fluviatilis) populations in the eastern part of the Baltic Sea Region

Hydrobiologia ◽  
2019 ◽  
Vol 847 (3) ◽  
pp. 925-938
Author(s):  
Adomas Ragauskas ◽  
Dalius Butkauskas ◽  
Petras Prakas ◽  
Karolina Gadliauskienė ◽  
Helen Gajduchenko ◽  
...  
Keyword(s):  
Baltic Sea ◽  
Perca Fluviatilis ◽  
The Baltic Sea ◽  
Eurasian Perch ◽  
Perch Perca Fluviatilis ◽  
Baltic Sea Region ◽  
The Baltic
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