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Found 4 essays matching the above criteria.

  1. 1. A parasitic bivalve affects the interaction between a native and an invasive salmonid

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Brander Isac; [2023-04-18]
    Keywords : Glochidia larvae; Infestation class; General dominance behavior; Dominant subordinate; Strikes;

    Abstract : The glochidia larvae of the freshwater pear mussel parasitize on juvenile brown trout during their maturation into tiny mussels. The parasitation has several negative impacts on the trout, one of the less studied being behavioral effects. READ MORE

  3. 2. Interspecific and intraspecific competitive interactions in Brook charr, Salvelinus fontinalis, and Brown trout, Salmo trutta

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Andreas Malmros; [2006]
    Keywords : interaction; brook charr; brown trout; yoy; agression; growth; competition; density;

    Abstract : A large-scale field enclosure experiment was conducted to examine the contradicting information about the competitive interactions between YOY brown trout and YOY brook charr. Interactions that is supposed to be based on aggression and growth capacity. READ MORE

  4. 3. Invasiveness of brook charr (Salvelinus fontinalis) in small boreal headwater streams

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Lars Björkelid; [2004]
    Keywords : brook charr; brook trout; invasion; non-native; introduced;

    Abstract : Invasion of the introduced North American species brook charr (Salvelinus fontinalis) is believed to threaten the native aquatic fauna in Swedish streams and lakes. Although introductions have been made since 1892 and the species is widely spread in the country, little is known about invasion dynamics and patterns. READ MORE

  5. 4. Life history and large-scale habitat use of brown trout (Salmo trutta) and brook trout (Salvelinus fontinalis) : implications for distributional patterns in small lotic systems

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Gunnar Öhlund; [2002]
    Keywords : brown trout; brook trout; interspecific competition; life history; fitness; allopatric; sympatric; salmonid;

    Abstract : Over the years, several salmonid species have been widely spread and successfully introduced all over the world. In Sweden, introduced brook trout (Salvelinus fontinalis) has been successful in establishing a substantial number of new populations, a fact that has raised concerns about indigenous brown trout (Salmo trutta) populations being outcompeted. READ MORE