Essays about: "Carassius carassius"

Found 3 essays containing the words Carassius carassius.

  1. 1. Changes in the fish community in Lake Tåkern, Sweden - a comparison between 1978-1979 and 2019

    University essay from Linköpings universitet/Biologi

    Author : Manfred Skog; [2020]
    Keywords : Fish community; Shallow lakes; Test-fishing; Establishment of species; Crucian carp; Bream; Winter hypoxia;

    Abstract : Climate changes alter species composition in both aquatic and terrestrial ecosystems. For establishment of species in a fish community, dispersal barriers, habitat structure and interactions between species act as a filter. READ MORE

  3. 2. Fish on drugs - an experimental study of crucian carp exposed to fluoxetine and a natural predator

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Jennie Örjes; [2015]
    Keywords : weight; sociability; boldness; predation; Esox lucius; Carassius carassius; pike; anti-depressant; fluoxetine; crucian carp; Earth and Environmental Sciences;

    Abstract : Organisms in the aquatic environment face the challenge of exposure to environmental pollution by a multitude of pharmaceuticals. However, the potential for disruptive effects in non-target aquatic organism remains poorly understood. READ MORE

  4. 3. Predator-induced morphological defences in a freshwater snail

    University essay from Institutionen för ekologi, miljö och geovetenskap

    Author : Annelie Lagesson; [2011]
    Keywords : ;

    Abstract : The ability of a certain genotype to express different phenotypes depending on variations in the environment is called phenotypic plasticity. Predator induced defences are among the most studied and wide spread examples of phenotypic plasticity. READ MORE