Essays about: "crucian carp"

Found 4 essays containing the words crucian carp.

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. Direct hollow fibre liquid phase membrane extraction and LC-MS determination of selective serotonin reuptake inhibitors in fish tissue

   University essay from Lunds universitet/Kemiska institutionen

   Author : Henrik Engström; [2013]
   Keywords : HF-LPME; LC-MS; SSRI; selective; fish; analytical chemistry; analytisk kemi; Chemistry;

   Abstract : Selective serotonin reuptake inhibitors (SSRIs) have been found in waste water treatment plant effluents and surface water at detectable concentrations. Although the medical effects and side effects of pharmaceuticals and personal care products are investigated through safety and toxicology studies the potential environmental impacts are less studied, and information concerning ecotoxicological risks and the distribution in sludge, surface water and water living organisms is rather scarce. READ MORE

5. 4. The effects of water chemistry on fish species distribution : a comparison between isolated and connected lakes in northern Sweden

   University essay from SLU/Dept. of Forest Ecology and Management

   Author : Johanna Öhman; [2004]
   Keywords : fish; water chemistry; isolation; anoxia; dissolved oxygen; DO; acidity; pH; pike; perch; roach; crucian carp; stickleback; bream; bleak; ide; ruffe; Västerbotten; northern Sweden; ice; winter; lake;

   Abstract : The correlation between water chemistry and fish species distribution was examined in forty small, coastal lakes in northern Sweden. Lakes were fished in summer and water chemistry sampled mainly in late winter. Twenty out of the forty lakes were isolated from other water bodies and twenty had a direct connection to the sea. READ MORE