Essays about: "wild fish"

Showing result 26 - 30 of 90 essays containing the words wild fish.

  1. 26. Den vuxna laxens migration i Vindelälvens laxtrappa

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Camilla Blomdahl; Jeanette Jonsson; [2020]
    Keywords : laxtrappa; Salmo salar; uppströmsmigration; Vindelälven; laxmigration;

    Abstract : Lax, Salmo salar, har en anadrom livscykel. Den spenderar delar av sitt liv ute i saltvatten i havet innan den simmar tillbaka till sitt söta hemvatten för lek. För en del laxar blockeras de naturliga vandringsvägarna till lekplatsen av vattenkraftverk. Konstgjorda laxtrappor byggs ibland för att underlätta vandringen. READ MORE

  3. 27. The direct and indirect relation between ungulates on small mammals

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Michael Wentzel; [2020]
    Keywords : small mammals; ungulates; vegetation cover; food competition; path analysis; direct; indirect; canopy cover; Sweden;

    Abstract : Ungulates are increasing in Europe, including Sweden and can cause changes to forest structure and forest-dwelling animals. This study is focused on the relation between various ungulate species and small mammal abundance in Swedish forests, through the alteration of ground vegetation cover and directly through food competition. READ MORE

  4. 28. Attitudes towards local carnivores in Umeå, Sweden : investigating species and individual effects on attitudes towards Carnivores in the confines of a local community

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Lina Leksell; [2020]
    Keywords : carnivore attitudes; nature attitudes; animal ecology; conservation biology; citizen science;

    Abstract : The expanding human population is leading to increases in urbanisation and changing land-use. The space between wildlife and humans is diminishing as wildlife adapts to environmental changes caused by urbanisation. With an increasing number of species moving into an urban environment we see increasing encounters between humans and wildlife. READ MORE

  5. 29. Applying automatic operant boxes (“Skinner boxes”) for studies on behavioural flexibility in zebrafish (Danio rerio) 

    University essay from Uppsala universitet/Winberg: Beteendeneuroendokrinologi

    Author : Saida Adan; [2020]
    Keywords : ;

    Abstract : The most successful and widely used animal models in neuroscience are rats and mice, which has been vital for the understanding of the human brain. Another model that has become more prominent during recent years is the zebrafish (Danio rerio). READ MORE

  6. 30. Epidemiological aspects of infectious salmon anemia

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Karl Mård; [2019]
    Keywords : Infektiös laxanemi; ILA; epidemiologi;

    Abstract : Infectious salmon anemia is an orthomyxyviral disease posing a serious challenge to the aquaculture of atlantic salmon (Salmo salar). The virus causes severe disease resulting in high moratlity and significant costs to the industry. READ MORE