Sökning: "European grayling"

Hittade 1 uppsats innehållade orden European grayling.

  1. 1. Influence of the habitat on the potential for cannibalism and population dynamics in stream-dwelling European grayling (Thymallus thymallus L.)

    Magister-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Carl-Johan Lindström; [2010]
    Nyckelord :cannibalism; European grayling; Thymallus thymallus; habitat mapping; Jämtland; population dynamics; recruitment; size structured population model; stream environment;

    Sammanfattning : Cannibalism can have major influence on fish population dynamics. A prerequisite for cannibalism is that the cannibal and the potential victim meet, and besides density effects, the encounter rate between cannibals and their victims is therefore also largely dependent on habitat use and habitat heterogeneity. LÄS MER