Search for dissertations about: "trophic interactions"

Showing result 1 - 5 of 65 swedish dissertations containing the words trophic interactions.

  1. 1. Trophic interactions and behaviour Studies relevant to a Baltic Sea biomanipulation

    University dissertation from Stockholm : Department of Systems Ecology, Stockholm University

    Author : Per B. Holliland; Stockholms universitet.; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; zooplankton; non-indigenous species; selectivity; food web; rearing environment; fish stocking; Sander lucioperca; diel vertical migration; ontogeny; ovigerous; marin ekologi; Marine Ecology;

    Abstract : The main theme of this thesis is the interactions of animals with the environment and each other. The thesis was written within the framework of a biomanipulation project “Pikeperch in Himmerfjärden”. READ MORE

  2. 2. The effects of crayfish on interactions in freshwater benthic communities

    University dissertation from Ecology Building, 223 62 Lund, Sweden

    Author : Per Nyström; Lunds universitet.; Lund University.; [1999]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; exotic species; trophic cascades; omnivory; crayfish; Trophic interactions; freshwater; Hydrobiology; marine biology; aquatic ecology; limnology; Marinbiologi; limnologi; akvatisk ekologi;

    Abstract : Popular Abstract in Swedish Kräftors påverkan på födovävar i dammar och sjöar.... READ MORE

  3. 3. The role of young-of-the-year fish in lake ecosystems

    University dissertation from Limnology, Department of Ecology, Lund University

    Author : Pia Romare; Lunds universitet.; Lund University.; [2001]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Hydrobiology; Rutilus rutilus; Perca fluviatilis; diet-dependent growth; density dependent growth; behavioural cascade; 0 fish behaviour; horizontal echo sounding; biomanipulation; trophic cascade; predation pressure; young-of-the-year fish; trophic interactions; marine biology; aquatic ecology; limnology; Marinbiologi; limnologi; akvatisk ekologi; Ecology; Ekologi;

    Abstract : Popular Abstract in Swedish Min avhandling handlar om vilken roll fiskyngel har i samspelet mellan olika organismer i våra sjöar, såsom i samspelet mellan rovfiskar, djurplanktonätande fiskar, djurplankton och alger. Fisklarver och fiskyngel förekommer i stora mängder i våra sjöar under sommaren. Varje vår/sommar kläcks nya kullar av bl. READ MORE

  4. 4. The effect of temperature on trophic interactions

    University dissertation from Limnology, Department of Ecology, Lund University

    Author : Ida Kollberg; Sveriges lantbruksuniversitet.; [2013]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Increase in temperature related to climate change will have consequences on the performance of organisms. Insects could be expected to respond more than other organism groups because they are ectotherms. READ MORE

  5. 5. Nutrient Stoichiometry in Benthic Food Webs – Interactions Between Algae, Herbivores and Fish

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Antonia Liess; Uppsala universitet.; [2006]
    Keywords : Ecology; ecologial stoichiometry; periphyton; grazer; benthos; trophic interactions; nutrient; algae; Ekologi;

    Abstract : The aim of this thesis was to identify general structuring mechanisms in benthic food webs within the framework of ecological stoichiometry theory. Ecological stoichiometry is defined as the balance of multiple chemical substances in ecological interactions and explicitly considers the combined dynamics of key elements such as carbon (C), nitrogen (N) and phosphorus (P). READ MORE