Sökning: "NATURVETENSKAP Biologi Terrestrisk"

Visar resultat 1 - 5 av 45 avhandlingar innehållade orden NATURVETENSKAP Biologi Terrestrisk.

  1. 1. Spatial Modelling of Coastal Fish – Methods and Applications

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Göran Sundblad; Uppsala universitet.; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; habitat; niche; species distribution modelling; juvenile; fish; larvae; spawning; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology Marine ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi Marin ekologi; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology Freshwater ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi Limnisk ekologi; NATURAL SCIENCES Biology; NATURVETENSKAP Biologi; Biology with specialization in Limnology; Biologi med inriktning mot limnologi; Biologi med inriktning mot zooekologi; Biology with specialization in Animal Ecology; Limnologi; Limnology;

    Sammanfattning : Environmental factors influence species and habitats on multiple scales creating a mosaic of distribution patterns. Studying factors shaping these patterns are central to our understanding of population dynamics and ultimately ecosystem functioning. LÄS MER

  2. 2. Anadromous Pike in the Baltic Sea

    Detta är en avhandling från Växjö, Kalmar : Linnaeus University Press

    Författare :Olof Engstedt; Linnéuniversitetet.; [2011]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology Marine ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi Marin ekologi; Natural Science; Naturvetenskap;

    Sammanfattning : The pike (Esox lucius) is a major predator and top-down regulator in the Baltic Sea where it exists in two sympatric forms. One spawn in streams and rivers and the other one spawn in the sea. During the last decades, the habitats for both of these forms have developed in a negative way. LÄS MER

  3. 3. Forest – stream linkages Brown trout (Salmo trutta) responses to woody debris, terrestrial invertebrates and light

    Detta är en avhandling från Karlstad : Karlstad University

    Författare :Pär Gustafsson; Karlstads universitet.; [2011]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Brown trout; growth; foraging; woody debris; terrestrial invertebrates; light; riparian zone; forestry; stream; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology Freshwater ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi Limnisk ekologi; Biology; Biologi;

    Sammanfattning : Forests surrounding streams affect aquatic communities in numerous ways, contributing to energy fluxes between terrestrial and lotic ecosystems. The five papers in this thesis focus on woody debris, terrestrial invertebrates and light, three factors influenced by riparian zone structure, potentially affecting streams and brown trout (Salmo trutta). LÄS MER

  4. 4. Relations between metabolic rate, migration and behaviour in Atlantic salmon (Salmo salar) and brown trout (Salmo trutta)

    Detta är en avhandling från Karlstad : Karlstad University

    Författare :Linnea Lans; Karlstads universitet.; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Atlantic salmon; brown trout; Standard metabolic rate; behaviour; migration; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology Ethology and behavioural ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi Etologi och beteendeekologi; Biology; Biologi;

    Sammanfattning :  ABSTRACT Migration is common among populations of brown trout (Salmo trutta) and Atlantic salmon (Salmo salar). However, not all individuals in the same population migrate, a phenomenon referred to as partial migration. LÄS MER

  5. 5. Ecology across Boundaries Food web coupling among and within ecosystems

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Pia Bartels; Uppsala universitet.; [2011]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; cross-ecosystem; food web; habitat coupling; terrestrial-aquatic linkages; subsidy; allochthonous; lake ecosystem; population divergence; trait variation; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology Freshwater ecology; NATURVETENSKAP Biologi Terrestrisk; limnisk och marin ekologi Limnisk ekologi; NATURAL SCIENCES Biology; NATURVETENSKAP Biologi; Biology with specialization in Limnology; Biologi med inriktning mot limnologi;

    Sammanfattning : Cross-boundary movements of energy and material are ubiquitous. Freshwater ecosystems receive nutrients, dissolved, and particulate organic matter from adjacent terrestrial ecosystems, whereas terrestrial ecosystems mainly receive prey organisms and detritus deposited by physical processes such as floods from freshwater ecosystems. LÄS MER