Search for dissertations about: "Gulf of Bothnia"

Showing result 1 - 5 of 23 swedish dissertations containing the words Gulf of Bothnia.

  1. 1. A statistical model for fish stock assessment in the Gulf of Bothnia

    University dissertation from Göteborg : Chalmers University of Technology

    Author : Ann-Charlotte Hallberg; Göteborgs universitet.; Gothenburg University.; [1998]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : .... READ MORE

  2. 2. Regulation of carbon dioxide emission from Swedish boreal lakes and the Gulf of Bothnia

    University dissertation from Umeå universitet

    Author : Grete Algesten; Umeå universitet.; [2005]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physical geography and sedimentology; lakes; boreal; Gulf of bothnia; CO2; NEE; DOC; mineralization; sediment; catchment; net heterotrophy; Naturgeografi och sedimentologi; NATURAL SCIENCES Earth sciences Exogenous earth sciences Physical geography; NATURVETENSKAP Geovetenskap Exogen geovetenskap Naturgeografi; naturgeografi; Physical Geography;

    Abstract : The global carbon cycle is subject to intense research, where sources and sinks for greenhouse gases, carbon dioxide in particular, are estimated for various systems and biomes. Lakes have previously been neglected in carbon balance estimations, but have recently been recognized to be significant net sources of CO2. READ MORE

  3. 3. Benthic diatoms in the Gulf of Bothnia Community analysis and diversity

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Svenja Busse; Uppsala universitet.; [2002]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecology; Baltic Sea; Biodiversity; Biomass; Community ecology; Diatoms; Multivariate analysis; Navicula; Phytobenthos; Salinity gradient; Scale; Size; Water movement; Ekologi; NATURAL SCIENCES Biology Terrestrial; freshwater and marine ecology; NATURVETENSKAP Biologi Terrestisk; limnisk och marin ekologi; Ecological Botany; Ekologisk botanik;

    Abstract : Benthic diatoms are valuable tools for biological monitoring and paleo-ecological reconstruction of past environmental conditions. This thesis aims at describing size-related properties of benthic diatoms and suggests that data assessment for community analysis can be improved by considering the importance of scale. READ MORE

  4. 4. Assessment of dietary patterns and prey consumption of marine mammals: Grey seals (Halichoerus grypus) in the Baltic Sea

    University dissertation from Göteborg : University of Gothenburg

    Author : Karl Lundström; Göteborgs universitet.; Gothenburg University.; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; grey seal; Halichoerus grypus; Baltic Sea; diet; predation; fish; consumption; fatty acid signature analysis; bioenergetics; foraging ecology;

    Abstract : The Baltic Sea has been severely affected by pollution and resource overexploitation during the last centuries. The grey seal (Halichoerus grypus) is a good example of how a species can be affected by such changes. READ MORE

  5. 5. The ecology of the plankton fauna in the Gulf of Bothnia

    University dissertation from Umeå : Umeå universitet

    Author : Olof Sandström; Umeå universitet.; [1980]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Zooplankton; ecology; the Baltic; selective predation production biology; patchiness;

    Abstract : The geographical distribution of the Gulf of Bothnia zooplankton species is presented together with observations of abundancies and vertical distributions. The historical development of this plankton community in the last 70 years is discussed.Spring and summer development of the plankton fauna was studiedin the Bothnian Bay. READ MORE