Sökning: "recreational angling"

Hittade 4 avhandlingar innehållade orden recreational angling.

  1. 1. The spawning salmon as a resource by recreational use : the case of the wild Baltic salmon and conditions for angling in north Swedish rivers

    Författare :Håkan Appelblad; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Baltic salmon; Wild salmon; Angling; Fishing tourists; Natural resource; Upper Norrland; Sweden; Social and Economic Geography; kulturgeografi;

    Sammanfattning : The aim of the thesis is to analyse the preconditions for increasedsalmon angling in the remaining wild salmon rivers in Upper Norrland in northernSweden, as well as to evaluate the present and possible future impacts on the localeconomy. It includes the identification of the internal and external conditions, in what ishere called the Salmon Utilisation Landscape, that influence the present use as well asfuture development of the Baltic salmon as a resource in angling. LÄS MER

  3. 2. Local adaptation in life history traits and population size estimation of aquatic organisms

    Författare :Konrad Karlsson; Monika Winder; Johan Ehrlén; Juha Merilä; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; local adaptation; intraspecific variation; niche partitioning; life history; global warming; recreational angling; spatial capture–recapture; Marine Ecology; marin ekologi;

    Sammanfattning : Human society is dependent on healthy aquatic ecosystems for our basic needs and well-being. Therefore, knowledge about how organisms respond and interact with their environments is pivotal. LÄS MER

  4. 3. Mixing Oil and Water : Studies of the Namibian Economy

    Författare :Jesper Stage; Karl-Gustaf Löfgren; Anders Danielson; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Namibia; energy use; structural decomposition analysis; hedonic pricing; townships; groundwater use; fisheries; bioeconomic modelling; Nationalekonomi; Economics; Nationalekonomi; Economics; nationalekonomi;

    Sammanfattning : This thesis consists of four papers studying economic aspects of natural resource and environmental management in Namibia.Paper [I] analyses changes in Namibian energy use patterns between 1980 and 1998. LÄS MER

  5. 4. Essays on Malnutrition, Savings and Preferences

    Författare :Tharshini Thangavelu; Jesper Stage; Runar Brännlund; Wisdom Akpalu; Luleå tekniska universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Nationalekonomi;

    Sammanfattning : This thesis consists of an introductory part and four self-contained papers addressing three different topics in economics, namely preferences, savings and malnutrition. In Paper I, an instrumental variable approach was employed to analyse how malnutrition affects children’s psychosocial abilities. LÄS MER