Sökning: "Fishery"

Visar resultat 1 - 5 av 74 avhandlingar innehållade ordet Fishery.

  1. 1. Essays on Economics of Natural Resource Management and Experiments

    Författare :Wisdom Akpalu; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Optimal taxation; Efficiency; Externality; Dynamic analysis; Firm behaviour; Fishery; Regulatory compliance; Common pool resources; Experiment; Ostracism; Contribution norm; Public goods; Ghana;

    Sammanfattning : This thesis has five self-contained essays. The titles and the abstracts of the various essays are as follows. Paper 1: Natural Resource use Conflict: Gold Mining in Tropical Rainforest in Ghana: Gold is frequently mined in rainforests that can provide either gold or forest benefits, but not both. LÄS MER

  3. 2. Interventions for safe and healthy work

    Författare :Mats Eklöf; Göteborgs universitet; []
    Nyckelord :Ergonomics; feedback; fishery; intervention; occupational injury; participatory; psychosocial factors; risk perception; safety attitudes; VDU-work;

    Sammanfattning : The general aim of this thesis was to contribute to the research-based knowledge about associations 1) between individual psychological and social factors, respectively, and activity in safety work; 2) between general characteristics of working-environment change processes, on the one hand, and working environment characteristics, and health-related symptoms, on the other; 3) between working life interventions and activity to modify the working environment, working environment characteristics, and health-related symptoms.Associations between psychological and social factors, respectively, and activity in safety work were explored in a questionnarie study among Swedish fishermen. LÄS MER

  4. 3. Assessment and reduction of the conflicts between commercial fisheries and grey seals (Halichoerus grypus) in Swedish waters

    Författare :Arne Fjälling; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; conflict; fishery; grey seal; mitigate; predation; salmon; trap; konflikt; fiskeri; gråsäl; skadeförebyggande; predation; lax; fälla;

    Sammanfattning : Along with the recovery of the Baltic Sea grey seal population from very low figures in the late 1970 's, there were clear signs of a rapidly increasing conflict between grey seals and fisheries. The set trap fisheries for salmonids seemed to be suffering the worst, but such data as were available were bard to evaluate. LÄS MER

  5. 4. Fisheries management in an ecological context : examples from the Baltic Sea

    Författare :Olle Hjerne; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fishery resources; fishery policies; overfishing; ecology; limanda; dabs; flounders; cod; baltic sea; Fiske; Östersjön;

    Sammanfattning : .... LÄS MER

  7. 5. Some Aspects of Resource and Behavioral Economics

    Författare :Daniel Spiro; John Hassler; Sjak Smulders; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Exhaustible Resources; Finite Horizon; Renewable Resources; Forestry; Fishery; Trade; Variety; Social Norms; Conformity; Preference Formation; Economics; nationalekonomi;

    Sammanfattning : This thesis consists of four essays in resource and behavioral economics.Resource Extraction, Capital Accumulation and Time HorizonThe paper shows that relaxing the standard infinite horizon assumption can explain the patterns of exhaustible resource extraction and prices for the last century. LÄS MER