Search for dissertations about: "emergy"

Found 5 swedish dissertations containing the word emergy.

  1. 1. Colonised Coasts : Aquaculture and Emergy Flows in the World System: Cases from Sri Lanka and the Philippines

    Author : Daniel A. Bergquist; Lennart Strömquist; Clas Lindberg; Torbjörn Rydberg; Aida Aragao-Lagergren; Örjan Sjöberg; Uppsala universitet; []
    Keywords : Social and economic geography; Aquaculture; Capitalism; Socio-economic effects; Environmental effects; Benefit distribution; Sustainability; Sustainability assessment; Fairness; Development; Interdisciplinary; Transdisciplinary research; Geography; Emergy; World System Theory; General Systems Theory; Sustainable development; Sri Lanka; Philippines; Kulturgeografi;

    Abstract : This thesis conceives aquaculture as a transfer of resources within and between different parts of the world system. It is argued that due to inappropriate human-nature interactions, resources tend to flow from the South to the North, as a process of coastal colonisation. READ MORE

  2. 2. Biomass Potential for Heat, Electricity and Vehicle Fuel in Sweden

    Author : Peter Hagström; Bengt Hillring; Per Olov Nilsson; Leif Gustafsson; Paul Mitchell; Skogsmästarskolan Sveriges lantbruksuniversitet; []
    Keywords : AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; bioenergy potential; biomass potential; cost analysis; emergy; energy analysis; energy scenarios; systems analysis; thermochemical conversion; SRA - Energy; SRA - Energi;

    Abstract : The main objective of this thesis was to determine how far a biomass quantity, equal to the potential produced within the Swedish borders, could cover the present energy needs inSwedenwith respect to economic and ecological circumstances. Three scenarios were studied where the available biomass was converted to heat, electricity and vehicle fuel. READ MORE

  3. 3. Making Sense of Environmental Values : Wetlands in Kenya

    Author : Charlotte Billgren; Hans Holmén; Stefan Anderberg; Linköpings universitet; []
    Keywords : SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; Environmental values; interdisciplinarity; economic environmental valuation; stakeholder analysis; emergy analysis; risk analysis; cultural theory; Kenya; wetlands; natural resource management; arena perspective; Miljövärden; tvärvetenskap; ekonomisk miljövärdering; stakeholder analys; emergy analys; riskanalys; kulturteori; Kenya; våtmarker; naturresurshantering; arenaperspektiv; Business and economics; Ekonomi;

    Abstract : En av de viktigaste frågorna i världen idag är naturresurshantering. Med en väx-ande befolkning och hoten från klimatförändringar kommer förvaltningen av jordens naturresurser bli än viktigare, såväl för dagens generation som kommande generationer. READ MORE

  4. 4. The Bias of the World : Theories of Unequal Exchange in History

    Author : John Brolin; Humanekologi; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; History and philosophy of the social sciences; Contemporary history since 1914 ; Ecology; political ecology; ecological footprint; emergy; underconsumptionism; post-Keynesian; unlimited supplies of labour; Prebisch-Singer; centre-periphery; terms of trade; staple thesis; ecologial economics; Marxist economics; classical economics; history of political economy; mercantilism; non-equvalent exchange; unequal exchange; Economics; econometrics; economic theory; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik; Nutidshistoria från 1914 ; Ekologi; Samhällsvetenskapernas historia och filosofi;

    Abstract : This is a history of theories and theorists of unequal exchange. Starting with mercantilists and Richard Cantillon's theory based on land values, it briefly covers the early Classical economists and Gerald Fitzhugh. READ MORE

  5. 5. Microalgae at wastewater treatment in cold climate

    Author : Erik Grönlund; Luleå tekniska universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering;

    Abstract : The thesis concludes that microalgae may improve wastewater treatment in ponds in cold climate, from a treatment perspective as well as a sustainability perspective. A literature review revealed that the microalgae biomass produced may find economic use, depending on what species will come to dominate, since there are many possible products from microalgae biomass. READ MORE