Sökning: "emergy"

Visar resultat 1 - 5 av 6 avhandlingar innehållade ordet emergy.

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

    Författare :Daniel A. Bergquist; Lennart Strömquist; Clas Lindberg; Torbjörn Rydberg; Aida Aragao-Lagergren; Örjan Sjöberg; Uppsala universitet; []
    Nyckelord :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;

    Sammanfattning : 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. LÄS MER

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

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

    Sammanfattning : 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. LÄS MER

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

    Författare :Charlotte Billgren; Hans Holmén; Stefan Anderberg; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; 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;

    Sammanfattning : 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. LÄS MER

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

    Författare :John Brolin; Humanekologi; []
    Nyckelord :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;

    Sammanfattning : 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. LÄS MER

  7. 5. Att mäta och kommunicera hållbart : en analys av ett svenskt jordbruk

    Författare :Anna Levin; Göran Hoppe; Jan Boelhouwers; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Resource use; sustainability; agricultural system; emergy-based foot- and fingerprint; ecosystem services; communication; Human geography; Kulturgeografi; Kulturgeografi; Social and Economic Geography; Geography; Geografi;

    Sammanfattning : Tools that highlight the human impact on ecosystems and the accelerating depletion of natural resources are essential in the strife towards a more sustainable way of living. Emergy analysis is a scientific and robust method to assess the degree of sustainability of human as well as natural systems. LÄS MER