Search for dissertations about: "local processes"

Showing result 1 - 5 of 1647 swedish dissertations containing the words local processes.

  1. 1. Cascading extinctions in food webs : local and regional processes

    University dissertation from Linköping : Linköpings universitet

    Author : Anna Eklöf; [2004]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Cascading extinctions; complexity; connectance; dispersal; food web; local dynamics; regional dynamics; resistance; spatial structure; species loss;

    Abstract : Ecological communities all over the world are loosing biodiversity due to different kinds of human activities and there is an urgent need of understanding how those losses affect the function of the ecosystems on which we all depend. The community's response to species losses is likely to depend on both the structure of the local community as well as its interactions with surrounding communities. READ MORE

  2. 2. Local Worlds Rural Livelihood Strategies in Eastern Cape, South Africa

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Flora Hajdu; Anders Hjort af Ornäs; Thembela Kepe; [2006]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; livelihood strategies; local scale; natural resource use; local employment; degradation narrative; poverty relief programmes; Transkei; Pondoland; Försörjningsstrategier; lokalitet; naturresursutnyttjande; narrativ; fattigdomsbekämpning; Pondoland; Transkei; Sydafrika; SOCIAL SCIENCES Business and economics Human geography; economic geography Human geography; SAMHÄLLSVETENSKAP Ekonomi Kulturgeografi; ekonomisk geografi Kulturgeografi;

    Abstract : Local perceptions and livelihood strategies have in this study been examined through extensive fieldwork in two villages in rural Pondoland in the former homeland Transkei in South Africa’s Eastern Cape Province. Using a bottom-up perspective, changes in livelihoods and the processes involved in choosing between and combining various types of livelihood activities are analysed. READ MORE

  3. 3. Turning processes : the change of representations in consultee-centered case consultation

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Ingrid Hylander; Kjell Granström; [2000]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Professionai consultation. Tuming points. Educational psychology. Grounded theory. Focus groups; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP;

    Abstract : This thesis explores sudden changes in consultee-centered case consultation. Grounded theory has been used as research method and the description and interpretation of the method is an integrated part of the thesis. READ MORE

  4. 4. Traceability in continuous processes applied to ore refinement processes

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Björn Kvarnström; [2010]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kvalitetsteknik; Quality Technology and Management;

    Abstract : Introduction and purpose: Traceability is central for the identification of the root cause(s) behind a product deviation and thus to achieve a product and process quality that is both high and even. Continuous processes contain several characteristics complicating traceability which are not usually discussed in the scientific literature. READ MORE

  5. 5. Fractionation of Cu and Fe isotopes in metal-rich mine sites biotic and abiotic processes

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Nathalie Pérez Rodríguez; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Cu and Fe isotopes; fractionation; tailings; plants; phytoremediation; organic amendments; soil bacteria; Cu and Fe cycle; covellite; redox processes; Earth sciences - Exogenous eart sciences; Geovetenskap - Exogen geovetenskap; Applied Geology; Tillämpad geologi;

    Abstract : After mineral exploitation the residual grinded and milled material, rich in sulphide minerals and heavy metals, is often left exposed to the atmospheric variables. This weathered mine waste material can lead to the formation of acid mine drainage (AMD) which has negative effects to the environment. READ MORE