Search for dissertations about: "local processes"

Showing result 1 - 5 of 1164 swedish dissertations containing the words local processes.

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

    Author : Flora Hajdu; Anders Hjort af Ornäs; Thembela Kepe; Linköpings universitet; []
    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; Human geography; 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

  4. 2. Cascading extinctions in food webs : local and regional processes

    Author : Anna Eklöf; Linköpings universitet; []
    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

  5. 3. Species extinctions in food webs : local and regional processes

    Author : Anna Eklöf; Bo Ebenman; Peter Münger; Marcel Holyoak; Linköpings universitet; []
    Keywords : Extinction; food web; metacommunity; dispersal; species loss; migration; habitat fragmentation; connectance; NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : Loss of biodiversity is one of the most severe threats to the ecosystems of the world. The major causes behind the high population and species extinction rates are anthropogenic activities such as overharvesting of natural populations, pollution, climate change and destruction and fragmentation of natural habitats. READ MORE

  6. 4. Dynamics of ecological communities in variable environments : local and spatial processes

    Author : Linda Kaneryd; Bo Ebenman; Peter Münger; Michael S. Fowler; Linköpings universitet; []
    Keywords : ;

    Abstract : The ecosystems of the world are currently facing a variety of anthropogenic perturbations, such as climate change, fragmentation and destruction of habitat, overexploitation of natural resources and invasions of alien species. How the ecosystems will be affected is not only dependent on the direct effects of the perturbations on individual species but also on the trophic structure and interaction patterns of the ecological community. READ MORE

  7. 5. Is it local? : A study about the social production of local and regional foods and goods

    Author : Sofie Joosse; Susanne Stenbacka; Anders Malmberg; Kevin Morgan; Uppsala universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : Local and regional products are often attributed positive qualities, such as a potential for developing Europe’s rural regions economically and reconnecting producers and consumers in more sustainable food systems. However, they are broad categories that include many different understandings. READ MORE