Search for dissertations about: "agricultural extension"

Showing result 16 - 20 of 25 swedish dissertations containing the words agricultural extension.

  1. 16. Pesticides in coastal Tanzania : Management, policy and concerns for human health and the environment

    Author : Nadja Stadlinger; Linda Kumblad; Anders Sjögren; Nils Kautsky; Kees Jansen; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; sub-Saharan Africa; agrochemicals; legislation; farmer education; hazards; subsidies; marin ekotoxikologi; Marine Ecotoxicology;

    Abstract : This thesis is the first major assessment of pesticide management in Zanzibar, Tanzania. It underlines the risks for human health and the environment that are likely under the current pesticide management regime. READ MORE

  2. 17. Landslides in the central Kenyan highlands : Risks and actors

    Author : Michaela Nylund; Lars-Ove Westerberg; Ingmar Borgström; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physical Geography; naturgeografi;

    Abstract : Measures taken to prevent and mitigate landslides are often based on geotechnical solutions. However, to understand local effects of landslides, people’s perception, knowledge and experiences are important, as this influence the level of vulnerability, and the efficacy of adaptive and mitigating measures. READ MORE

  3. 18. Reconstruction of Past European Land Cover Based on Fossil Pollen Data : Gaussian Markov Random Field Models for Compositional Data

    Author : Behnaz Pirzamanbein; Matematisk statistik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Spatial Statistics; Adaptive Markov Chain Monte Carlo; Dirichlet Observation; Confidence Region; Palaeoecology; Past Human Land Use; Stochastic Partial Differential Equation;

    Abstract : The aim of this thesis is to develop statistical models to reconstruct past land cover composition and human land use based on fossil pollen records over Europe for different time periods over the past 6000 years. Accurate maps of past land cover and human land use are needed when studying the interaction between climate and land surface, and the effects of human land use on past climate. READ MORE

  4. 19. East African Hydropatriarchies : An analysis of changing waterscapes in smallholder irrigation farming

    Author : Martina Angela Caretta; Lowe Börjeson; Margreet Zwarteveen; Stockholms universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; smallholder irrigation farming; local gender contract; landesque capital; common property regimes; dry lands; feminist epistemology; member checking; Kenya; Tanzania; Geography with Emphasis on Human Geography; geografi med kulturgeografisk inriktning;

    Abstract : This thesis examines the local waterscapes of two smallholder irrigation farming systems in the dry lands of East African in a context of socio-ecological changes. It focuses on three aspects: institutional arrangements, gender relations and landscape investments. READ MORE

  5. 20. Colonization processes of soil fauna and mycorrhizal fungi

    Author : Dagmar Gormsen; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Animal ecology; abandonment; land use; ectomycorrhiza; arbuscular mycorrhiza; lumbricid earthworms; Acari; soil fauna; collembola; Djurekologi; Microbiology; bacteriology; virology; mycology; Mikrobiologi; bakteriologi; virologi; mykologi;

    Abstract : Colonization consists of two parts, a dispersal phase followed by establishment and reproduction at a new site. Dispersal behaviour influences survival and the access to resources and mates of individuals and is thus closely linked to an organism's fitness. READ MORE