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Showing result 1 - 5 of 18 swedish dissertations matching the above criteria.

2. 1. Effects of Agriculture on Abundance, Genetic Diversity and Fitness in the Common Frog, Rana temporaria

   Author : Markus Johansson; Anssi Laurila; Juha Merilä; Craig R. Primmer; Michael W. Bruford; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; agriculture; agrochemicals; amphibians; effective population size; genetic diversity; genetic structure; hierarchical sampling; microsatellites; Rana temporaria; Biologi; Biology; Biologi;

   Abstract : The aims of this thesis were to evaluate the effects of agriculture on amphibians in terms of (i) population genetic consequences of agriculture-induced spatial changes of the landscape and (ii) local adaptation and tolerance to frequently used agrochemicals. The study was performed using the common frog Rana temporaria as a model. READ MORE

4. 2. Biocompatible microemulsions : formulation, encapsulation of bioactive compounds and their potential applications

   Author : Argyro Kalaitzaki; A. Xenakis; Bert van Bavel; Björn Lindman; Örebro universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; biocompatible microemulsions; encapsulation; pharmaceuticals; methylxanthine; agrochemicals; pyrethrinsfood; squalene; octyl gallate; gallic acid; EPR; DLS; SAXS; Chemistry; Kemi;

   Abstract : .... READ MORE

5. 3. 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

6. 4. Protecting food with poison : Exploring ecotoxicity of agrochemicals and pharmaceuticals

   Author : Oskar Nyberg; Michael Tedengren; Peter Fantke; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; LCA; ecotoxicology; uncertainty; antibiotics; aquaculture; pesticides; Ecotoxicology; ekotoxikologi;

   Abstract : Chemicals are being emitted into the environment through human activities, such as agriculture or animal husbandry. Emissions can either occur intentionally, as pesticide application of crops, or inadvertently, such as pharmaceutical residues in wastewater effluents. READ MORE

7. 5. Essays on the Economics of Sustainable Agricultural Technologies in Ethiopia

   Author : Hailemariam Teklewold; Göteborgs universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Ethiopia; Adoption; risk preference; soil conservation; mixed farming; technology; Impatience; Shadow price; Allocation; Farmyard manure; Sustainable Agricultural Practices; switching; Multivariate probit; Ordered probit; multinomial switching regression; income; agrochemicals use; demand for labour.;

   Abstract : Abstracts This thesis consists of five self-contained papers: Paper 1: Adoption of multiple sustainable agricultural practices in rural Ethiopia The adoption and diffusion of sustainable agricultural practices (SAPs) have become an important issue in the development-policy agenda for Sub-Saharan Africa, especially as a way to tackle land degradation, low agricultural productivity, and poverty. However, the adoption rates of SAPs remain below expected levels. READ MORE