Search for dissertations about: "fish farming"

Showing result 1 - 5 of 35 swedish dissertations containing the words fish farming.

2. 1. Intensive fish cage farming : impacts, resource demands and increased sustainability trough integration

   Author : Max Troell; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES;

   Abstract : .... READ MORE

4. 2. Phosphorus Emissions from Fish Farms : Observed and Predicted Effects

   Author : Torbjörn Johansson; Kurt Pettersson; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Earth sciences; Fish farm; phosphorus; eutrophication; model; Geovetenskap; Earth sciences; Geovetenskap; Sedimentology; sedimentologi;

   Abstract : During the last decades, fish farming has been a rapidly increasing industry in many European and North American countries. Sweden has a large potential for aquaculture, but there is also a strong concern about the effects on the environment that an increased aquaculture production may cause. READ MORE

5. 3. Seaweed in the tropical seascape : Importance, problems and potential

   Author : Stina Tano; Christina Halling; Sofia Wikström; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Seaweed; Macroalgae; Eucheumoids; Non-indigenous; Haplotype; Fish; Nursery; Epifauna; Diversity; Seaweed farming; Zanzibar; East Africa; Tropical; marin ekotoxikologi; Marine Ecotoxicology;

   Abstract : The increasing demand for seaweed extracts has led to the introduction of non-native seaweeds for farming purposes in many tropical regions. Such intentional introductions can lead to spread of non-native seaweeds from farming areas, which can become established in and alter the dynamics of the recipient ecosystems. READ MORE

6. 4. Crossing barriers: Genetic consequences of translocating wild cleaner fish for aquaculture

   Author : Ellika Faust; Göteborgs universitet; []
   Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; conservation genetics; population genetics; aquaculture escapee; hybridisation; corkwing wrasse; lumpfish; cleaner fish translocation; sea lice; range expansion; fishery management;

   Abstract : Several species of fish show a symbiotic cleaning behaviour, where they assist other species by feeding and removing dead skin or ectoparasites. Some of these cleaner fish species are used as a low-cost parasite control in salmon aquaculture, often considered to be more environmentally friendly than other delousing methods. READ MORE

7. 5. Polyunsaturated fatty acids and allergy development

   Author : Sara Johansson; Chalmers tekniska högskola; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; DTH; IgE; fish oil; farming; atopy; butter; allergy; saturated fat; fatty acids; polyunsaturated fatty acids; breast milk; margarine; serum; cord blood;

   Abstract : Allergies have increased strikingly in the affluent parts of the world during the last century. The cause of the rapid increase is unknown but several risk factors have been postulated, the main ones relating to reduced microbial exposures and changed diet. READ MORE