Search for dissertations about: "Ian Bryceson"

Found 3 swedish dissertations containing the words Ian Bryceson.

  2. 1. Causes and Perceptions of Environmental Change in the Mangroves of Rufiji Delta, Tanzania : Implications for Sustainable Livelihood and Conservation

    Author : Simon Mwansasu; Lars-Ove Westerberg; Annika Dahlberg; Ian Brown; Ian Bryceson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physical Geography; naturgeografi;

    Abstract : Mangroves are ecosystems with enormous ecological importance, supporting both terrestrial and marine food webs. They provide ecosystem services (e.g. food, medicines, fuel, constructing material) to communities near and far. READ MORE

  4. 2. Calcareous Algae of a Tropical Lagoon : Primary Productivity, Calcification and Carbonate Production

    Author : Juma W. Kangwe; Mats Björk; Lena Kautsky; Ian Bryceson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Plant physiology; Växtfysiologi;

    Abstract : The green algae of the genus Halimeda Lamouroux (Chlorophyta, Bryopsidales) and the encrusting loose-lying red coralline algae (Rhodophyta, Corallinales) known as rhodoliths are abundant and widespread in all oceans. They significantly contribute to primary productivity while alive and production of CaCO3 rich sediment materials on death and decay. READ MORE

  5. 3. Integrated Agriculture and Aquaculture Systems (IAA) for Enhanced Food Production and Income Diversification in Tanzania

    Author : Deogratias Mulokozi; Håkan Berg; Ian Bryceson; Stockholms universitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Smallholder farmers; Oreochromis niloticus; Amaranthus hybridus; food production; household income diversification; water use efficiency; farm net income; Physical Geography; naturgeografi;

    Abstract : Aquaculture production in Tanzania has increased in recent years, responding to an increased demand for fish, partly because of an increasing population and declining catches of wild fish. However, the current aquaculture production is still low, dominated by small scale farming systems, that are struggling with a number of challenges such as lack of improved fish breeds, feeds, technical skills and low adoption rates. READ MORE