Search for dissertations about: "small-scale aquaculture"

Found 5 swedish dissertations containing the words small-scale aquaculture.

  1. 1. Income diversification as a response to social-ecological traps : A case study of small-scale fisheries and aquaculture in the Tam Giang lagoon, Central Viet Nam

    Author : Tong Thi Hai Hanh; Wiebren Boonstra; Melissa Marschke; Uppsala universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; alternative livelihoods; aquaculture households; income diversification; fishing households; small-scale aquaculture; small-scale fisheries; social-ecological traps; and Tam Giang lagoon; Natural Resources and Sustainable Development; Naturresurser och hållbar utveckling;

    Abstract : Many small-scale fishing and aquaculture households in the global South struggle with reinforcing feedbacks between resource degradation and livelihood impoverishment – a situation that is often resembled to a social-ecological trap. Studies suggest that facilitation of income diversification contributes to mitigation and even prevention of trap situations as it reduces exploitation pressure while at the same time makes the households’ livelihood more resilient. READ MORE

  2. 2. Capture-based mud crab (Scylla serrata) aquaculture and artisanal fishery in East Africa- Practical and ecological perspectives : Mud crab ecology and aquaculture

    Author : David Oersted Mirera; Per-Olav Moksnes; Olof Linden; Max Troell; Lewis Le Vay; Linnéuniversitetet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Mud crab; ecology; aquaculture; economics; Akvatisk ekologi; Aquatic Ecology;

    Abstract : Mud crab Scylla serrata is a crustacean that spends most of its life cycle in the mangrove environment throughout its range. Fishery and aquaculture of this crab are significant economic activities in coastal areas in the tropics and sub-tropics because of the meat quality and nutritional value. READ MORE

  3. 3. Colonised Coasts : Aquaculture and Emergy Flows in the World System: Cases from Sri Lanka and the Philippines

    Author : Daniel A. Bergquist; Lennart Strömquist; Clas Lindberg; Torbjörn Rydberg; Aida Aragao-Lagergren; Örjan Sjöberg; Uppsala universitet; []
    Keywords : Social and economic geography; Aquaculture; Capitalism; Socio-economic effects; Environmental effects; Benefit distribution; Sustainability; Sustainability assessment; Fairness; Development; Interdisciplinary; Transdisciplinary research; Geography; Emergy; World System Theory; General Systems Theory; Sustainable development; Sri Lanka; Philippines; Kulturgeografi;

    Abstract : This thesis conceives aquaculture as a transfer of resources within and between different parts of the world system. It is argued that due to inappropriate human-nature interactions, resources tend to flow from the South to the North, as a process of coastal colonisation. READ MORE

  4. 4. 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

  5. 5. Meanwhile, in Aysén-Patagonia : exploring discursive transformations on environment and development in a remote periphery

    Author : Pamela Bachmann-Vargas; the Netherlands Wageningen Wageningen University; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES;

    Abstract : Patagonia, is an imaginary territory that comprises the south of Chile and Argentina. Historically, Patagonia has captivated an image of far-off lands and wilderness, embedded in a remote and peripheral context, which in turn has often been idealized as ‘pristine’. READ MORE