Browsing Master's theses in international fisheries management by Title

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Now showing items 87-89 of 89

Users' attitudes toward fisheries management on Lake Zeway, Ethiopia

Ali, Abdurhman Kelil (Master thesis; Mastergradsoppgave, 03-Jun-2002)

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Abstract:

A resource management system combines a set of regulatory scheme within a particular resource to achieve a management outcome. The effectiveness of these regulatory measures depends on the support gained from the resource user group and the way they themselves define their problem, their involvement in the decisionmaking process, in installing and enforcing the regulations. Through semi-structured interviews, this study investigated what resource users think about: the status of stocks and the reason for any change, fisheries management issues and measures and management in partnership on Lake Zeway fisheries. It is found out that sample respondents understand and agree the resource is in undesirable state mainly due to increasing number of fishers and/or gears beyond the capacity of the lake, use of small mesh size/fishing for juveniles and on the breeding grounds. They expect a continued pattern of decline unless some possible measures undertaken to curb the problem. Respondents are, for most part, supportive of management. Most of them understand the importance of the variables that management can manipulate and agree on some fundamental element of a common management strategy but lack incentive for compliance due to the absence of property right. Moreover, they showed motivation and willingness to share management responsibility with fisheries officials. Consolidation of the community coupled with local control of resource base access and active involvement in the management thereof, are important ingredients for achieving true success – i.e. long term sustainability – in the exploitation of the fishery resources.

URI:

http://hdl.handle.net/10037/304

File(s) in this item: 1

thesis.pdf (192.0Kb)

Vaccination of Atlantic cod (Gadus morhua L.) against atypical furunculosis using different adjuvants

Hamid, Lemia M.O (Master thesis; Mastergradsoppgave, 22-May-2003)

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Abstract:

In recent years increased attention has been focussed on fish vaccines and vaccination against diseases in farmed fish. In this study, efficacy and side effects of vaccination against atypical furunculosis in Atlantic cod (Gadus morhua L.) were studied in an experimental trial by using different adjuvants. The different adjuvanted vaccines were administered by intraperitoneal injection (i.p.) to Atlantic cod. The adjuvants used were CpG DNA, Aluminium hydroxide (Alhydrogel), and Freunds incomplete adjuvant (FIA). Efficacy of the vaccines and side effects were determined 12 weeks post vaccination, whereas serum antibodies were measured 15 weeks post vaccination. Vaccination of Atlantic cod against atypical furunculosis protects the fish and elicits specific antibody responses to experimental infection with atypical A. salmonicida. The atypical A. salmonicida bacterin alone resulted in very good protection (RPS=75%), and addition of adjuvant alone or in combination did not improve the protection significantly. This indicates that Atlantic cod can be protected against atypical furunculosis through non-adjuvanted vaccines. The injection of FIA alone gave non-specific protection, while the adjuvants CpG DNA and Aluminium hydroxide did not give any non-specific protection. The group, which received CPG DNA alone, had a higher mortality (57%) than the saline control group (53%). High specific antibody responses were demonstrated in all groups vaccinated with A. salmonicida bacterin. The responses were strongest in the groups, which received A. salmonicida in FIA. The study also assessed the side-effects 12 weeks vaccination. The vaccines containing FIA showed the most sever side-effects among the vaccinated group. Aluminium hydroxide showed a less degree of the intraabdominal side effects compared to FIA, but a delay in fish growth was observed.

URI:

http://hdl.handle.net/10037/330

File(s) in this item: 1

thesis.pdf (606.3Kb)

Women’s activities in the Ghanaian fishery; The role of social capital

Tetteh, Anthony Sackey (Master thesis; Mastergradsoppgave, May-2007)

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Abstract:

Women play important roles in the Ghanaian fishery. This thesis focuses on the roles of women in the Ghanaian fisheries and their means of raising capital to finance their activities. The roles played are broadly categorized as an intermediary one linking fishermen and fish consumers. The women offer financial assistance to the fishermen in times of need and this has led to a strong relationship between the women and the fishermen. To perform this intermediary role, the women rely on relationships they have with the fishermen and existing fish traders. This is due to the difficulties they face in accessing formal credit from the bank as a result of lack of collateral. The findings of this study indicate that social capital plays a very important role both in the raising of capital for the fish trade and the performance of the role as intermediaries. Success in the fish trade has earned the women a prestigious status in the society and their financial success affords some of them the ability to own and control fishing equipment. The influence they possess in the fisheries through the interdependence between them and the fishermen is what makes this category of women different from their counterparts in other parts of the world. Theories used in this study include the middlemen theory, social capital, principal agent theory and micro finance. Key words: fish trade, intermediary, social capital.

URI:

http://hdl.handle.net/10037/1003

File(s) in this item: 1

thesis.pdf (286.8Kb)

Now showing items 87-89 of 89

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Browsing Master's theses in international fisheries management by Title

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Browsing Master's theses in international fisheries management by Title

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File(s) in this item: 1

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