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Lake Ziway is the most exploited lake for fishery, irrigation, recreation and tourism, the fishery sustainability of which is reported under threat because of the overfishing activity resulting from an increasing number of fishers residing around the lake. The main concern of this study was, therefore, to analyze the major socio-economic and institutional factors that determine people’s decision to be engaged in fishing activities there by contributing to the over utilization of the fish resource in Lake Ziway. The study was based on the data obtained from randomly selected 120 households in four Peasant Associations (PAs) purposely selected from two districts. Binary logistic regression analysis was used to identify socioeconomic and institutional factors that determine the utilization of fish resource in the lake. Eight explanatory variables were included in the model out of which five were found to be significant. Results of the logistic regression analysis indicated that age, educational level, distance of household’s home from the lake and other income generating activities determine fish resource utilization negatively while credit access was found to have a positive impact. In the analysis of the relative importance of the significant variables it was found that a one year increase in the age of an average household will decrease the probability of his engagement in fishing activities by 1.6% and a 1 km increase in the distance of the household’s residence from the lake to decrease the probability of engagement in fishing activity by 8.7%. Furthermore, the probability of being fisherman increases for a person with the education level of reading and writing by 30.4% as compared to a household with a higher education while the probability for a household who does not have other source of income increases by 42%; and it increases for the one who has credit access by 26%. The finding of the study suggests that, improving the educational level and facilitating diversified income generating opportunities for the households living around the lake would help to mitigate the overutilization.

Socioeconomic and Institutional Factors Determining the Utilization of Fish Resource in Lake Ziway