Socio-economic and ecological determinants in Wetland fisheries in the Yala Swamp.

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The paper examines the determinants in wetland fisheries in the Yala Swamp on the coast of Lake Victoria in Kenya with an aim to guide policy on an integrated approach towards sustainable management of fisheries in all the wetland resources.

 

Fisheries

Unobserved Diversity, Depletion and Irreversibility: The Importance of Subpopulations for Manangement of Cod Stocks

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EfD Authors:

Diversity is often associated with resilience but in this model, unobserved genetic or behavioral diversity can explain the collapse of supposedly regulated fish stocks such as cod. Recent studies have shown the existence of separate sub stocks of cod even at a very fine geographical scale.

Fisheries

Small-scale Fishermen and Risk Preferences

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Using an experimental approach, we investigate the risk preferences of artisanal fishermen in Tanzania waters of Lake Victoria. The experiment concerns pairwise comparisons of hypothetical fishing trips that vary in expected mean and spread of the net revenue.

Fisheries

Optimal harvesting in an age-class model with age-specific mortalities: An example from Namibian linefishing

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Namibia’s main linefish species, the kob, is subject to age-specific fishing mortalities that differ for the two fisheries (commercial linefishing vessels and recreational anglers) exploiting it.

 

Fisheries

Fisheries Economics and 20 Years with Marine Resource Economics: A Citation Analysis

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EfD Authors:

This paper reviews the impact of articles published in the Marine Resource Economics (MRE) and within the field of fisheries economics in general over the period 1954–2004. Specific attention is given to the years 1984–2004, which is the period that MRE has been published.

Fisheries