Nigeria with an annual potential of 2.5 million tonnes of fish from aquaculture produced only 316,727 tonnes in 2015 out of the domestic production of 1.027 million tonnes and total fish demand of 3.25 million tonnes. The government has put in place a lot of initiatives to increase aquaculture production...
Artificial reefs (AR) were created not only to protect sea bottoms (Lee et al., 2018) and enhance biodiversity namely by stimulating the enhancement of fish stocks (Pioch et al., 2020), but also to attract diving tourism (Shani et al., 2012) or sport fishing enthusiasts (Radonski et al., 2018). In order...
Over recent decades, the EU aquaculture sector has been implementing actions towards the minimization of waste as a strategy for increasing the circular attributes of the management system. In this context, it is relevant to develop methodologies to quantify and assess the circularity that will ultimately be achieved by new...
The U.S. National Marine Fisheries Service, and its precursor agency, has collected information about the cost of commercial fishing since the 1950’s. The efforts were intermittent and geographically sporadic until 2000 when a systematic approach was developed and supported by ongoing budgetary commitments. Information about which fisheries within each region...
In this study, socio-economic structure of fishermen in Samsun Shelf Area was investigated between January 2014 and May 2015. Questionnaires were applied to 42 fishermen by visiting the region three times. At the end of the study, the age distribution of the fishermen were mentioned between 29 and 69 years;...
Given the complex and often opaque nature of seafood supply chains, port cities can serve as checkpoints within supply chains to address illegal, unreported, and unregulated (IUU) seafood commodities. Harmonized systems (HS) codes are used at port cities by customs officials to monitor commerce. Concern about IUU activity in capture...
This study examines price formation of the internationally traded salmon futures exchange. The results show that the futures market price provides the expected role of leading the spot market price. Further, the futures market is efficient but hindered by the presence of risk premium that biases the forecast ability. The...
İstanbul Bosphorus is a strategic fishing area with its physico-chemical and geographical characteristics. Also because of İstanbul metropole is taking part there, İstanbul aquatic Products fish market has become an important position in the region. The high variety of species and product entrance quantity rates provided us a continuous data...
Japanese foods such as sushi and sashimi are in boom in US markets, and the US import of the Japanese fish is expected to increase. However, the growth rate has not been so rapid as the import of agricultural products such as green tea and soybean paste. At the same...
Kappaphycus alvarezii is economically-important seaweed due to higher carrageenin contents. Suitable culture-method, culture-sites and solutions for fish-grazing have not been tested. Hence, growth-rate ofK.alvarezii under three culture-methods namely raft, line, and cylinder-cage were compared off Velanai and Kayts, in northern Sri Lanka from April-August 2014. Raft and line culture-methods were...
The study examined the determinants of profit margins earned by artisanal fishermen in Ghana using the concept of percentage contribution margin. The effects of selected variables on margins were examined for two marketing agents - spouse and other agents. A system of equations were estimated separately for the major and...