Balanced feed represents approximately 60 % of production costs in fish culture and ration size has significant effects on this parameter. Ration size varies according to culture strategies and producer knowledge. It can also have environmental implications since feed can be a pollutant. A bioeconomic model was developed for an...
Traditional extensive coastal and semi-intensive aquaculture systems in Southern Europe are facing difficulties, especially due to increased competition for coastal areas uses and market competition, due to low-price products from intensive aquaculture. The positive effects of extensive and semi-intensive aquaculture in coastal areas - including environmental protection and restoration in...
In industries that are characterized by frequent innovations and high productivity growth, substantial variation in both produced quantity and input use may occur and lead to increased cost. As both excessive input use and misallocation of inputs are costly for the producer, firm-specific measures of both technical and allocative inefficiency...
Consultative structures are often suggested as a means of facilitating resolution of issues in multiple use management through developing consensus and facilitating cooperation. The advantages and limitations of this approach are explored through the history of the Cockburn Sound Management Council. Set up in 1999, the Cockburn Sound Management Council...
The Coral Triangle Initative is a new initative in environmental ecosystem management which as officially kicked-off by 6 countries in December 2007. The paper reviews the history of the initiative (transboundary international "Peace parks" concept, bringing together other eco-regional initiatives) and points to the direction it is currently taking with...
This paper attempts to determine and analyze the factors affecting the value chain of tuna commodity in the Philippines. It also identifies the key players in the industry, and their roles and contributions in the value chain. The paper will utilize both primary and secondary data in the analysis. Secondary...
The main objective of this paper was to study consumer concern for ethical and environmental issues regarding fishing and aquaculture. Cross-sectional data was collected in Valencia, Spain. A total sample of 452 consumers was obtained. This study uses descriptive and multivariate techniques to present data, and to obtain and describe...
This pilot study maps the structural changes in the Icelandic fisheries sector from 1990 to present, from the general to the specific. The background is the radical and substantial changes in the structure of harvesting, production and processing; in the export activities and marketing in Icelandic fisheries. The main characteristics...
It is recognized that small-scale fishing communities are grappled with an array of problems, including overfishing of fishing resources, lack of alternative sources of employment, rapid population growth,
displacement in coastal areas due to industrial development and tourism, pollution and environmental degradation etc.. Discussions on the issue of overfishing in...