In this paper, a three-country dynamic bio-economic model is presented and used to simulate catch levels, stock size and profit potential of alternative management strategies for the Norwegian spring-spawning herring fishery. Management of the herring fishery is complicated by the migratory behaviour of the species moving between coastal state zones...
Fish is important from the point of view of food and nutritional security, especially in developing countries. Most of the countries having sea gates and those having lakes are using different methods and techniques to exploit their fisheries sector to achieve their food security. Eritrea as one of the countries...
Various traditional methods are employed to preserve and process Rastrineobola argentea
locally known as dagaa (sardines) an indigenous fish species of Lake Victoria. The widely
used known customarily dagaa and dagaa products preservation methods include sundrying,
smoking, salting and various combinations of these. The advantages of smoking
dagaa are manifold....
Artisanal or small scale inshore fisheries are one of the economic sub sectors of the economy and make valuable economic contribution to the coastal communities of Tanzania. It provides rich protein food, employment, income thus contribute to their livelihood. The fishery also contributes significantly to foreign earnings and revenue. Small-scale...
Seaweed farming based primarily on the culture of Kappaphycus and Eucheuma species has grown significantly in the Philippines and Indonesia over the last two decades, with growth also taking place at a smaller scale in Tanzania, India and a few other developing countries. Unlike other forms of aquaculture, seaweed farming...
In order to survive and prosper fishing companies have to balance the need for continuity and change. Investment strategy is a good indicator on the direction companies are headed in terms of capacity, onboard production, and the financial risks they are willing to take. However, the success of an investment...
Chalan Beel, a wetland situated in the North Western Bangladesh is a very potential wetland with immense biodiversity and fisheries value. Its management problem has engulfed with suggestions ranging from private leasing, joint administration by public representation and government and community based approaches. However, nothing sustainable so far emerged concerning...
We assess cod, herring, and sprat fisheries in the Baltic Sea under different salinity conditions using a bioeconomic model with simple predation functions. We compare the current fishing policy to an optimal policy under two different salinity conditions, which have a link to climate change. The fishery of these species...
The EU FP 7 project ‘SOCIOEC’ started in March 2012 and a special session on the challenges and methodological background was organised during the IIFET Conference. In this overview we list the abstracts of the papers delivered and give a short overview on the discussion
The EU FP 7 project ‘SOCIOEC’ started in March 2012 and this paper gives an overview on the main research questions and first results.
SOCIOEC is an interdisciplinary project bringing together scientists from several fisheries sciences with industry partners and other key stakeholders to work on solutions for future fisheries...
The aim of this work is to develop a predator-prey model for two species of commercial importance captured by the Spanish fishing fleet in the National Fishing Ground (ICES areas VIIIc and IXa). In this model, the Southern hake (Merluccius merluccius) represents the predator, and the blue whiting (Micromesistius poutassou)...
The Australian coral reef fin-fish fishery (CRFFF) on the Great Barrier Reef has been managed under ITQs since 2004. A large number of different reef species (>155) are covered by the management plan, but the primary species in terms of value and volume landed are coral trout and red throat...
Fisheries sector plays an important role in Nigeria economy. Contribution of the sector to the nation's economy can be increased if challenges in the industry are minimized and the opportunities explored. Large scale aquaculture, an economic activity earning people a living is a very important industry encompassing fish traders, fish...
This paper puts forth the proposition that all catch share schemes should be analysed primarily through the lens of cooperative game theory, which has now been developed to an advanced degree in the analysis of international fisheries management. If the fishers in a catch share scheme are playing cooperatively, the...
The introduction of culture-based fisheries (CBF) in small scale irrigation systems is increasing the marginal value of water in rice farming. The amount of water that is used in Sri Lanka for rice farming could be utilised to generate more profitable non-crop economic activities such as CBF. This paper examines...
The Icelandic ITQ system has been under development since the early 1980s. Rights were initially grandfathered. Rights have been priced and traded and put up as collateral against loans. Quota values have thus affected the balance sheet of Icelandic fishing firms in a fundamental way. The aim of this paper...
It can not be denied that climate change is now an overriding environmental issue challenging humanity. Scientific research has proven that Vietnam’s 10 most vulnerable provinces are among the top 25% most susceptible regions in South East Asia. Eight of those ten provinces including Ben Tre province belong to the...
In this study, we tried to develop a theoretical framework based on the Schaefer model and establish bioeconometric models to estimate the index of fishery resources using cross-country macro data. The characteristics of our model are that we consider the effect of natural fluctuations of fishery resources over time (in...
Manual beach seining is a widespread and popular fishing gear in Mozambique, targeting small pelagics and demersals and supplying exclusively national markets. The fishery provides employment for half of all marine artisanal fishermen in the country, and lands a significant proportion of total catch from the artisanal sector. The fishery...
The study was carried out in Anyigba metropolis in central Nigeria to analyse the distribution, marketing and consumption of frozen fish. Twenty (20) retailers and 60 consumers were randomly selected for questionnaire administration. Descriptive statistics, marketing margin analysis, the gross margin approach to profitability analysis and regression analysis were used....
Aquaculture, the farming of aquatic organisms especially fish, in Nigeria is dated back to the 1940s at Onikan Experimental farm, South West Lagos and the 160ha industrial scale fish farm, Middle Belt, Panyam, Jos in 1951. Since then, great expansion has been witnessed in Nigeria’s aquaculture industry; graduating from extensive...
Women in Nigeria play a key and vital role in the Fisheries value chain in Nigeria especially when we look at their involvement in the marine, artisanal and Aquaculture sub-sector of the Fisheries Sector. The women who constitute the greater percentage of the fish mongers/ processors represent the first segment...
The Lake Victoria dagaa constitutes over 38% of the total fish landings from Lake Victoria in Tanzania. The fishery supports a major artisanal fishery in the country, ranking second to the Nile perch in Tanzania. However, the dagaa fishery is associated with high level of post-harvest loss (physical and quality...
Fish is an important source of protein which is highly needed for human beings to experience
necessary growth and development. This is the reason for the phenomenal rise in the
consumption of fish in order to meet up with the body nutritional requirements. Therefore,
marketing of this source of protein...
In a 2009 paper in Land Economics, Roy, Arnason and Schrank used a newly developed methodology based on cointegration analysis to establish and measure the role of the fishing industry as an economic base industry (and the only such base industry) for the Canadian province of Newfoundland over the period...
The World Summit on Sustainable Development (Johannesburg, 2002)
encouraged the application of the ecosystem approach by 2010.
We propose a framework that deals jointly with i) ecosystem dynamics,
ii) conflicting issues of production and preservation and
iii) robustness with respect to dynamics uncertainties.
More specifically, we define robust viability kernels...
In this article I analyse Lake Chilwa co-management arrangement in Malawi through the lenses of the concept of power. The analysis is at the local level where majority of the important actors operate. These include the fishing communities, Department of Fisheries, traditional leaders and the new local management entities created...
The efficiency analysis literature has long acknowledged the difference between program/policy effects and relative efficiency effects. The use of incentive compatible policy has been an important research agenda for fisheries economists, and Canada uses an array of policies and regulatory tools to fulfill the objectives of their Fisheries Act. One...
We develop a methodological approach using splines to analyze the deterministic population dynamics of fish stocks at low stock levels. Considering the aggregate Northern cod stock by way of illustration, we reject the hypothesis of strong compensation estimated by the conventional regression methods used by classic bioeconomic models.
Fisheries management is more of human management than fish management. This is evidenced by the many fishing regulation that are developed world-wide and imposed on the fishers who harvest the fish resources. A number of fisheries management regimes have been devised and implemented to sustainably manage the world fisheries but...
Salmon is an anadromous species that during its feeding and spawning migrations is sought after catch for commercial and recreational fisheries. The management of salmon fisheries is complicated by the combination of mixed and single stock fisheries. Thus, the country of origin has sovereign control over harvest of a salmon...
The study looked at gender roles in the value chain for small scale Tilapia capture and marketing in villages and market centres along the Sinazongwe shore line of Lake Kariba, Zambia. Objectives were to identify dominant gender in supply chain functions, compute price changes due to value addition and isolate...
The ex-vessel supply chain for fisheries has been recognized as an important determinant of value generation. In recent years, as the retail demand for fresh seafood products has increased, many independent fishermen have bypassed thin, monopsonized, or otherwise inferior wholesale markets by engaging in implicit or explicit fixed-output contracts with...
The paper discusses contribution of dagaa Rastreneobola argentae fishery to Tanzanian economy. It uses data from two studies conducted in Lake Victoria as well as literature retrieved from Fisheries Division and other institutions. Results indicate that dagaa fishery generates an average monthly income over $150 to individual fisher/trader, provided employment...
Scientific database has proven that Vietnam is one of the most affected countries due to climate change impacts on aquaculture and economies of rural communities. Ben Tre region has suffered immensely from recent salt water intrusion. Climate change generates sea level rise, increase in temperature and salt water intrusion. In...
Vietnam has been ranked as one of the countries in Asia with the highest vulnerabilities to climate change impacts on fisheries and aquaculture. Eight of those ten provinces are located in the Mekong River Delta, including Ben Tre Province. We conducted a study to identify the impacts of climate change...
This paper discusses the persistency of one of today’s major subsidy schemes in Norwegian fisheries: exemption from fuel taxes in the fishing fleet. The reimbursement scheme stems from the late 1980s, and has been persistent since, under different governments. Here we provide the background for this support and discuss it’s...
The clam, Galatea paradoxa has for decades been an important source of protein to the riparian communities of the lower Volta River and provides employment to about 2000 people, especially women. The fishing grounds have dwindled from 100 km from the pre-dam era to a narrow stretch of 10 km...
This study carried out an appraisal of fresh fish marketing in Ondo-State, Nigeria. It
specifically examined the socio-economic characteristics of fresh fish marketers in the study
area, determined profitability and examined market structure for fresh fish in the study area .A
multi-stage sampling technique was used to select 45 fresh...
Most fishermen are faced with several options in both long and short term planning of their activity. In this paper we study fishers short term decisions when different seasonal fishery options are available. This involves choices of spatial and temporal allocation of effort as well as use of varying fishing...
Catfish farming has increased over the past decade in Uganda. In order for this emerging industry to be sustainable, systematic production and marketing are essential. This paper discusses the existing catfish farming industry in Uganda and its value chains. Analysis is done to answer questions on the industry structure, value...
This paper provides summaries of presentations at a special session of IIFET 2012 that explored the potential value of a ‘wellbeing’ approach in small-scale fisheries, drawing on insights from the Governing Small-Scale Fisheries for Wellbeing and Resilience project. The research aimed to apply wellbeing concepts to both better understand fishery...
In this paper, we estimated the costs and benefits of keeping pension fishers in the community. 34% of the 200 thousand fishers in Japan are over the age of 65. Since the fishers over 65 are pensioners, their fishery income is an additional source of livelihood. The average yearly income...
This study evaluated the Philippine tilapia supply chain including the roles of key actors, logistical issues, external influences, and transaction flows among market levels. It identified improvement areas and provided recommendations for the industry. Key players include hatcheries, nurseries, commercial/small-scale farmers, consumers and institutional buyers. Pampanga, Batangas and Laguna are...
A sine-qua-non for eradicating protein malnutrition in Nigeria is increased ingestion of high-value proteins found in various fish forms. This study attempted to give empirical backing or refutation to the assertion that dried fish is consumed more than fresh fish in Nigeria. Data used were gathered in 90 rural and...
Women are recognized as agents of changes and development .Their involvement in aquaculture is one issue that needs to be addressed when dealing with rural communities and poverty alleviation among the rural women .The major way to ensure that women utilize their full potentials in profitable aquaculture is to provide...
The study was carried out in a village named MGR Thittu in the vicinity of the Pichavaram mangroves in the state Tamil Nadu in India. The objectives of the study were to review the current status of mangroves in Tamil Nadu, study the fisherfolk’s perceived role of mangroves on their...
The purpose of this article is to report the results of a statistical investigation of links in the fish supply chain in Uganda. We are particularly interested in the extent of ex-vessel prices impacting links downstream in the fish supply chain. We test for vertical and horizontal co-integration for five...
This paper, which was given as a keynote address for Africa fisheries policy day, addresses the key issue of how the exploitation of Africa’s fish resources can make a greater sustainable contribution to African economic growth. It is estimated that such resources have the potential to deliver annual wealth in...