Fisheries and aquaculture both contribute to meeting the Millennium Development Goals but vulnerability to climate change threatens the contribution that they make to development. Impacts of climate change on small-scale fisheries are of great relevance to poverty reduction. Poverty undermines the resilience of social-ecological systems such as fisheries. The majority of the world’s 250 million fisherfolk lives in areas that are highly exposed to climate change.
Cambodia is highly vulnerable to the effects of climate change on fisheries, which supply livelihoods for millions and up to 80% of all animal protein in the diet. Most fisheries are highly variable by nature and subject to environmental change, including climate change. Hydropower dam construction, intensified fishing pressure and macroeconomic drivers are likely to affect Cambodian fisheries more immediately and visibly than climate change.
This report provides a synthesis of key findings of sector studies undertaken in Vietnam in the context of the Economics of Adaptation to Climate Change (EACC) study. Sectors studied include agriculture, forestry, coastal port and aquaculture. Aquaculture, especially in the Mekong River Delta, is an important source of employment and rural income. The main impacts of climate change on aquaculture seem likely to be a consequence of increased flooding and salinity.
Compensatory mechanisms of the Peruvian hake population (Merluccius gayi peruanus) in response to heavy exploitation and changes in species interaction are discussed. Changes in the rate of cannibalism, diet composition, maximization of fecundity and behavioral adaptation are noted.
The river floodplain ecosystems of the Sahelian region have recently undergone two major hydrological changes: (i) increased interannual variation in rainfall and (ii) a steep reduction of flood peaks and floodplain inundation following the construction of a number of dams and increased water abstraction. Fishers have little freedom of movement within the delta to help them cope with environmental changes. The only new opportunities are those offered by new reservoirs.
Anthropogenic global warming has significantly influenced physical and biological processes at global and regional scales. The observed and anticipated changes in global climate present significant opportunities and challenges for societies and economies. We compare the vulnerability of 132 national economies to potential climate change impacts on their capture fisheries using an indicator-based approach. Countries in Central and Western Africa (e.g.
The FAO/WorldFish Center Workshop on Adapting to Climate Change: the Ecosystem Approach to Fisheries and Aquaculture in the Near East and North Africa took place in November, 2009 to identify and address the impacts created by climate change in the region, and how the Ecosystem Approach to Fisheries (EAF) and Aquaculture (EAA) can be utilized for the management and adaptation of fisheries and aquaculture in the face of these impacts.
Successful management of socio-ecological systems not only requires the development and field-testing of robust and measurable indices of vulnerability and resilience but also improved understanding of the contextual factors that influence societal capacity to adapt to change. We present the results of an analysis conducted in three coastal communities in Solomon Islands.
Peru experiences recurrent ENSO (El Niño Southern Oscillation) events during which the Peruvian bay scallop (Argopecten purpuratus) undergoes substantial changes in its stock size. In the North of the country strong warm ENSO events are synonymous with floods and river discharges that negatively affect scallop biomass, while in the South increased sea surface temperatures lead to an increase in stock size.
Volatile fuel prices are a threat to the viability of UK fishing communities. The economic and social impacts of rising fuel costs for fishers and communities in southwest England are examined. Fuel prices doubled between early 2007 and mid-2008, whereas fish prices remained relatively stable throughout as a result of the price-setting power of seafood buyers. It was the fishers who absorbed the increased costs, resulting in significant loss of income, reduced job security, and problems in recruiting crew.