EfD Impact Stories 2019
EfD aims to support a new generation of engaged researchers based in the Global South. In this magazine you will find stories of the work carried out at our EfD centers across the world. First: In…
A synthesis of three decades of socio-ecological change in False Bay, South Africa: setting the scene for multidisciplinary research and management
Over the past three decades, marine resource management has shifted conceptually from top-down sectoral approaches towards the more systems-oriented multi-stakeholder frameworks of integrated coastal management and ecosystem-based conservation. However, the successful implementation of such frameworks is commonly hindered by a lack of cross-disciplinary knowledge transfer, especially between natural and social sciences. This review represents a holistic synthesis of three decades of change in the oceanography, biology and human dimension of False Bay, South Africa.
Linking Social Preferences and Ocean Acidification Impacts in Mussel Aquaculture
Ocean Acidification (OA) has become one of the most studied global stressors in marine science worldwide during the last fifteen years. Despite the variety of studies on the biological effects of OA with marine commercial species, estimations of these impacts over consumers’ preferences have not been studied in detail, compromising our ability to undertake an assessment of some market and economic impacts resulting from OA at local scales. Here, we use a novel and interdisciplinary approach to fill this gap.
Salmon farming vulnerability to climate change in southern Chile: understanding the biophysical, socioeconomic and governance links
Here we describe an assessment of climate-change vulnerability for the salmon farming sector in southern Chile using a model that combines semi-quantitative measures of Exposure (risks), Sensitivity (economic and social dependence), and Adaptation Capacity (measures that prevent and mitigate impacts). The evaluation was carried out in 8 pilot communes representative of salmon production (marine grow-out).
Impact of Caligus Treatments on Unit Costs of Heterogenous Salmon Farms in Chile
We measure the impact that sanitary treatments that control ectoparasite Caligus rogercresseyi abundance have on unit production costs of Salmo salar farms in Chile. We follow complete production cycles for a sample of farms between 2009 and 2015. We estimate a simultaneous salmon biomass growth and Caligus abundance model. The statistical analysis determines the effect of antiparasitic treatments, location of farms, environmental conditions and Caligus abundance on the salmon growth profile.
Pending Issues and Challenges of Salmon Farming in Chile: A Socioeconomic Perspective
We identify and discuss the main problems and challenges in sustainable development faced by the salmon farming industry in Chile from a socio‐economic perspective. This perspective is broad, in that it includes how the industry interacts with society and the environment, but also limited, in that it only assesses the impact on different social groups and economic agents. First, we present a brief description of the structure and socio‐economic relevance of salmon farming in the country.
Co-management of small-scale fisheries and ecosystem service
Marine ecosystem services are in global decline which requires new transformational changes in governance to cope with multiple anthropogenic stressors. We review the biodiversity and ecosystem services outcomes of a governance transformation towards comanagement through the allocation of territorial user rights to artisanal fisher associations (TURFs). Through a systematic review we synthesize the implications of more than 25 years of establishing a TURFs policy over ecosystem services in Chile.
Exploring Dual Discount Rates for Ecosystem Services: Evidence from a Marine Protected Area Network
This paper presents a joint estimation of willingness to pay for conservation activities aimed to preserve the flow of ecosystem services provided by a marine protected area network and respondents´ personal discount rate using a contingent valuation survey. It contributes to the literature on identifying people´s discount rates moving beyond the use of the exponential schemes, to include a hyperbolic discount rate through variations in the timing and duration of the provision of public goods.
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