Fuel use and greenhouse gas emissions of world fisheries

Parker, Robert; Blanchard, Julia L.; Gardner, Caleb; Green, Bridget S.; Hartmann, Klaas; Tyedmers, Peter; Watson, Reg

doi:10.1038/s41558-018-0117-x

Cited by 241 publications

(197 citation statements)

References 43 publications

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“…Avadí and Fréon (2013) stated that fuel combustion and production contributes most to environmental impacts of fishing vessels, and several fishery LCAs demonstrated that fuel consumption is a major contributor to many impact categories Hospido and Tyedmers 2005;Pelletier et al 2007;Schau et al 2009;Vázquez-Rowe et al 2012a). Demersal trawlers in the Gulf of Gabes consume 4841 l of diesel to produce one metric ton of seafood, which is twice the global average for bottom trawl fisheries (around 2000 l per metric ton of seafood) estimated by Parker and Tyedmers (2015) and almost 10 times higher than the global average for fisheries (489 l of diesel per metric ton of seafood) estimated by Parker et al (2018). Paint and antifouling production contributed the most to marine ecotoxicity, and also to land occupation and total cumulative energy demand due to emissions of copper, xylene, lead, tributyltin, and zinc oxides.…”

Section: Discussionmentioning

confidence: 95%

Combining ecosystem indicators and life cycle assessment for environmental assessment of demersal trawling in Tunisia

Abdou

Loc’h

Didier

et al. 2019

Int J Life Cycle Assess

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Purpose The present study assesses environmental performance of seafood production by demersal trawling in Tunisia (Gulf of Gabes) in order to analyze the contribution of each production stage to environmental impacts and to understand drivers of the impacts using life cycle assessment (LCA). Then a set of ecosystem quality indicators were determined using an ecosystem modeling tool, Ecopath with Ecosim (EwE), and were combined with LCA to increase the relevance of both tools' assessments when applied to fisheries. Methods The approach consisted of conducting LCA and calculating ecosystem indicators to provide a complete assessment of trawling's environmental impacts and the ecosystem characteristics associated with seafood production. The functional unit for the LCA was set to 1 t of landed seafood, and system boundaries included several operational stages related to demersal trawling. Several ecosystem indicators from EwE were calculated. Demersal trawling in the exploited ecosystem of the Gulf of Gabes (southern Tunisia) was used as a case study to illustrate the applicability of the approach. Several management plans were simulated and their influence on environmental performance was assessed. Ecospace, the spatial module of EwE, was used to simulate management scenarios: establishment of marine protected areas, extension of the biological rest period, and decrease in the number of demersal trawlers. Results and discussion LCA revealed that fuel consumption by fishing vessels, fuel production, and paint and antifouling production contributed most to environmental impacts. All management plans simulated decreased environmental impacts compared with the baseline scenario. The most effective management plan is extending the rest period, which increases demersal trawler yield and greatly decreases the PPR/catch of demersal trawlers. Conclusions The method developed in this study is relevant for supplementing LCA of fisheries and potentially that of seafood production systems. It provides policy makers with practical information to help implement effective management plans in the context of an ecosystem approach to fisheries.

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Section: Discussionmentioning

confidence: 95%

Combining ecosystem indicators and life cycle assessment for environmental assessment of demersal trawling in Tunisia

Abdou

Loc’h

Didier

et al. 2019

Int J Life Cycle Assess

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“…From the public health perspective, the consumption of Baltic herring is beneficial, as it is a good source of omega-3 fatty acids and vitamin D, thus helping, e.g., to decrease the risk of cardiovascular diseases [23,24]. Furthermore, using local herring resources for food is a more environmentally sustainable option, compared to imported or farmed fish [25,26].…”

Section: Introductionmentioning

confidence: 99%

Forage Fish as Food: Consumer Perceptions on Baltic Herring

et al. 2019

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Using fish resources for food supply in a sustainable and efficient way requires an examination of the feasibility of prioritising the use of forage species. The present paper deals with the issue from the consumer perspective. Using Baltic herring as a case study, the role of sociodemographic determinants, the drivers and barriers of Baltic herring consumption are investigated in four Baltic Sea countries, based on an internet survey. The drivers and barriers of Baltic herring consumption are compared to those relating to Baltic salmon, to identify the main differences in consumer perceptions on species that are primarily used as feed and food. The present paper concludes that prioritising forage species primarily for human consumption calls for proactive catch use governance, which (1) acknowledges the species-and country-specific intricacies of forage fish consumption, (2) improves the availability of safe-to-eat fish on the market, and (3) provides consumers with sufficient information on the species (e.g., the type of herring and its origin), the sustainability of the fisheries, and the related health risks and benefits.

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“…Excessive usage of conventional energy resources not only leads to fatigue their capacity but it also has remarkable effects on climate change, which increases global warming. The contribution of industry in releasing greenhouse gases in the energy sector is estimated at about 37% . Greenhouse gas emission is one of the irrefutable factors of global warming.…”

Section: Introductionmentioning

confidence: 99%

“…The contribution of industry in releasing greenhouse gases in the energy sector is estimated at about 37%. 4,5 Greenhouse gas emission is one of the irrefutable factors of global warming. The global warming consequences, which can be perceived in many places, have started.…”

Section: Introductionmentioning

confidence: 99%

Current status and future forecasting of biofuels technology development

et al. 2019

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Summary Over the last few decades, the significant increase in energy demand followed by increasing fossil fuels depletion convinced countries authority to choose renewable energy to satisfy demand. Therefore, global enthusiasm in renewable energy such as bioenergy technology is increased. Is biofuels technology ready to address the global demand for energy? Investigating in technology development can answer. In this paper, the current statuses of biofuel technologies are determined. Regarding patent codes, seven technologies are identified, which are CHP turbines for biofeed, gas turbine for biofeed, biodiesel, grain bioethanol, bio‐pyrolysis, torrefaction of biomass, and cellulosic bioethanol. The results of patent investigating show that the biodiesel technology is in the mature status and its technology trend is going to go downward. The others six technologies are in the growth stage. Analysis of 57 619 patents in biofuel technologies for technology forecasting has been done by technology life cycle. The torrefication of biomass technology has started its growth stages and will become mature in 2061. In this research, the S‐curves of all biofuel groups are plotted and maturity phases are forecasted.

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Fuel use and greenhouse gas emissions of world fisheries

Cited by 241 publications

References 43 publications

Combining ecosystem indicators and life cycle assessment for environmental assessment of demersal trawling in Tunisia

Combining ecosystem indicators and life cycle assessment for environmental assessment of demersal trawling in Tunisia

Forage Fish as Food: Consumer Perceptions on Baltic Herring

Current status and future forecasting of biofuels technology development

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