FN Archimer Export Format
PT J
TI Fuel consumption and air emissions in one of the world’s largest commercial fisheries
BT 
AF Chassot, Emmanuel
   Antoine, Sharif
   Guillotreau, Patrice
   Lucas, Juliette
   Assan, Cindy
   Marguerite, Michel
   Bodin, Nathalie
AS 1:1,2;2:1;3:3,4;4:1;5:1;6:1;7:1,2,5;
FF 1:;2:;3:;4:;5:;6:;7:;
C1 Seychelles Fishing Authority (SFA), Victoria, Mahé, Seychelles
   Research Institute for Sustainable Development (IRD), Victoria, Mahé, Seychelles
   University of Nantes, LEMNA, Nantes, France
   MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, Sète, France
   Sustainable Ocean Seychelles, Beaubel, Seychelles
C2 SEYCHELLES FISHING AUTHORITY (SFA), SEYCHELLES
   IRD, FRANCE
   UNIV NANTES, FRANCE
   IRD, FRANCE
   SUSTAINABLE OCEAN SEYCHELLES, SEYCHELLES
UM MARBEC
IN WOS Cotutelle UMR
   copubli-france
   copubli-univ-france
   copubli-int-hors-europe
IF 9.988
TC 14
UR https://archimer.ifremer.fr/doc/00677/78885/81398.pdf
LA English
DT Article
DE ;Air pollution;Fish aggregating device (FAD);Energy use;Greenhouse gas (GHG);Sulphur dioxide;Tuna purse seine fisheries
AB The little information available on fuel consumption and emissions by high seas tuna fisheries indicates that the global tuna fleet may have consumed about 2.5 Mt of fuel in 2009, resulting in the production of about 9 Mt of CO2-equivalent greenhouse gases (GHGs), i.e., about 4.5–5% of the global fishing fleet emissions. We developed a model of annual fuel consumption for the large-scale purse seiners operating in the western Indian Ocean as a function of fishing effort, strategy, and vessel characteristics based on an original and unique data set of more than 4300 bunkering operations that spanned the period 2013–2019. We used the model to estimate the total fuel consumption and associated GHG and SO2 emissions of the Indian Ocean purse seine fishery between 1981 and 2019. Our results showed that the energetic performance of this fishery was characterized by strong interannual variability over the last four decades. This resulted from a combination of variations in tuna abundance but also changes in catchability and fishing strategy. In recent years, the increased targeting of schools associated with fish aggregating devices in response to market incentives combined with the IOTC management measure implemented to rebuild the stock of yellowfin tuna has strongly modified the productivity and spatio-temporal patterns of purse seine fishing. This had effects on fuel consumption and air pollutant emissions. Over the period 2015 to 2019, the purse seine fishery, including its support vessel component, annually consumed about 160,000 t of fuel and emitted 590,000 t of CO2-eq GHG. Furthermore, our results showed that air pollutant emissions can be significantly reduced when limits in fuel composition are imposed. In 2015, SO2 air pollution exceeded 1500 t, but successive implementation of sulphur limits in the Indian Ocean purse seine fishery in 2016 and 2018 have almost eliminated this pollution. Our findings highlight the need for a routine monitoring of fuel consumption with standardized methods to better assess the determinants of fuel consumption in fisheries and the air pollutants they emit in the atmosphere. 
PY 2021
PD MAR
SO Environmental Pollution
SN 0269-7491
PU Elsevier BV
VL 273
UT 000625376600043
DI 10.1016/j.envpol.2021.116454
ID 78885
ER

EF