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Interannual Variability of Fisheries Economic Returns and Energy Ratios Is Mostly Explained by Gear Type
Figure 2
Number of vessels in French Bay of Biscay fleets (A) and estimated annual fuel consumption (l) by fleet (B).
No fuel consumption estimates were available for 2001.
doi: https://doi.org/10.1371/journal.pone.0070165.g002