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Figure 1

From: How technical change has boosted fish aggregation device productivity in the Indian Ocean tuna fishery

Figure 1

Summary plots of French PS fishing in the Indian Ocean 1992–2019 (a) free- school skipjack catch (tonnes), (b) free-school yellowfin catch (tonnes), (c) floating object skipjack catch (tonnes), (d) floating object yellowfin catch (tonnes), (e) number of days at sea, (f) number of PS vessels, (g) number of floating object sets, (h) number of free school sets, (i) skipjack biomass (tonnes) IOTC and (j) yellowfin biomass estimates (tonnes) IOTC.

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