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The Spatial Expansion and Ecological Footprint of Fisheries (1950 to Present)

Figure 4

Time series of areas exploited by marine fisheries by latitude class, expressed as a percentage of the total ocean area.

‘Area exploited’ defined as regions where primary production required (PPR) to sustain reported fisheries landings is greater than 10% of local primary production (PP).

Figure 4

doi: https://doi.org/10.1371/journal.pone.0015143.g004