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

Figure 3

Time series of areas exploited by marine fisheries (1950–2005) expressed a percentage of the total ocean area.

‘Area exploited’ defined as regions where primary production required (PPR) to sustain reported fisheries landings exceeds the threshold percentage of local primary production (PP). Results based on three exploitation thresholds (10%, 20% and 30%), and for all marine areas (left) and continental shelf areas (i.e., up to 200 m in depth, right) are presented.

Figure 3

doi: https://doi.org/10.1371/journal.pone.0015143.g003