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

Figure 2

Time series of areas newly exploited by marine fisheries (1950–2005), expressed in km2.

Newly exploited areas 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%) are presented.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0015143.g002