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. 2014 Sep 10;9(9):e106651. doi: 10.1371/journal.pone.0106651

Figure 1. Large mammal food webs of the Iberian Peninsula during the Quaternary.

Figure 1

Early Pleistocene (EP; 850,000 years before present, or 850 ky BP), Middle Pleistocene (MP; 450 kyr BP), Last Interglacial Maximum (LIM; 120 kyr BP), Last Glacial Maximum (LGM; 21 kyr BP), Early Holocene (H; 10 kyr BP) and present (P). Each species (black for predator, dark grey for prey) is a node, and each link indicates a trophic interaction. Horizontal links indicate that the species persists between communities.