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. 2014 Jul 8;9(7):e101736. doi: 10.1371/journal.pone.0101736

Figure 2. Relative abundance of Atlantic salmon (%) as compared to brown trout (Inline graphic).

Figure 2

The diagonal solid lines represent equal interbreeding success rates between Atlantic salmon (Inline graphic) and brown trout (Inline graphic). Black or white dotted lines delimit the extinction area of Atlantic salmon and brown trout population, respectively. ωS = ωT indicates equal fitness for Atlantic salmon (ωS = 1) and brown trout. ωST indicates that Atlantic salmon has a 20% fitness reduction (ωS = 0.8). ωS<<ωT indicates that Atlantic salmon has a 40% fitness reduction (ωS = 0.6). In a), c), and e), Atlantic salmon and brown trout do not compete. In b), d), and f), Atlantic salmon and brown trout have density-dependent competition. The data presented correspond to the situation after 100 time steps (years).