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Long-term relative density of competent vectors for populations regulated by different strengths of density dependence when releases were conducted at a 1:1 (r = 1) release ratio for T = 100 days with male-only (A), bi-sex (B), and female-only (C) releases. For combination strategies, the switch occurred after Ts = 50 days. All other parameter values are the default values listed in Table 2. Note the vertical axis is on a log scale.
