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Across 225 species in six regions, mean AUC rises from 0.7163 with random background to 0.7468 with target-group background, a gain of +0.0305. This closely matches Phillips\' reported Maxent gain of +0.0293 (0.7276 to 0.7569) in both direction and magnitude, despite using the independent open-source elapid/maxnet engine rather than the original Java Maxent. Phillips\' secondary finding that the gain is largest where sampling bias is greatest also reproduces: the Canadian region (CAN), the most biased, shows the largest gain." } } } rows { name { value: "hasConfidenceLevel" } } rows { name { value: "HighConfidence" } } rows { quad { p_iri { } o_iri { } } } rows { name { value: "hasEvidenceDescription" } } rows { quad { p_iri { } o_literal { lex: "Overall mean AUC: random 0.7163, target-group 0.7468, delta +0.0305 (Phillips Maxent: 0.7276, 0.7569, delta +0.0293). Paired Wilcoxon signed-rank test of target-group vs random per-species AUC: statistic 8028.0, p = 1.6e-06 (significant at p < 0.001). Per-region deltas: CAN +0.1317 (largest, 20 species), SWI +0.0394 (30), AWT +0.0451 (40), NSW +0.0184 (53), NZ +0.0135 (52), SA -0.0146 (30, the only region where target-group background did not help). 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