Declines of ebony and ivory are inextricably linked in an African rainforest.

For the seedling survival analysis, we included hunting and density even though their coefficients were marginally significant (0.05 < P < 0.065) because they were central to our ecological questions and because the full additive model (distance + hunting + density) fit significantly better than the univariate model with distance alone (LRT: P = 0.028, χ 2 = 7.146, df = 2; additive: r 2 = 0.050; univariate distance: r 2 = 0.048).

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