Table 1.

Best models (wi > 0.1) that relate daily nest survival to age of the nest, date of the breeding season, and year for ducks and passerines nesting in North Dakota, 1998–2003. loge(L) is the value of the maximized loglikelihood function, K is the number of parameters in the model, AICc is Akaike's information criterion corrected for small sample size, ΔAICc is the scaled value of AICc, wi the Akaike weight, n is the number of nests, and neff is effective sample size. Base models are defined in Figure 1.

Table 1.

Best models (wi > 0.1) that relate daily nest survival to age of the nest, date of the breeding season, and year for ducks and passerines nesting in North Dakota, 1998–2003. loge(L) is the value of the maximized loglikelihood function, K is the number of parameters in the model, AICc is Akaike's information criterion corrected for small sample size, ΔAICc is the scaled value of AICc, wi the Akaike weight, n is the number of nests, and neff is effective sample size. Base models are defined in Figure 1.

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