Faltering lemming cycles reduce productivity and population size of a migratory Arctic goose species.

This revealed that the increment in log-likelihood by adding brent goose population size ln( N t-1 ) to a model containing lemming abundance ( L ) and the growing degree days in Taimyr ( GDD b ),was marginally significant (χ 1 = 3·82, P ≍ 0·05).

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