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Relationships between annual offspring production by caribou (proportion calves in the population of adult females) and (a) the degree of trophic mismatch each year and (b) the spatial variability in timing of plant growth each year at our study site near Kangerlussuaq, West Greenland, in 1993 and from 2002 to 2007. Both plots show partial correlations from the best-fit regression model. See §2 for details on estimation of the dependent and independent variables.
