Erratum to: Oecologia 150:282–290 DOI 10.1007/s00442-006-0520-2

In the original published version of this article, the text read:

1. In the Results section

For values of Δδ 15N from 2.4 to 3.4‰, a range that encompasses all values of Δδ 15N within 1 SD of the mean fractionation reported in the review of Post (2002), the variations in predicted slope within sites were relatively small in relation to confidence limits around observed slopes (Table 2) at all realistic transfer efficiencies.

2. In the Discussion section

However, our sensitivity analyses demonstrated that varying Δδ 15N from 2.4 to 3.4‰, a range that encompassed all values of Δδ 15N within 1 SD of the mean ...

And the text should read:

1. In the Results section

For values of Δδ 15N from 2.4 to 4.4‰, a range that encompasses all values of Δδ 15N within 1 SD of the mean fractionation reported in the review of Post (2002), the variations in predicted slope within sites were relatively small in relation to confidence limits around observed slopes (Table 2) at all realistic transfer efficiencies.

2. In the Discussion section

However, our sensitivity analyses demonstrated that varying Δδ 15N from 2.4 to 4.4‰, a range that encompassed all values of Δδ 15N within 1 SD of the mean ...