Nature, 412, 72–76 (2001).

In Figures 2 and 3, some regression lines were very faint or missing. The corrected panels are reproduced below. All panels in both figures should also have shown the null hypothesis as a horizontal dashed line through zero.

Figure 2: Selection effect, N cov(ΔRY, M), as a function of species richness across all localities and at individual localities.
Figure 2: Selection effect, N cov(ΔRY, M), as a function of species richness across all localities and at individual localities.The alternative text for this image may have been generated using AI.
Full size image

Lines from highest elevation to lowest are: Ireland, Germany, Sheffield, Greece, Sweden, Silwood, Switzerland and Portugal. Values are square-root transformed to meet the assumptions of analyses but preserve the original positive and negative signs. Symbols as in Fig. 1.

Figure 3: Complementarity effect, N \(\overline{ΔRY}\) \(\overline{M}\), as a function of species richness across all localities and at individual localities.
Figure 3: Complementarity effect, N $$\overline{ΔRY}$$ $$\overline{M}$$, as a function of species richness across all localities and at individual localities.The alternative text for this image may have been generated using AI.
Full size image

Lines from highest elevation to lowest are: Portugal, Switzerland, Silwood, Germany, Sheffield, Ireland, Greece and Sweden. Values are square-root transformed to meet the assumptions of analyses but preserve the original positive and negative signs. Symbols as in Fig. 1.