Fig. 1. Temporal trends of species groups associated with redundancy analysis (RDA) axes 1 and 2 for invertebrates (1988–2007, full black lines) and phytoplankton (1992–2007, dotted grey lines) indicated by linear combination (lc) score plots. Shown are the overall trends (means standard deviations) from lakes with significant temporal structure (n = 26, invertebrates; n = 19, phytoplankton) (A), and the trends in selected lakes (B).
Fig. 1