Fig. 3 — Canonical Correspondence Analysis (CCA) biplots for the 12 sampling sites (A) and macroalgal species (B) in the upper São Francisco River basin, Serra da Canastra National Park. Environmental variables and macroalgal species richness and abundance (% cover) are represented by arrows. Vector labels (same as on Fig. A) were omitted for clarity. Taxa numbers according to Table 1.
A
Axis 1
Axis 2 1
2
3
4
5
6 7
8
9 10 11
12 –0.5
–0.9
–1.4
–1.9 –2.3 0.5 0.9 1.4 1.9 2.3
–0.5 –0.9 –1.4 –1.9
–2.3 0.5 0.9 1.4 1.9 2.3
Richness
% cover
Veloc
pH Color
COD
Slope Rock
Width Depth
B
Axis 1
Axis 2 1
2 3
4
6
7
8
9 10 11
12
14 15
16
17 18
19
20
22 23
25
26
27 28
29,5
13, 21, 24,30
31 –0.5
–1.1 –1.6
–2.2 –2.7 0.5 1.1 1.6 2.2 2.7
–1.1 –1.6 –2.2
–2.7 0.5 1.1 1.6 2.2 2.7
Erratum
Figure 3 published on the page 643 of BJB 63/4 is not the correct. See following the right figure.