Table 1.

Correlation between the different variables of the environmental integrity of the streams and the first and second PCA axis (Figure 4). The highest loadings (correlation >70%) are shown in bold

Characteristic	Loadings
	Axis 1	Axis 2
1‐ Land use pattern beyond the riparian zone	−0.395	0.193
2‐ Width of riparian forest	−0.876	0.192
3‐ Completeness of riparian forest	−0.851	0.159
4‐ Vegetation of riparian zone within 10 m of channel	−0.846	0.167
5‐ Retention devices	−0.674	−0.185
6‐ Channel sediments	−0.612	−0.521
7‐ Bank structure	−0.453	0.668
8‐ Bank undercutting	−0.644	0.232
9‐ Stream bottom	−0.268	−0.602
10‐ Riffles and pools, or meanders	−0.557	−0.295
11‐ Aquatic vegetation	−0.627	−0.460
12‐ Detritus	−0.799	0.105