Table 2. Correlation between (i) ecological indicators: concentration of the following elements measured in the mosses: copper (Cu) (µg/g DW), zinc (Zn) (µg/g DW), manganese (Mn) (µg/g DW), iron (Fe) (µg/g DW), lead (Pb) (µg/g DW), nickel (Ni) (µg/g DW), arsenic (As) (µg/g DW), total nitrogen (N) (%/DW), the ratio between total carbon and total nitrogen (C:N), ammonium (NH4+) (µg/g DW); vitality indicator of the mosses measured by Fv/Fm in relation to the control per season (%); and the QBR index total score (QBR Total – %) and its four components (TRC = total riparian cover, CS = cover structure, CQ = cover quality, and CA = channel alteration; ranging from 0–25%); and (ii) surveyed values of the streams, identified by the 32 landholders interviewed: number of use values (lost and current), non-use values (lost and current) and economic values (considered water for cattle, shading for cattle, irrigation, rural tourism, and hunting renting contracts). The values shown in the table are for Pearson correlation coefficients (R) and for the levels of significance (p). Correlations marked in bold are significant at p < 0.05.

N No. Use Values No. Non-Use Values No. Lost Use Values No. Lost Non-Use Values Economic Use Values
Pearson R p-level Pearson R p-level Pearson R p-level Pearson R p-level Pearson R p-level
Cu (µg/g DW) a 37 -0.2429 0.147 0.1318 0.432 -0.0952 0.575 -0.1276 0.452 -0.2419 0.149
Zn (µg/g DW) a 37 -0.2444 0.145 -0.0872 0.608 -0.0609 0.720 -0.0449 0.792 -0.1170 0.490
Mn (µg/g DW) a 35 -0.0520 0.767 0.0771 0.660 -0.2624 0.128 -0.2123 0.221 -0.2641 0.125
Fe (µg/g DW) a 36 -0.1427 0.406 0.0675 0.696 -0.0262 0.879 -0.0283 0.870 -0.1267 0.461
Pb (µg/g DW) a 35 -0.2830 0.100 -0.1297 0.458 -0.2365 0.171 -0.2016 0.245 -0.1842 0.289
Ni (µg/g DW) a 8 -0.4875 0.220 0.1712 0.685 0.1298 0.759 - - -0.6540 0.079
As (µg/g DW) a 37 -0.0720 0.672 0.2499 0.136 0.5110 0.001 0.1184 0.485 -0.0069 0.968
N (%/DW) a 37 0.0853 0.616 0.0615 0.718 -0.0495 0.771 -0.1729 0.306 0.0945 0.578
C:N a 37 0.1905 0.259 0.0552 0.745 0.0749 0.659 0.0139 0.935 0.1580 0.350
NH4+ (µg/g DW) b 9 -0.7610 0.017 -0.1783 0.646 -0.0775 0.843 - - -0.6675 0.049
Fv/Fm (%) a 35 0.0144 0.935 0.1557 0.372 -0.0516 0.768 0.0448 0.798 0.0361 0.837
QBR Total (%) c 36 0.3837 0.021 0.0683 0.692 0.3939 0.017 0.2512 0.139 0.4646 0.004
TRC (0-25%) c 36 0.5399 0.001 0.1542 0.369 0.3713 0.026 0.2706 0.110 0.6378 0.000
CS (0-25%) c 36 0.4466 0.006 0.1688 0.325 0.2408 0.157 0.0474 0.784 0.3849 0.020
CQ (0-25%) c 36 0.1077 0.532 0.0831 0.630 0.3275 0.051 0.1807 0.292 0.2366 0.165
CA (0-25%) c 36 -0.1375 0.424 -0.3043 0.071 0.0597 0.729 0.1574 0.359 -0.1129 0.512

a average values for the time period from September 2004 to June 2005.
b values assessed from March to June 2005.
c values assessed from March to June 2006.
Marked correlations in bold are significant at p < 0.05