Table 1: Some characteristics of the streams included in the study.

Study area*UTM**Altitude (m) Temp. (°C)pHDepth (cm)Width (m)Substrate typeHuman impact***

RV674195/10320325257.3906Stony and sandyIMP
Ca659722/1073748025.37405StonyIMP
T-I657039/10394475276.8326.5StonyIMP
T-II657299/1035468126.57306StonyIMP
T-III659162/099949164286.9315StonyNon-IMP
T-IV659730/09952319528.27.2304StonyNon-IMP
Tbz644956/08709140277.1909StonyNon-IMP
Ch605058/08218590267324.3StonyNon-IMP
EPb601471/08377330267.3275.2StonyIMP
EPa602116/08247749257.2314.1StonyNon-IMP
Q602108/07921628256.7403.7Stony and sandyNon-IMP
SF609060/0771454525.87427.9StonyNon-IMP
M609754/0550392524.76.8284.4StonyIMP

Río Verde (RV), Estero Camarones (Ca), Estero Tachina I (T-I), Estero Tachina II (T-II), Estero Tachina III (T-III), Estero Tachina IV (T-IV), Estero Tabiazo (Tbz), Estero Chipa (Ch), Estero Plátano Bajo (EPb), Estero Plátano Alto (EPa), Estero Quinge (Q), San Francisco (SF), and Estero Mompiche (M). **Universal Transverse Mercator Geographic Coordinate System. ***IMP: human impact present; Non-IMP: human impact not present.