Network Transect Sites Bow River, Canada Yakima River, USA Rio Chama, USA Rio Jemez, USA Gila River, USA San Carlos River, Costa Rica Tempisque-Bebedero, Costa Rica Quebrada Grande, Costa Rica* Rio Frio River, Colombia Guayllabamba and Coca Rivers, Ecuador* Tomebamba Basin, Ecuador* Vilcanota-Urubamba River Basin, Peru* Rio Atuel-Chadileuvú, Argentina* Jacaré-Pepira River, Brazil Corumbatai River, Brazil Rio Laja, Chile* Nevados del Chillán, Chile*
