Degradation of the Chuchuchir micro-watershed (Ecuador): Assessment of ecological quality using the CERA-S protocol. Revista UTCiencia: i-ISSN: 1390-6909. e-ISSN: 2602-8263, [S. l.], v. 12, n. 3, p. 161–180, 2025. DOI: 10.61236/utciencia.v12i3.1158. Disponível em: https://investigacion.utc.edu.ec/index.php/utciencia/article/view/1158. Acesso em: 5 jun. 2026.