ARROYO QUIÑONEZ, V.M. , CANCHINGRE BONE, M.E. , TENORIO SEGURA, S.E. and ESPINOZA ECHEVERRÍA, E.E. 2023. Challenges of the black communities; the conservation of the Santiago Cayapas river commune. TECHNO REVIEW. International Technology, Science and Society Review /Revista Internacional de Tecnología, Ciencia y Sociedad. 15, 1 (Sep. 2023), 227–236. DOI:https://doi.org/10.37467/revtechno.v15.5112.