1390-7697 1390-7697 S1390-76972023000200011 10.26423/rctu.v10i2.743 Ecuador 00 12 2023 00 12 2023 10 2 11 22

2017 118 227-38 2016 207 11-8 2018 1-90 2012 106 48-55 2008 394 237-43 1997 29 759-62 2000 32 24-32 2015 190 516-21 2019 2018 25 34332-42 2021 96 2 2 145-52 2013 2022 1-144 2018 2017 2018 47 2 2 21-7 2012 10 417-30 2018 2018 72-8 2019 22 1 1 17-23 2019 1-23 2018 2017 2019 2017 2017 1-50 MINISTERIO DEL AMBIENTE Y AGUA DE ECUADOR 2020 1-79