Chaves-Ulloa, Ramsa, Gerardo Umaña-Villalobos, and Monika Springer. 2014. “Downstream Effects of Hydropower Production on Aquatic Macroinvertebrate Assemblages in Two Rivers in Costa Rica”. Revista De Biología Tropical 62 (S2):179–201. https://doi.org/10.15517/rbt.v62i0.15787.