... The coast of Chile is a highly productive system that belongs to the Humboldt Current ecosystem (HCE) Gutiérrez et al., 2016). The subtidal rocky bottoms are frequently dominated by the kelp species, such as Macrocystis pyrifera, Lessonia trabeculata, and Lessonia berteroana (Laminariales; Phaeophyceae) (Stotz et al., 2016), which support conspicuous assemblages conformed for different species of invertebrates, fishes, and other algae (Steneck et al., 2002;Almanza et al., 2012;Uribe et al., 2015;Miller et al., 2018;Riquelme-Pérez et al., (www.ine.cl), developing a variety of interventions, such as those related to the mining industry (loading of mineral concentrates of Cu, Zn, Pb, and Mg), port operations, desalination plants, artisanal fisheries, artificial touristic beaches, and sewage discharge, among others Contreras, 2019). ...