Escuela Superior Politecnica del Litoral

Fossil denticles reveal how ocean productivity shapes shark baselines and recovery potential

Shark populations on coral reefs have declined globally, but few baselines exist to quantify natural variability before human impact. Using fossil dermal denticles preserved in reef sediments, we reconstructed shark communities across the Isthmus of Panama before substantial expl...

Assessment of vulnerability to groundwater contamination in the Santa Rosa River basin, Ecuador

Groundwater is a vital resource that supplies nearly half of the world’s population and sustains ecosystem integrity. In the Santa Rosa River basin (SW Ecuador), groundwater plays an essential role due to the variable quality of surface water resources. This study assessed ground...

Perceived risks in the acceptance of e-commerce: evidence from Costa Rica

This study examines perceived risks associated with consumer acceptance of e-commerce in Costa Rica, where digital transactions have expanded rapidly but face barriers related to trust and technological reliability. Despite extensive research on e-commerce adoption, limited atten...