Macrobenthos and multi-molecular markers as indicators of environmental contamination in a South American port (Mar del Plata, Southwest Atlantic)

•We evaluate the ecological status of four benthic sites in the port.•We use biological and chemical indicators located along a presumed environmental gradient.•High disturbance is reflected by low diversity and high AMBI values in inner sites.•Coprostanol seemed to derive from sea lions rather than...

Ausführliche Beschreibung