Argentina 10 harbor Animals 4 Anthropic activity 4 Atlantic Ocean 4 Beaches 4 Environmental Monitoring 4 Erosion 4 Gastropoda 4 Necochea 4 Protection 4 Quequen Grande Estuary 4 Quequén port 4 Water Pollutants, Chemical 4 beach erosion 4 cliff 4 coastal engineering 4 coastal protection 4 enzyme activity 4 estuarine dynamics 4 flooding 4 geoaccumulation 4 human activity 4 imposex 4 marine pollution 4 oxidative stress 4 pollution effect 4 sand 4 sedimentation 4 Buenos Aires [Argentina] 3