16 April 2024

Ribeira de Gondim

Arouca

Location coordinates: 40.931531 -8.254576

Group A

Average waste per m² in all riverside zones

0.67

Foreshore (Average waste per m²)

Backshore (Average waste per m²)

Riverbank crown (Average waste per m²)

Group B

Total number of waste items found (including single-use plastic)

145

Weight of all waste including plastic in kg

3.2

Group C

Flow velocity of the river (meters per second)

0.74

River width in m

2.0

Total number of floating waste

Larger Microplastics per 1,000 liters of river water

Larger Microplastics per m² of the riverbank

Escola Secundária de Arouca - 10ºB

VERPASSE NICHTS RUND UM DIE AKTIONEN DER PLASTIC PIRATES!