Patrulha Ribers

31 January 2023

rio Ferreira

Aldeia de Couce

Location coordinates: 41.14605416079292 -8.486341377730461

Group A

Average waste per m² in all riverside zones

1.2

Foreshore (Average waste per m²)

2.6

Backshore (Average waste per m²)

0.7

Riverbank crown (Average waste per m²)

0.4

Group B

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

188

Weight of all waste including plastic in kg

4.11

Group C

Flow velocity of the river (meters per second)

0.53

River width in m

20

Total number of floating waste

1

Larger Microplastics per 1,000 liters of river water

-

Larger Microplastics per m² of the riverbank

-