Table 1.
Measured MP abundances in streambed sediments for different fluvial systems.
| River | Particle abundance (dry weight) [kg−1] | Detected particle size [μm] | Reference |
|---|---|---|---|
| Rhine River (Germany) | 228–3,763 | 63–5,000 | Klein et al.22 |
| Main River (Germany) | 786–1,368 | 63–5,000 | Klein et al.22 |
| Lake Ontario tributaries (Canada) |
average 760 max: 28,000 |
250–5,000 | Ballent et al.24 |
| River Thames (UK) | 185–660 | 1,000–4,000 | Horton et al.23 |
| Beijiang River (China) | 178–554 | ?-5,000 | Wang et al.25 |
| Mersey/Irwell River (UK) | 300–75,000 | 63–5,000 | Hurley et al.43 |