Table 1.
The abundance and distribution characteristics of MPs in soils in some typical areas.
| Country or Region | Soil Type | Particle Size (mm) | Sampling Depth (cm) | Polymer Type | Form | Abundance | Reference |
|---|---|---|---|---|---|---|---|
| Australia | Industrial soil | 0.05–1 | — | PE, PVC | — | 300–67,500 mg kg−1 | [101] |
| Switzerland | Floodplain soil | <2 | 0–5 | PE, PS, PVC | particle | 55.5 mg kg−1 | [102] |
| Peking | Vegetable field | <5 | 0–20 | PE, PP | debris, fiber, film, particle, foam | 160–5220 items kg−1 | [103] |
| Mexico | Vegetable field | <5 | 0–20 | PE | particle | 870 ± 190 particles kg−1 | [104] |
| Germany | Cropland | 1–5 | 0–5 | PE, PP, PS | fragment, fiber, film | 0–1.25 MPPs per kilogram | [53] |
| Canada | Cropland | 0.11 | 0–15 | PE, PP, PET | fiber, fragment | 18–541 MP kg−1 | [75] |
| Iran | Cropland | 0.04–0.74 | 0–10 | — | debris, fiber | 67–400 particles kg−1 | [105] |
| Spain | Cropland | <5 | 0–10 | PE | particle | 2000 particles kg−1 | [106] |
| Pakistan | Cropland | 0.05–5 | 0–10 | — | debris, fiber, film, particle, foam | 2200–6875 MPs kg−1 | [107] |
| Chile | Cropland | <2 | 0–25 | PES, PVC | fiber, film | 600–10,400 particles g−1 | [108] |
| Denmark | Cropland | 0.02–0.5 | 0–10 | PE, PP, PA | — | 82,000–236,000 no. kg−1 | [109] |
| Yunnan | Cropland | 0.05–1 | 0–10 | PE | fragment, fiber, film | 7100–42,960 particles kg−1 | [110] |
| Korea | Cropland | 0.1–2 | 0–5 | PE, PS, PP, PET | fiber, fragment, film | 10–7630 items kg−1 | [111] |
| Wuhan | Cropland | 0.02–5 | 0–5 | PA, PP | fiber, fragment, particle, foam | 320–12,560 items kg−1 | [112] |
| Shaanxi | Cropland | <0.49 | 0–10 | PE, PP, PVC, PS, PET | fiber, fragment, film, particle | 1430–3410 items kg−1 | [113] |
| Xinjiang | Cropland | 0.15–2 | 0–0.2 | PE | fiber, fragment | 91.2–308.5 mg kg−1 | [51] |