Table 2.
Partly aggregated Baltic Sea beach monitoring data. The locations are indicated in Fig. 4
| Sampling spot | Nien-hagen | Kägsdorf | Warne-münde | Warne-münde | Hohe Düne | Hohe Düne | Markgra-fenheide | Darss |
|---|---|---|---|---|---|---|---|---|
| Sampling method | sieve | sieve | sieve | bare eye | sieve | bare eye | sieve | sieve |
| Number of samplings | 1 | 4 | 7 | 4 | 7 | 3 | 1 | 3 |
| Water level (above MWL) | 26 cm | 16– 41 cm | 15–95 cm | 153 cm | 15–95 cm | 153 cm | 26 cm | 14–24 cm |
| OSPAR item names | % (items/m2) | |||||||
|---|---|---|---|---|---|---|---|---|
| Cigarette butts and filters | 66.7 (0.2) | 11.6 (0.1) | 56.8 (5.2) | 37.6 (17.4) | 17.3 (1.5) | 14 (2.5) | 8.3 (0.1) | 22.2 (0.1) |
| Plastic pieces 5–25 mm | 33.3 (0.1) | 4.7 (0.05) | 5 (0.44) | 0.3 (0.15) | 17.6 (1.5) | 20.8 (3.8) | 16.7 (0.2) | 0 (0) |
| Plastic pieces 25–500 mm | 0 (0) | 0 (0) | 1.6 (0.14) | 0.7 (0.33) | 9.7 (0.84) | 30 (5.43) | 0 (0) | 0 (0) |
| Fireworks plastic pieces | 0 (0) | 0 (0) | 6.4 (0.59) | 21.2 (9.8) | 1.9 (0.16) | 0.2 (0.03) | 0 (0) | 0 (0) |
| Polystyrene pieces 25–500 mm | 0 (0) | 0 (0) | 0.2 (0.01) | 0.5 (0.25) | 0 (0) | 0 (0) | 8.3 (0.1) | 0 (0) |
| Plastic pieces <5 mm | 0 (0) | 2.3 (0.03) | 0.2 (0.01) | 0.2 (0.08) | 7.6 (0.66) | 0 (0) | 0 (0) | 0 (0) |
| Industrial pellets | 0 (0) | 2.3 (0.03) | 1.7 (0.16) | 0 (0) | 0.3 (0.03) | 23.5 (4.3) | 8.3 (0.1) | 0 (0) |
| Crisp packets/sweet wrappers | 0 (0) | 0 (0) | 1.2 (0.11) | 1.6 (0.75) | 3.3 (0.3) | 3.5 (0.6) | 8.3 (0.1) | 0 (0) |
| Bags incl. Pieces (all) | 0 (0) | 2.3 (0.03) | 0.5 (0.04) | 0.9 (0.43) | 3 (0.26) | 0.2 (0.03) | 8.3 (0.1) | 0 (0) |
| Foam sponge | 0 (0) | 0 (0) | 0.5 (0.04) | 0 (0) | 0.3 (0.03) | 0.7 (0.13) | 0 (0) | 0 (0) |
| Plastic caps and lids (all) | 0 (0) | 2.3 (0.03) | 0.5 (0.04) | 2.4 (1.13) | 3 (0.26) | 1.1 (0.2) | 0 (0) | 0 (0) |
| Foil wrappers, aluminum foil | 0 (0) | 0 (0) | 0.8 (0.07) | 0 (0) | 0 (0) | 0.7 (0.13) | 0 (0) | 0 (0) |
| String & cord (diam. <10 mm) | 0 (0) | 2.3 (0.03) | 0.9 (0.09) | 0.1 (0.03) | 5.2 (0.45) | 0.6 (0.1) | 41.7 (0.5) | 27.8 (0.17) |
| Food contaimers e.g., fast food | 0 (0) | 0 (0) | 0 (0) | 0.2 (0.08) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Bottle caps, lids & pull tabs | 0 (0) | 2.3 (0.03) | 3.3 (0.3) | 0.4 (0.18) | 0.6 (0.05) | 0.2 (0.03) | 0 (0) | 0 (0) |
| Lolly sticks | 0 (0) | 0 (0) | 0.3 (0.03) | 0.5 (0.23) | 0.3 (0.03) | 0 (0) | 0 (0) | 0 (0) |
| Cups and cup lids | 0 (0) | 0 (0) | 0 (0) | 0.3 (0.15) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Sum visible plastics/m² | 0.3 | 0.3 | 7.3 | 30.9 | 6.1 | 17.3 | 1.2 | 0.3 |