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Table 1. Densities of ‘anthropogenic marine debris’ reported from beaches throughout the world. Adapted from Bravo et al. (2009).

Country Number of surveyed beaches Average densities, items m-2 Maximum densities, items m-2 Reference
a These studies counted individual pellets of fragmented Styrofoam, an item usually not counted in most other studies.
Australia 1 0.5 0.5 Foster-Smith et al., 2007
Australia 6 0.1 0.3 Cunningham and Wilson (2003)
Scotland 16 0.4 2.3 Velander and Mocogni (1999)
Brazil 2 0.7 2.1 Araújo et al. (2006)
Brazil 10 0.14 ca.0.5 Oigman-Pszczol and Creed (2007)
Chile 43 1.8 82.7 Bravo et al. (2009)
Indonesia 21 4.6 - Evans et al. (1995)
Ireland 1 0.2 - Benton (1995)
Israel 6 - 0.9 Bowman et al. (1998)
Japana 34 45 280,000 Fujieda and Sasaki (2005)
Japana 18 3.4 2,200 Kusui and Noda (2003)
Jordan 3 4 7.4 Abu-Hilal and Al-Najjar (2004)
Oman 11 ca. 0.4 ca. 0.9 Claereboudt (2004)
Panama 19 3.6 - Garrity and Levings (1993)
Pitcairn Islands 2 0.2 0.4 Benton (1995)
Russia 8 0.2 16.7 Kusui and Noda (2003)

Source: GESAMP,  Proceedings of the GESAMP International Workshop on micro- plastic particles as a vector in transporting persistent, bio- accumulating and toxic substances in the oceans. 28-30th June 2010, UNESCO-IOC, 2.5. Sources and inputs of plastic waste to the marine environment, p. 16

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Other Figures & Tables on this publication:

Table 1. Densities of ‘anthropogenic marine debris’ reported from beaches throughout the world. Adapted from Bravo et al. (2009).

Table 2. ‘Top ten’ marine debris items; adapted from UNEP (2009a), compiled from annual ICC data reports, Center for Marine Conservation/Ocean Conservancy (1989- 2007).

Table 3. MARPOL 73/78, ANNEX V: summary of proposed amendments and permitted discharges.

Table 4. Timing for the first Regular Process assessment cycle (IOC-UNESCO,2009)

Fig. 2. Ocean regions considered in the Assessment of Assessments