Table 2.

Densities and proportion of plastics among benthic marine litter worldwide (per number of items). M, Mediterranean Sea; B, Baltic Sea; NA, North Atlantic; NP, northern Pacific Ocean; WP, western Pacific Ocean; T, trawling; PT, pole trawling; SA, South Atlantic.

regionseamethoditem Ha–1plastic (%)references
NABay of BiscayT1.42 ± 0.2562.2Galgani et al. (1995a)
MNW MediterraneanT19.35 ± 6.3377.1Galgani et al. (1995b)
BBaltic SeaT1.26 ± 0.8235.7Galgani et al. (2000)
NANorth SeaT1.56 ± 0.3748.3Galgani et al. (2000)
NAChannel EastT1.176 ± 0.06784.6Galgani et al. (2000)
NABay of SeineT1.72 ± 0.05889Galgani et al. (2000)
NACeltic SeaT5.28 ± 2.4729.5aGalgani et al. (2000)
SARio de la PlataT0–15.0974Acha et al. (2003)
MGreece, 59 sitesT14955.5Katsanevakis & Katsarou (2004)
MGreece, Patras gulfT0.89–2.4079–83Stefatos et al. (1999)
MW & S GreeceT0.72–4.3755.9Koutsodendris et al. (2008)
MGulf of LionT1.43 ± 0.1970.5Galgani et al. (2000)
MEast CorsicaT2.29 ± 0.7245.8Galgani et al. (2000)
MAdriatic SeaT3.78 ± 2.5169.5Galgani et al. (2000)
MSicily/Tunisia channelT4.0175Cannizarro et al. (1995)
MOriental basinP T5.85–161.9837Galil et al. (1995)
NPKodiak Island, AlaskaT0.11–1.4747–59Hess et al. (1999)
NPOregon CoastT1.4926aJune (1990)
NPBering SeaT0.075–0.5127June (1990)
NPNorton SoundT2.4949.0June (1990)
WPTokyo BayT2.70–5.5040.1–41.6Kanehiro et al. (1995)
WPTokyo BayT1.85–3.3848.3–58.9Kuriyama et al. (2003)
WPEastern China SeaT<5Lee et al. (2006)
WPSouth Sea of KoreaT<10Lee et al. (2006)
  • afishing area.