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Table 5 Summary of microplastic concentrations in Mediterranean seawater (MPs/km2; all surface water samples)

From: Microplastics in the Mediterranean marine environment: a combined bibliometric and systematic analysis to identify current trends and challenges

Country

Location

Maritime Area

MP concentration

Reference

Min

Max

Mean

   

MPs/km2

 

Bulgaria

Burgas Bay to Cape Kaliakra

Black Sea

11,400

191,000

46,200 ± 54,700

Berov & Klayn [20]

Croatia

Archipelago of the Zadar County

Northern Central Adriatic Sea

17,875

1,549,549

127,135 ± 294,847

Palatinus et al. [115]

France

Gulf of Lion

Western Mediterranean

6000

1,000,000

112,000

Schmidt et al. [135]

France

Gulf of Lion

North western Mediterranean

20,000

420,000

130,000

Faure et al. [69]

France

Bay of Calvi, Corsica

North Western Mediterranean

0

613,000

51,000

Collignon et al. [52]

Israel

Israeli south coast

Israeli Mediterranean

 

64,813

1,518,340

van der Hal et al. [150]

Italy

Province of Ascoli Piceno

Central Adriatic Sea

5

400

 

Capriotti et al. [36]

Italy

 

Ligurian and Tyrrhenian Sea

1286

3,666,898

233,927 ± 810,357

Caldwell et al. [31]

Italy

 

Ligurian and Tyrrhenian Sea

505

93,983

19,220

Caldwell et al. [30]

Italy

Tuscany

Ligurian Sea

3158

347,040

69,161 ± 83,244

Baini et al. [14]

Italy

Pelagos Sanctuary Protected Area

Ligurian and Sardinian Sea

 

4,830,000

 

Fossi et al. [72]

Slovenia

Piran Bay to Koper Bay

North Adriatic Sea

  

259,310 ± 57,096

Viršek et al. [153]

Slovenia

Trieste Bay

Northern Adriatic Sea

12,000

2,660,000

406,000

Gajst et al. [77]

Spain

Balearic Islands

Balearic sea

  

410,000 ± 30,000

Capo et al. [35]

Spain

Barcelona

Balearic sea

18,000

330,000

94,500

Camins et al. [32]

Spain

North Catalan coast & south-eastern coast of Spain

Western Mediterranean

9000

497,000

102,000 ± 90,000

de Haan et al. [58]

Spain

Menorca Channel

Balearic sea

  

133,517 - 336,131

Ruiz-Orejón et al. [129]

Spain

Balearic Islands

Balearic sea

  

875,466

Ruiz-Orejón et al. [128]

Turkey

Mersin Bay

Levantine Sea

198,198

1,427,027

539,189

Gündoğdu et al. [83]

Turkey

Mersin Bay

Levantine Sea

881,319

19,344,417

7,699,716

Gündoğdu et al. [83]

Turkey

Iskenderun and Mersin Bay

Levantine Sea

  

376,000

Gündoğd and Cevik [82]

Turkey

Iskenderun Bay

Levantine Sea

98,412

2,888,889

1,067,120

Gündoğdu [82]

Turkey

South-eastern coast of Turkey

North-eastern Mediterranean

16,339

520,213

140,418

Guven et al. [85]

Turkey

Sinop Sarikum Coast

Southern Black Sea

  

656,000

Oztekin and Bat [114]

 

Multiple locations

Adriatic and Western Mediterranean

 

4,520,000

400,000 740,000

Suaria et al. [141]

  

Adriatic and Western Mediterranean

  

1304,81 ± 609,426

Suaria et al. [141]

  

Mediterranean-wide

0

479,455

48,789

Eriksen et al. [65]

  

North-western Mediterranean

0

892,000

116,000

Collignon et al. [51]