TABLE I Prevalence of Marine Debris in Coastal Environments

Location

Study Period

Number of Items (range)

Per Unit Length of Coastline

items • km–1

NP, Alaska

1972–1974, 1983

390

(193–589)

WP, Indonesia

1985, 1995

6,452

(100–29,000)

NA, Gulf of Maine

1987

 

 

MED, Israel

1988–1989

7,354

(5,834–9,176)

MED, N/E

1988–1989

32,420

(6,000–231,000)

MED, Israel

1990–1991

10,247

(5,120–27,774)

CAR, Panama

1990–1991

4

(2–2)

SP, Ducie Atoll

1991

395

 

CAR, S–E

1991–1992

 

(1,900–11,200)

IND, Australia

1991–2000

 

 

CAR, Curaçao

1992–1993

48,500

(8,220–88,840)

SA, Scotia Arc Isl.

1993–1997

146

(0–285)

IO, South Africa

1994–1995

37,400

(19,600–72,500)

SA, Brazil

1995

7,400

(300–60700)

SP, N Australia, GBR

1996

625

(62–1,715)

IO, N Australia

1996–1997

92

(52 – 132)

NA, Scotland

1996–1998

53

(5–235)

NA, Wales

1998–2000

2,274

(170–16,030)

SA, Brazil

2001–2004

9

(6–12)

IO, Gulf of Oman

2002

1,790

(430–6,010)

NA + SA

2002

1,080

(0–8,800)

MED, Balearic Island

2005

34,640

(30,500–39,750)

Per Unit Area of Shore

items • km–2

SP, Pitcairn Isl.

1991–1993

230,000

(120,000–350,000)

NP, Indonesia

1994

27,1000,000

(700,000–53,400,000)

SP, E Australia

1994

44,800

(29,400–59,100)

Red Sea, Jordan

1994–1995

4,026,100

(2,436,800–6,171,000)

SP, E Australia

2000

133,200

(34,000–298,000)

NP, Sea of Japan

2000

 

(207,000–3,410,000)

SA, Argentina

2000

62,462

(9,462–150,900)

NP, Mexico

2000

1,525,000

(1,238,800–1,829,700)

SA, Brazil

2001

137,580

(33,700–233,300)

NA, Scotland

2001–2003

989,189

(160,000–3,060,000)

NOTE: Mean values, when replicate sampling is carried out, are given with range in parentheses. Studies were separated according to sampling methods: per unit shoreline (km–1) or unit area (km–2). Region Legend: NA = North Atlantic; SA = South Atlantic, NP = North Pacific; WP = Western Pacific; SP = South Pacific; IO = Indian; CAR = Caribbean; MED = Mediterranean.



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