Year

Mangrove area (hectare)

Reductiion (hectares)

Reductiion (%)

1961

367,900

-

-

1975

359,959

7,941

15

1979

287,308

72,651

22

1985

268,693

18,615

27

1986

196,428

100,010

47

1993

168,683

27,745

54

1996

167,582

1,101

54