Table 4

Density of gibbons based on fig tree density (adapted from Mather, 1992) with an estimated sustainable group size and number of groups that can be supported on Mintin Island.

Site

Figs/ha

Group Size

Groups/km2


Sepilok, Sabah

0

1.5

2.7

Tanjung Puting, Kalimantan

1.0

2.9

3.0

Siberut, Mentawi Islands

1.3

2.1

3.7

Sungai Sakam, West Malaysia

2.0

2.5

3.3

Danum, Sabah

2.3

2.1

3.5

Mintin Island, Kalimantan

3.0

1.5 – 3.5 (estimated)

2.5 – 4.5 (estimated)

Pasoh, West Malaysia

4.0

2.1

4.0

Barito Ulu, Kalimantan

6.0

3.6

2.8

Kutai, East Kalimantan

6.6

3.6

4.0

Kuala Lompat, West Malaysia

8.0

4.1

4.0

Ketambe, North Sumatera

27.0

4.3

4.5


Cheyne BMC Ecology 2006 6:5   doi:10.1186/1472-6785-6-5

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