Table 1.
General results of aerial surveys in the five sampling units distinguished in the Ulu Segama Malua Forest Reserves.
Table 2.
Location, main characteristics, orang-utan densities (with associated Coefficient of Variation) of all ground surveys conducted in the USM forests.
Table 3.
Percentage of utilization of the eight most common tree families and taxa used for nesting and percentage of tree abundance recorded in 69 botanical plots in three different areas: Malua, Segama and North Ulu Segama.
Table 4.
Orang-utan density estimates achieved during ground and aerial surveys over corresponding areas.
Table 5.
Number of orang-utans living in the USM forests estimated from the combination of ground and aerial surveys (See Figure 2 for the exact locations of the areas).
Figure 1.
Location of aerial and ground surveys in Ulu Segama Malua, Sabah, Malaysian Borneo.
Figure 2.
Orang-utan densities in the different areas of Ulu Segama Malua forests.