- Forest manager conducted the plants / trees monitoring and make sure all the protected tree species, rare and endangered tree species, mother trees are not harvested.

- ARSB collaborated with Universti Putra Malyasia (UPM) and expert team to conduct plant survey in ARSB HS Petuang concession (Figure 14).

- Stripline sampling and permanent sample plot (PSP) were conducted and monitored in ARSB HS Petuang concession. The PSP was used to analyse frequency distribution of key dipterocarp species and tree growths.