In 1997 it was also found that several NCF employees had been involved in illegal logging within the sanctuary .
The NCF agricultural initiatives had the perverse effect of attracting immigrants from poorer areas , and thus increasing the pressure from illegal hunting and logging .
In 1997 NCF was also found that several NCF employees had been involved in illegal logging within the sanctuary .
The NCF agricultural initiatives had the perverse effect of attracting immigrants from poorer areas , and thus increasing the pressure from illegal hunting and logging .