However, the ASGM areas themselves experience the most significant environmental degradation and the highest levels of environmental mercury (see, for example, Taylor et al. 2005; Limbong et al. 2003; Appleton et al. 1999). As has been documented elsewhere, ASGM is common in Indonesia. Veiga et al., for instance, estimate that more than one-tenth of global mercury releases from ASGM originate in Indonesia (Veiga et al. 2006).