 In Indonesia , logging and the clearing of land for agriculture have triggered large forest fires , first in between 1982 and 1983 when 27 @,@ 000 km2 ( 10 @,@ 000 sq mi ) burned in Kalimantan , and then again between 1997 and 1998 when 23 @,@ 750 km2 ( 9 @,@ 170 sq mi ) burned in Kalimantan and Sumatra . These fires occurred within the native range of slow loris populations . 
