STIF meaning in Community ?

The Sydney Turpentine-Ironbark Forest (STIF) is one of six main indigenous forest communities of Sydney, New South Wales, Australia, that is typically in the Inner West region of Sydney. It is also among the three of these plant communities which have been classified as Endangered, under the New South Wales government's Threatened Species Conservation Act 1995, with only around 0.5% of its original pre-settlement range remaining. As of 26 August 2005, the Australian Government reclassified Sydney Turpentine-Ironbark Forest as a "Critically Endangered Ecological Community", under the Commonwealth's Environment Protection and Biodiversity Conservation Act 1999.