Ecosystems of the sandstone region incl. sand-belt (SE of Melb.)

Boon-wurrung Country ecosystems, in the sandstone region including the sand-belt, "Ngaruk Willum" clan estate NW. part and "Yalukit Willum" clan estate NE. part, incl. sandstone region derived soils of swamp deposits;
(also in recent ca. 180 years since 1836 aggressive colonisation came and then called this wider region the Port Phillip colony of NSW, then called the region SE. Melbourne, Vic. from ca. 1860; geologically called the Brighton Coastal Plain; also called the Sandringham or Cheltenham flora and so on since the 1900s) ... .
From the Yarra river SE. as far as Carrum Carrum, originally, swamp lands, inland as far as, mostly the south side of Gardiners creek and NW of Dandenong ?sandstone soils and ecosystems across some of these N & S eastern parts, patchily interspersed with non-sandstone soils with denser, mesic, forests, creeks and hills.