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Message: <blockquote data-quote="Chosun Juan" data-source="post: 3898710" data-attributes="member: 92780">As elsewhere in the world it all depends on soil types, topography, and rainfall /prevailing weather (more closely linked to vegetation and in-soil hydrology than is widely understood) and the interaction of grazing animals and carnivores.Apart from the heavily forested wet mountainous regions, and the rocky thinner soiled dry schlerophyll ridgetops, large areas of the country were grassy box-gum woodlands with attendent ephemeral wetlands and creek and river netkworks (inland side of dividing mountain ranges which has been mostly cleared for agricultural land, and on the coastal plains which has mostly been cleared for what are now cities).Modern 'Western' agricultural practices that were introduced here have totally decimated fertility, topsoil volumes and native grasslands. 'Bush' is now much more prone to invade other ecotypes because the land has been drained and dried so much.Chosun   :gh:</blockquote>