In natural ecosystems, the acidification of soils is a gradual process.
Australia’s soils are old and highly weathered and can be naturally quite acidic, both at the surface and deep in the profile; surface and subsoil acidity occurs in all Australian states and territories and affects an area up to nine times that affected by dryland ...
This indicator analyzes and reports the area of forest affected by abiotic agents (e.g. fire, wind, climate change, land clearance, salinisation, mining, drought, river regulation) beyond reference conditions.