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Tuesday, May 03, 2005

The impacts of farming on Australia's flora and fauna
(1.) Land being cleared in southern Australia, with a tree burning in the foreground.

(2.) A forest being cleared for cattle farming in southern Australia.

(3.) Cleared land used for wheat farming in Western Australia.

(4.) Cleared land suffering from dieback as a result of salinity and/or phythoptera (a fungal disease which causes root rot).

(5.) Natural cycles of fire have been disrupted by farming and land clearance. Some plant species struggle to re-establish with more frequent or erratic fires. The seed banks of species which require hot fires to germinate or long periods between fires cannot be replenished if fires are too frequent and/or mild.