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Thresholds and transitions between states are well-accepted components of the models of range dynamics. By definition, they represent a change from one state to another that is intransient and unlikely to reverse within an acceptable management timeframe or without significant management input. While more obvious transitions include those gross changes that occurred when livestock were introduced to Australian rangelands, transitions still occur under contemporary pastoralism. We used a state-wide monitoring data set to examine transitions that have occurred in the Western Australian pastoral rangelands over approximately the last 15 years. ...