Treasurer Troy Buswell said spending will be signifcantly tightened in next year's budget while an exact forecast on how the global financial turmoil will affect the state's resource royalties revenue stream is not yet known.

Treasurer Troy Buswell said spending will be signifcantly tightened in next year's budget while an exact forecast on how the global financial turmoil will affect the state's resource royalties revenue stream is not yet known.